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s444417 2020-03-22 02:01:57 +01:00
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6
kelner/.idea/inspectionProfiles/profiles_settings.xml Normal file
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<option name="USE_PROJECT_PROFILE" value="false" />
<version value="1.0" />
</settings>
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<content url="file://$MODULE_DIR$">
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kelner/.idea/misc.xml Normal file
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kelner/main.py Normal file
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import pygame
#initialize the pygame
pygame.init()
#create the screen
screen = pygame.display.set_mode((1000,1000))
#caption
pygame.display.set_caption("Bardzo mądry kelner")
#grid
gridImg = pygame.image.load("20x20grid.png")
gridX = 0
gridY = 0
#weiter
waiterImg = pygame.image.load("waiter.png")
waiterX = 10
waiterY = 1
waiterX_change = 0
waiterY_change = 0
def grid():
screen.blit(gridImg, (gridX,gridY))
def waiter(x, y):
screen.blit(waiterImg, (x,y))
#loop
running = True
while running:
# RGB
screen.fill((255, 255, 255))
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
waiterX_change = -50
if event.key == pygame.K_RIGHT:
waiterX_change = 50
if event.key == pygame.K_UP:
waiterY_change = -50
if event.key == pygame.K_DOWN:
waiterY_change = 50
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
waiterX_change = 0
if event.key == pygame.K_UP or event.key == pygame.K_DOWN:
waiterY_change = 0
grid()
waiterX += waiterX_change
waiterY += waiterY_change
waiter(waiterX, waiterY)
pygame.display.update()

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kelner/venv/Include/site/python3.7/pygame/_camera.h Normal file
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/*
pygame - Python Game Library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _CAMERA_H
#define _CAMERA_H
#include "_pygame.h"
#include "camera.h"
#endif

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kelner/venv/Include/site/python3.7/pygame/_pygame.h Normal file
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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef _PYGAME_H
#define _PYGAME_H
/** This header file includes all the definitions for the
** base pygame extensions. This header only requires
** SDL and Python includes. The reason for functions
** prototyped with #define's is to allow for maximum
** python portability. It also uses python as the
** runtime linker, which allows for late binding. For more
** information on this style of development, read the Python
** docs on this subject.
** http://www.python.org/doc/current/ext/using-cobjects.html
**
** If using this to build your own derived extensions,
** you'll see that the functions available here are mainly
** used to help convert between python objects and SDL objects.
** Since this library doesn't add a lot of functionality to
** the SDL libarary, it doesn't need to offer a lot either.
**
** When initializing your extension module, you must manually
** import the modules you want to use. (this is the part about
** using python as the runtime linker). Each module has its
** own import_xxx() routine. You need to perform this import
** after you have initialized your own module, and before
** you call any routines from that module. Since every module
** in pygame does this, there are plenty of examples.
**
** The base module does include some useful conversion routines
** that you are free to use in your own extension.
**
** When making changes, it is very important to keep the
** FIRSTSLOT and NUMSLOT constants up to date for each
** section. Also be sure not to overlap any of the slots.
** When you do make a mistake with this, it will result
** is a dereferenced NULL pointer that is easier to diagnose
** than it could be :]
**/
#if defined(HAVE_SNPRINTF) /* defined in python.h (pyerrors.h) and SDL.h \
(SDL_config.h) */
#undef HAVE_SNPRINTF /* remove GCC redefine warning */
#endif
// This must be before all else
#if defined(__SYMBIAN32__) && defined(OPENC)
#include <sys/types.h>
#if defined(__WINS__)
void *
_alloca(size_t size);
#define alloca _alloca
#endif
#endif
#define PG_STRINGIZE_HELPER(x) #x
#define PG_STRINGIZE(x) PG_STRINGIZE_HELPER(x)
#define PG_WARN(desc) message(__FILE__ "(" PG_STRINGIZE(__LINE__) "): WARNING: " #desc)
/* This is unconditionally defined in Python.h */
#if defined(_POSIX_C_SOURCE)
#undef _POSIX_C_SOURCE
#endif
#include <Python.h>
/* the version macros are defined since version 1.9.5 */
#define PG_MAJOR_VERSION 1
#define PG_MINOR_VERSION 9
#define PG_PATCH_VERSION 6
#define PG_VERSIONNUM(MAJOR, MINOR, PATCH) (1000*(MAJOR) + 100*(MINOR) + (PATCH))
#define PG_VERSION_ATLEAST(MAJOR, MINOR, PATCH) \
(PG_VERSIONNUM(PG_MAJOR_VERSION, PG_MINOR_VERSION, PG_PATCH_VERSION) >= \
PG_VERSIONNUM(MAJOR, MINOR, PATCH))
/* Cobjects vanish in Python 3.2; so we will code as though we use capsules */
#if defined(Py_CAPSULE_H)
#define PG_HAVE_CAPSULE 1
#else
#define PG_HAVE_CAPSULE 0
#endif
#if defined(Py_COBJECT_H)
#define PG_HAVE_COBJECT 1
#else
#define PG_HAVE_COBJECT 0
#endif
#if !PG_HAVE_CAPSULE
#define PyCapsule_New(ptr, n, dfn) PyCObject_FromVoidPtr(ptr, dfn)
#define PyCapsule_GetPointer(obj, n) PyCObject_AsVoidPtr(obj)
#define PyCapsule_CheckExact(obj) PyCObject_Check(obj)
#endif
/* Pygame uses Py_buffer (PEP 3118) to exchange array information internally;
* define here as needed.
*/
#if !defined(PyBUF_SIMPLE)
typedef struct bufferinfo {
void *buf;
PyObject *obj;
Py_ssize_t len;
Py_ssize_t itemsize;
int readonly;
int ndim;
char *format;
Py_ssize_t *shape;
Py_ssize_t *strides;
Py_ssize_t *suboffsets;
void *internal;
} Py_buffer;
/* Flags for getting buffers */
#define PyBUF_SIMPLE 0
#define PyBUF_WRITABLE 0x0001
/* we used to include an E, backwards compatible alias */
#define PyBUF_WRITEABLE PyBUF_WRITABLE
#define PyBUF_FORMAT 0x0004
#define PyBUF_ND 0x0008
#define PyBUF_STRIDES (0x0010 | PyBUF_ND)
#define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
#define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
#define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
#define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
#define PyBUF_CONTIG (PyBUF_ND | PyBUF_WRITABLE)
#define PyBUF_CONTIG_RO (PyBUF_ND)
#define PyBUF_STRIDED (PyBUF_STRIDES | PyBUF_WRITABLE)
#define PyBUF_STRIDED_RO (PyBUF_STRIDES)
#define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_WRITABLE | PyBUF_FORMAT)
#define PyBUF_RECORDS_RO (PyBUF_STRIDES | PyBUF_FORMAT)
#define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_WRITABLE | PyBUF_FORMAT)
#define PyBUF_FULL_RO (PyBUF_INDIRECT | PyBUF_FORMAT)
#define PyBUF_READ 0x100
#define PyBUF_WRITE 0x200
#define PyBUF_SHADOW 0x400
typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
typedef void (*releasebufferproc)(Py_buffer *);
#endif /* #if !defined(PyBUF_SIMPLE) */
/* Flag indicating a pg_buffer; used for assertions within callbacks */
#ifndef NDEBUG
#define PyBUF_PYGAME 0x4000
#endif
#define PyBUF_HAS_FLAG(f, F) (((f) & (F)) == (F))
/* Array information exchange struct C type; inherits from Py_buffer
*
* Pygame uses its own Py_buffer derived C struct as an internal representation
* of an imported array buffer. The extended Py_buffer allows for a
* per-instance release callback,
*/
typedef void (*pybuffer_releaseproc)(Py_buffer *);
typedef struct pg_bufferinfo_s {
Py_buffer view;
PyObject *consumer; /* Input: Borrowed reference */
pybuffer_releaseproc release_buffer;
} pg_buffer;
/* Operating system specific adjustments
*/
// No signal()
#if defined(__SYMBIAN32__) && defined(HAVE_SIGNAL_H)
#undef HAVE_SIGNAL_H
#endif
#if defined(HAVE_SNPRINTF)
#undef HAVE_SNPRINTF
#endif
#ifdef MS_WIN32 /*Python gives us MS_WIN32, SDL needs just WIN32*/
#ifndef WIN32
#define WIN32
#endif
#endif
/// Prefix when initializing module
#define MODPREFIX ""
/// Prefix when importing module
#define IMPPREFIX "pygame."
#ifdef __SYMBIAN32__
#undef MODPREFIX
#undef IMPPREFIX
// On Symbian there is no pygame package. The extensions are built-in or in
// sys\bin.
#define MODPREFIX "pygame_"
#define IMPPREFIX "pygame_"
#endif
#include <SDL.h>
/* Pygame's SDL version macros:
* IS_SDLv1 is 1 if SDL 1.x.x, 0 otherwise
* IS_SDLv2 is 1 if at least SDL 2.0.0, 0 otherwise
*/
#if (SDL_VERSION_ATLEAST(2, 0, 0))
#define IS_SDLv1 0
#define IS_SDLv2 1
#else
#define IS_SDLv1 1
#define IS_SDLv2 0
#endif
/*#if IS_SDLv1 && PG_MAJOR_VERSION >= 2
#error pygame 2 requires SDL 2
#endif*/
#if IS_SDLv2
/* SDL 1.2 constants removed from SDL 2 */
typedef enum {
SDL_HWSURFACE = 0,
SDL_RESIZABLE = SDL_WINDOW_RESIZABLE,
SDL_ASYNCBLIT = 0,
SDL_OPENGL = SDL_WINDOW_OPENGL,
SDL_OPENGLBLIT = 0,
SDL_ANYFORMAT = 0,
SDL_HWPALETTE = 0,
SDL_DOUBLEBUF = 0,
SDL_FULLSCREEN = SDL_WINDOW_FULLSCREEN,
SDL_HWACCEL = 0,
SDL_SRCCOLORKEY = 0,
SDL_RLEACCELOK = 0,
SDL_SRCALPHA = 0,
SDL_NOFRAME = SDL_WINDOW_BORDERLESS,
SDL_GL_SWAP_CONTROL = 0,
TIMER_RESOLUTION = 0
} PygameVideoFlags;
/* the wheel button constants were removed from SDL 2 */
typedef enum {
PGM_BUTTON_LEFT = SDL_BUTTON_LEFT,
PGM_BUTTON_RIGHT = SDL_BUTTON_RIGHT,
PGM_BUTTON_MIDDLE = SDL_BUTTON_MIDDLE,
PGM_BUTTON_WHEELUP = 4,
PGM_BUTTON_WHEELDOWN = 5,
PGM_BUTTON_X1 = SDL_BUTTON_X1 + 2,
PGM_BUTTON_X2 = SDL_BUTTON_X2 + 2,
PGM_BUTTON_KEEP = 0x80
} PygameMouseFlags;
typedef enum {
SDL_NOEVENT = 0,
/* SDL 1.2 allowed for 8 user defined events. */
SDL_NUMEVENTS = SDL_USEREVENT + 8,
SDL_ACTIVEEVENT = SDL_NUMEVENTS,
PGE_EVENTBEGIN = SDL_NUMEVENTS,
SDL_VIDEORESIZE,
SDL_VIDEOEXPOSE,
PGE_KEYREPEAT,
PGE_EVENTEND
} PygameEventCode;
#define PGE_NUMEVENTS (PGE_EVENTEND - PGE_EVENTBEGIN)
typedef enum {
SDL_APPFOCUSMOUSE,
SDL_APPINPUTFOCUS,
SDL_APPACTIVE
} PygameAppCode;
/* Surface flags: based on SDL 1.2 flags */
typedef enum {
PGS_SWSURFACE = 0x00000000,
PGS_HWSURFACE = 0x00000001,
PGS_ASYNCBLIT = 0x00000004,
PGS_ANYFORMAT = 0x10000000,
PGS_HWPALETTE = 0x20000000,
PGS_DOUBLEBUF = 0x40000000,
PGS_FULLSCREEN = 0x80000000,
PGS_OPENGL = 0x00000002,
PGS_OPENGLBLIT = 0x0000000A,
PGS_RESIZABLE = 0x00000010,
PGS_NOFRAME = 0x00000020,
PGS_SHOWN = 0x00000040, /* Added from SDL 2 */
PGS_HIDDEN = 0x00000080, /* Added from SDL 2 */
PGS_HWACCEL = 0x00000100,
PGS_SRCCOLORKEY = 0x00001000,
PGS_RLEACCELOK = 0x00002000,
PGS_RLEACCEL = 0x00004000,
PGS_SRCALPHA = 0x00010000,
PGS_PREALLOC = 0x01000000
} PygameSurfaceFlags;
typedef struct {
Uint32 hw_available:1;
Uint32 wm_available:1;
Uint32 blit_hw:1;
Uint32 blit_hw_CC:1;
Uint32 blit_hw_A:1;
Uint32 blit_sw:1;
Uint32 blit_sw_CC:1;
Uint32 blit_sw_A:1;
Uint32 blit_fill:1;
Uint32 video_mem;
SDL_PixelFormat *vfmt;
SDL_PixelFormat vfmt_data;
int current_w;
int current_h;
} pg_VideoInfo;
#endif /* IS_SDLv2 */
/* macros used throughout the source */
#define RAISE(x, y) (PyErr_SetString((x), (y)), (PyObject *)NULL)
#ifdef WITH_THREAD
#define PG_CHECK_THREADS() (1)
#else /* ~WITH_THREAD */
#define PG_CHECK_THREADS() \
(RAISE(PyExc_NotImplementedError, \
"Python built without thread support"))
#endif /* ~WITH_THREAD */
#define PyType_Init(x) (((x).ob_type) = &PyType_Type)
#define PYGAMEAPI_LOCAL_ENTRY "_PYGAME_C_API"
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef ABS
#define ABS(a) (((a) < 0) ? -(a) : (a))
#endif
/* test sdl initializations */
#define VIDEO_INIT_CHECK() \
if (!SDL_WasInit(SDL_INIT_VIDEO)) \
return RAISE(pgExc_SDLError, "video system not initialized")
#define CDROM_INIT_CHECK() \
if (!SDL_WasInit(SDL_INIT_CDROM)) \
return RAISE(pgExc_SDLError, "cdrom system not initialized")
#define JOYSTICK_INIT_CHECK() \
if (!SDL_WasInit(SDL_INIT_JOYSTICK)) \
return RAISE(pgExc_SDLError, "joystick system not initialized")
/* BASE */
#define VIEW_CONTIGUOUS 1
#define VIEW_C_ORDER 2
#define VIEW_F_ORDER 4
#define PYGAMEAPI_BASE_FIRSTSLOT 0
#if IS_SDLv1
#define PYGAMEAPI_BASE_NUMSLOTS 19
#else /* IS_SDLv2 */
#define PYGAMEAPI_BASE_NUMSLOTS 23
#endif /* IS_SDLv2 */
#ifndef PYGAMEAPI_BASE_INTERNAL
#define pgExc_SDLError ((PyObject *)PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT])
#define pg_RegisterQuit \
(*(void (*)(void (*)(void)))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 1])
#define pg_IntFromObj \
(*(int (*)(PyObject *, int *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 2])
#define pg_IntFromObjIndex \
(*(int (*)(PyObject *, int, \
int *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 3])
#define pg_TwoIntsFromObj \
(*(int (*)(PyObject *, int *, \
int *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 4])
#define pg_FloatFromObj \
(*(int (*)(PyObject *, float *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 5])
#define pg_FloatFromObjIndex \
(*(int (*)(PyObject *, int, \
float *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 6])
#define pg_TwoFloatsFromObj \
(*(int (*)(PyObject *, float *, \
float *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 7])
#define pg_UintFromObj \
(*(int (*)(PyObject *, \
Uint32 *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 8])
#define pg_UintFromObjIndex \
(*(int (*)(PyObject *, int, \
Uint32 *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 9])
#define pgVideo_AutoQuit \
(*(void (*)(void))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 10])
#define pgVideo_AutoInit \
(*(int (*)(void))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 11])
#define pg_RGBAFromObj \
(*(int (*)(PyObject *, \
Uint8 *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 12])
#define pgBuffer_AsArrayInterface \
(*(PyObject * (*)(Py_buffer *)) \
PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 13])
#define pgBuffer_AsArrayStruct \
(*(PyObject * (*)(Py_buffer *)) \
PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 14])
#define pgObject_GetBuffer \
(*(int (*)(PyObject *, pg_buffer *, \
int))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 15])
#define pgBuffer_Release \
(*(void (*)(pg_buffer *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 16])
#define pgDict_AsBuffer \
(*(int (*)(pg_buffer *, PyObject *, \
int))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 17])
#define pgExc_BufferError \
((PyObject *)PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 18])
#if IS_SDLv2
#define pg_GetDefaultWindow \
(*(SDL_Window * (*)(void)) PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 19])
#define pg_SetDefaultWindow \
(*(void (*)(SDL_Window *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 20])
#define pg_GetDefaultWindowSurface \
(*(PyObject * (*)(void)) PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 21])
#define pg_SetDefaultWindowSurface \
(*(void (*)(PyObject *))PyGAME_C_API[PYGAMEAPI_BASE_FIRSTSLOT + 22])
#endif /* IS_SDLv2 */
#define import_pygame_base() IMPORT_PYGAME_MODULE(base, BASE)
#endif
/* RECT */
#define PYGAMEAPI_RECT_FIRSTSLOT \
(PYGAMEAPI_BASE_FIRSTSLOT + PYGAMEAPI_BASE_NUMSLOTS)
#define PYGAMEAPI_RECT_NUMSLOTS 4
#if IS_SDLv1
typedef struct {
int x, y;
int w, h;
} GAME_Rect;
#else
typedef SDL_Rect GAME_Rect;
#endif
typedef struct {
PyObject_HEAD GAME_Rect r;
PyObject *weakreflist;
} pgRectObject;
#define pgRect_AsRect(x) (((pgRectObject *)x)->r)
#ifndef PYGAMEAPI_RECT_INTERNAL
#define pgRect_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 0])
#define pgRect_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 0])
#define pgRect_New \
(*(PyObject * (*)(SDL_Rect *)) PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 1])
#define pgRect_New4 \
(*(PyObject * (*)(int, int, int, int)) \
PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 2])
#define pgRect_FromObject \
(*(GAME_Rect * (*)(PyObject *, GAME_Rect *)) \
PyGAME_C_API[PYGAMEAPI_RECT_FIRSTSLOT + 3])
#define import_pygame_rect() IMPORT_PYGAME_MODULE(rect, RECT)
#endif
/* CDROM */
#define PYGAMEAPI_CDROM_FIRSTSLOT \
(PYGAMEAPI_RECT_FIRSTSLOT + PYGAMEAPI_RECT_NUMSLOTS)
#define PYGAMEAPI_CDROM_NUMSLOTS 2
typedef struct {
PyObject_HEAD int id;
} pgCDObject;
#define pgCD_AsID(x) (((pgCDObject *)x)->id)
#ifndef PYGAMEAPI_CDROM_INTERNAL
#define pgCD_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_CDROM_FIRSTSLOT + 0])
#define pgCD_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_CDROM_FIRSTSLOT + 0])
#define pgCD_New \
(*(PyObject * (*)(int)) PyGAME_C_API[PYGAMEAPI_CDROM_FIRSTSLOT + 1])
#define import_pygame_cd() IMPORT_PYGAME_MODULE(cdrom, CDROM)
#endif
/* JOYSTICK */
#define PYGAMEAPI_JOYSTICK_FIRSTSLOT \
(PYGAMEAPI_CDROM_FIRSTSLOT + PYGAMEAPI_CDROM_NUMSLOTS)
#define PYGAMEAPI_JOYSTICK_NUMSLOTS 2
typedef struct {
PyObject_HEAD int id;
} pgJoystickObject;
#define pgJoystick_AsID(x) (((pgJoystickObject *)x)->id)
#ifndef PYGAMEAPI_JOYSTICK_INTERNAL
#define pgJoystick_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_JOYSTICK_FIRSTSLOT + 0])
#define pgJoystick_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_JOYSTICK_FIRSTSLOT + 0])
#define pgJoystick_New \
(*(PyObject * (*)(int)) PyGAME_C_API[PYGAMEAPI_JOYSTICK_FIRSTSLOT + 1])
#define import_pygame_joystick() IMPORT_PYGAME_MODULE(joystick, JOYSTICK)
#endif
/* DISPLAY */
#define PYGAMEAPI_DISPLAY_FIRSTSLOT \
(PYGAMEAPI_JOYSTICK_FIRSTSLOT + PYGAMEAPI_JOYSTICK_NUMSLOTS)
#define PYGAMEAPI_DISPLAY_NUMSLOTS 2
typedef struct {
#if IS_SDLv1
PyObject_HEAD SDL_VideoInfo info;
#else
PyObject_HEAD pg_VideoInfo info;
#endif
} pgVidInfoObject;
#define pgVidInfo_AsVidInfo(x) (((pgVidInfoObject *)x)->info)
#ifndef PYGAMEAPI_DISPLAY_INTERNAL
#define pgVidInfo_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 0])
#define pgVidInfo_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 0])
#if IS_SDLv1
#define pgVidInfo_New \
(*(PyObject * (*)(SDL_VideoInfo *)) \
PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 1])
#else
#define pgVidInfo_New \
(*(PyObject * (*)(pg_VideoInfo *)) \
PyGAME_C_API[PYGAMEAPI_DISPLAY_FIRSTSLOT + 1])
#endif
#define import_pygame_display() IMPORT_PYGAME_MODULE(display, DISPLAY)
#endif
/* SURFACE */
#define PYGAMEAPI_SURFACE_FIRSTSLOT \
(PYGAMEAPI_DISPLAY_FIRSTSLOT + PYGAMEAPI_DISPLAY_NUMSLOTS)
#define PYGAMEAPI_SURFACE_NUMSLOTS 3
typedef struct {
PyObject_HEAD SDL_Surface *surf;
#if IS_SDLv2
int owner;
#endif /* IS_SDLv2 */
struct pgSubSurface_Data *subsurface; /*ptr to subsurface data (if a
* subsurface)*/
PyObject *weakreflist;
PyObject *locklist;
PyObject *dependency;
} pgSurfaceObject;
#define pgSurface_AsSurface(x) (((pgSurfaceObject *)x)->surf)
#ifndef PYGAMEAPI_SURFACE_INTERNAL
#define pgSurface_Check(x) \
(PyObject_IsInstance((x), \
(PyObject *)PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 0]))
#define pgSurface_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 0])
#if IS_SDLv1
#define pgSurface_New \
(*(PyObject * (*)(SDL_Surface *)) \
PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 1])
#else /* IS_SDLv2 */
#define pgSurface_New2 \
(*(PyObject * (*)(SDL_Surface *, int)) \
PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 1])
#endif /* IS_SDLv2 */
#define pgSurface_Blit \
(*(int (*)(PyObject *, PyObject *, SDL_Rect *, SDL_Rect *, \
int))PyGAME_C_API[PYGAMEAPI_SURFACE_FIRSTSLOT + 2])
#define import_pygame_surface() \
do { \
IMPORT_PYGAME_MODULE(surface, SURFACE); \
if (PyErr_Occurred() != NULL) \
break; \
IMPORT_PYGAME_MODULE(surflock, SURFLOCK); \
} while (0)
#if IS_SDLv2
#define pgSurface_New(surface) pgSurface_New2((surface), 1)
#define pgSurface_NewNoOwn(surface) pgSurface_New2((surface), 0)
#endif /* IS_SDLv2 */
#endif
/* SURFLOCK */ /*auto import/init by surface*/
#define PYGAMEAPI_SURFLOCK_FIRSTSLOT \
(PYGAMEAPI_SURFACE_FIRSTSLOT + PYGAMEAPI_SURFACE_NUMSLOTS)
#define PYGAMEAPI_SURFLOCK_NUMSLOTS 8
struct pgSubSurface_Data {
PyObject *owner;
int pixeloffset;
int offsetx, offsety;
};
typedef struct {
PyObject_HEAD PyObject *surface;
PyObject *lockobj;
PyObject *weakrefs;
} pgLifetimeLockObject;
#ifndef PYGAMEAPI_SURFLOCK_INTERNAL
#define pgLifetimeLock_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 0])
#define pgSurface_Prep(x) \
if (((pgSurfaceObject *)x)->subsurface) \
(*(*(void (*)( \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 1]))(x)
#define pgSurface_Unprep(x) \
if (((pgSurfaceObject *)x)->subsurface) \
(*(*(void (*)( \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 2]))(x)
#define pgSurface_Lock \
(*(int (*)(PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 3])
#define pgSurface_Unlock \
(*(int (*)(PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 4])
#define pgSurface_LockBy \
(*(int (*)(PyObject *, \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 5])
#define pgSurface_UnlockBy \
(*(int (*)(PyObject *, \
PyObject *))PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 6])
#define pgSurface_LockLifetime \
(*(PyObject * (*)(PyObject *, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_SURFLOCK_FIRSTSLOT + 7])
#endif
/* EVENT */
#define PYGAMEAPI_EVENT_FIRSTSLOT \
(PYGAMEAPI_SURFLOCK_FIRSTSLOT + PYGAMEAPI_SURFLOCK_NUMSLOTS)
#if IS_SDLv1
#define PYGAMEAPI_EVENT_NUMSLOTS 4
#else /* IS_SDLv2 */
#define PYGAMEAPI_EVENT_NUMSLOTS 6
#endif /* IS_SDLv2 */
typedef struct {
PyObject_HEAD int type;
PyObject *dict;
} pgEventObject;
#ifndef PYGAMEAPI_EVENT_INTERNAL
#define pgEvent_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 0])
#define pgEvent_Type \
(*(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 0])
#define pgEvent_New \
(*(PyObject * (*)(SDL_Event *)) \
PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 1])
#define pgEvent_New2 \
(*(PyObject * (*)(int, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 2])
#define pgEvent_FillUserEvent \
(*(int (*)(pgEventObject *, \
SDL_Event *))PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 3])
#if IS_SDLv2
#define pg_EnableKeyRepeat \
(*(int (*)(int, int))PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 4])
#define pg_GetKeyRepeat \
(*(void (*)(int *, int *))PyGAME_C_API[PYGAMEAPI_EVENT_FIRSTSLOT + 5])
#endif /* IS_SDLv2 */
#define import_pygame_event() IMPORT_PYGAME_MODULE(event, EVENT)
#endif
/* RWOBJECT */
/*the rwobject are only needed for C side work, not accessable from python*/
#define PYGAMEAPI_RWOBJECT_FIRSTSLOT \
(PYGAMEAPI_EVENT_FIRSTSLOT + PYGAMEAPI_EVENT_NUMSLOTS)
#define PYGAMEAPI_RWOBJECT_NUMSLOTS 6
#ifndef PYGAMEAPI_RWOBJECT_INTERNAL
#define pgRWops_FromObject \
(*(SDL_RWops * (*)(PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 0])
#define pgRWops_IsFileObject \
(*(int (*)(SDL_RWops *))PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 1])
#define pg_EncodeFilePath \
(*(PyObject * (*)(PyObject *, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 2])
#define pg_EncodeString \
(*(PyObject * (*)(PyObject *, const char *, const char *, PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 3])
#define pgRWops_FromFileObject \
(*(SDL_RWops * (*)(PyObject *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 4])
#define pgRWops_ReleaseObject \
(*(int (*)(SDL_RWops *)) \
PyGAME_C_API[PYGAMEAPI_RWOBJECT_FIRSTSLOT + 5])
#define import_pygame_rwobject() IMPORT_PYGAME_MODULE(rwobject, RWOBJECT)
#endif
/* PixelArray */
#define PYGAMEAPI_PIXELARRAY_FIRSTSLOT \
(PYGAMEAPI_RWOBJECT_FIRSTSLOT + PYGAMEAPI_RWOBJECT_NUMSLOTS)
#define PYGAMEAPI_PIXELARRAY_NUMSLOTS 2
#ifndef PYGAMEAPI_PIXELARRAY_INTERNAL
#define PyPixelArray_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_PIXELARRAY_FIRSTSLOT + 0])
#define PyPixelArray_New \
(*(PyObject * (*)) PyGAME_C_API[PYGAMEAPI_PIXELARRAY_FIRSTSLOT + 1])
#define import_pygame_pixelarray() IMPORT_PYGAME_MODULE(pixelarray, PIXELARRAY)
#endif /* PYGAMEAPI_PIXELARRAY_INTERNAL */
/* Color */
#define PYGAMEAPI_COLOR_FIRSTSLOT \
(PYGAMEAPI_PIXELARRAY_FIRSTSLOT + PYGAMEAPI_PIXELARRAY_NUMSLOTS)
#define PYGAMEAPI_COLOR_NUMSLOTS 4
#ifndef PYGAMEAPI_COLOR_INTERNAL
#define pgColor_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 0])
#define pgColor_Type (*(PyObject *)PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT])
#define pgColor_New \
(*(PyObject * (*)(Uint8 *)) PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 1])
#define pgColor_NewLength \
(*(PyObject * (*)(Uint8 *, Uint8)) \
PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 3])
#define pg_RGBAFromColorObj \
(*(int (*)(PyObject *, \
Uint8 *))PyGAME_C_API[PYGAMEAPI_COLOR_FIRSTSLOT + 2])
#define import_pygame_color() IMPORT_PYGAME_MODULE(color, COLOR)
#endif /* PYGAMEAPI_COLOR_INTERNAL */
/* Math */
#define PYGAMEAPI_MATH_FIRSTSLOT \
(PYGAMEAPI_COLOR_FIRSTSLOT + PYGAMEAPI_COLOR_NUMSLOTS)
#define PYGAMEAPI_MATH_NUMSLOTS 2
#ifndef PYGAMEAPI_MATH_INTERNAL
#define pgVector2_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_MATH_FIRSTSLOT + 0])
#define pgVector3_Check(x) \
((x)->ob_type == \
(PyTypeObject *)PyGAME_C_API[PYGAMEAPI_MATH_FIRSTSLOT + 1])
/*
#define pgVector2_New \
(*(PyObject*(*)) PyGAME_C_API[PYGAMEAPI_MATH_FIRSTSLOT + 1])
*/
#define import_pygame_math() IMPORT_PYGAME_MODULE(math, MATH)
#endif /* PYGAMEAPI_MATH_INTERNAL */
#define PG_CAPSULE_NAME(m) (IMPPREFIX m "." PYGAMEAPI_LOCAL_ENTRY)
#define _IMPORT_PYGAME_MODULE(module, MODULE, api_root) \
{ \
PyObject *_module = PyImport_ImportModule(IMPPREFIX #module); \
\
if (_module != NULL) { \
PyObject *_c_api = \
PyObject_GetAttrString(_module, PYGAMEAPI_LOCAL_ENTRY); \
\
Py_DECREF(_module); \
if (_c_api != NULL && PyCapsule_CheckExact(_c_api)) { \
void **localptr = (void **)PyCapsule_GetPointer( \
_c_api, PG_CAPSULE_NAME(#module)); \
\
if (localptr != NULL) { \
memcpy(api_root + PYGAMEAPI_##MODULE##_FIRSTSLOT, \
localptr, \
sizeof(void **) * PYGAMEAPI_##MODULE##_NUMSLOTS); \
} \
} \
Py_XDECREF(_c_api); \
} \
}
#ifndef NO_PYGAME_C_API
#define IMPORT_PYGAME_MODULE(module, MODULE) \
_IMPORT_PYGAME_MODULE(module, MODULE, PyGAME_C_API)
#define PYGAMEAPI_TOTALSLOTS \
(PYGAMEAPI_MATH_FIRSTSLOT + PYGAMEAPI_MATH_NUMSLOTS)
#ifdef PYGAME_H
void *PyGAME_C_API[PYGAMEAPI_TOTALSLOTS] = {NULL};
#else
extern void *PyGAME_C_API[PYGAMEAPI_TOTALSLOTS];
#endif
#endif
#if PG_HAVE_CAPSULE
#define encapsulate_api(ptr, module) \
PyCapsule_New(ptr, PG_CAPSULE_NAME(module), NULL)
#else
#define encapsulate_api(ptr, module) PyCObject_FromVoidPtr(ptr, NULL)
#endif
#ifndef PG_INLINE
#if defined(__clang__)
#define PG_INLINE __inline__ __attribute__((__unused__))
#elif defined(__GNUC__)
#define PG_INLINE __inline__
#elif defined(_MSC_VER)
#define PG_INLINE __inline
#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#define PG_INLINE inline
#else
#define PG_INLINE
#endif
#endif
/*last platform compiler stuff*/
#if defined(macintosh) && defined(__MWERKS__) || defined(__SYMBIAN32__)
#define PYGAME_EXPORT __declspec(export)
#else
#define PYGAME_EXPORT
#endif
#endif /* PYGAME_H */

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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
Copyright (C) 2007 Marcus von Appen
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef _SURFACE_H
#define _SURFACE_H
#include "_pygame.h"
#include "surface.h"
#endif

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/*
Bitmask 1.7 - A pixel-perfect collision detection library.
Copyright (C) 2002-2005 Ulf Ekstrom except for the bitcount
function which is copyright (C) Donald W. Gillies, 1992.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef BITMASK_H
#define BITMASK_H
#ifdef __cplusplus
extern "C" {
#endif
#include <limits.h>
/* Define INLINE for different compilers. If your compiler does not
support inlining then there might be a performance hit in
bitmask_overlap_area().
*/
#ifndef INLINE
# ifdef __GNUC__
# define INLINE inline
# else
# ifdef _MSC_VER
# define INLINE __inline
# else
# define INLINE
# endif
# endif
#endif
#define BITMASK_W unsigned long int
#define BITMASK_W_LEN (sizeof(BITMASK_W)*CHAR_BIT)
#define BITMASK_W_MASK (BITMASK_W_LEN - 1)
#define BITMASK_N(n) ((BITMASK_W)1 << (n))
typedef struct bitmask
{
int w,h;
BITMASK_W bits[1];
} bitmask_t;
/* Creates a bitmask of width w and height h, where
w and h must both be greater than or equal to 0.
The mask is automatically cleared when created.
*/
bitmask_t *bitmask_create(int w, int h);
/* Frees all the memory allocated by bitmask_create for m. */
void bitmask_free(bitmask_t *m);
/* Clears all bits in the mask */
void bitmask_clear(bitmask_t *m);
/* Sets all bits in the mask */
void bitmask_fill(bitmask_t *m);
/* Flips all bits in the mask */
void bitmask_invert(bitmask_t *m);
/* Counts the bits in the mask */
unsigned int bitmask_count(bitmask_t *m);
/* Returns nonzero if the bit at (x,y) is set. Coordinates start at
(0,0) */
static INLINE int bitmask_getbit(const bitmask_t *m, int x, int y)
{
return (m->bits[x/BITMASK_W_LEN*m->h + y] & BITMASK_N(x & BITMASK_W_MASK)) != 0;
}
/* Sets the bit at (x,y) */
static INLINE void bitmask_setbit(bitmask_t *m, int x, int y)
{
m->bits[x/BITMASK_W_LEN*m->h + y] |= BITMASK_N(x & BITMASK_W_MASK);
}
/* Clears the bit at (x,y) */
static INLINE void bitmask_clearbit(bitmask_t *m, int x, int y)
{
m->bits[x/BITMASK_W_LEN*m->h + y] &= ~BITMASK_N(x & BITMASK_W_MASK);
}
/* Returns nonzero if the masks overlap with the given offset.
The overlap tests uses the following offsets (which may be negative):
+----+----------..
|A | yoffset
| +-+----------..
+--|B
|xoffset
| |
: :
*/
int bitmask_overlap(const bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
/* Like bitmask_overlap(), but will also give a point of intersection.
x and y are given in the coordinates of mask a, and are untouched
if there is no overlap. */
int bitmask_overlap_pos(const bitmask_t *a, const bitmask_t *b,
int xoffset, int yoffset, int *x, int *y);
/* Returns the number of overlapping 'pixels' */
int bitmask_overlap_area(const bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
/* Fills a mask with the overlap of two other masks. A bitwise AND. */
void bitmask_overlap_mask (const bitmask_t *a, const bitmask_t *b, bitmask_t *c, int xoffset, int yoffset);
/* Draws mask b onto mask a (bitwise OR). Can be used to compose large
(game background?) mask from several submasks, which may speed up
the testing. */
void bitmask_draw(bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
void bitmask_erase(bitmask_t *a, const bitmask_t *b, int xoffset, int yoffset);
/* Return a new scaled bitmask, with dimensions w*h. The quality of the
scaling may not be perfect for all circumstances, but it should
be reasonable. If either w or h is 0 a clear 1x1 mask is returned. */
bitmask_t *bitmask_scale(const bitmask_t *m, int w, int h);
/* Convolve b into a, drawing the output into o, shifted by offset. If offset
* is 0, then the (x,y) bit will be set if and only if
* bitmask_overlap(a, b, x - b->w - 1, y - b->h - 1) returns true.
*
* Modifies bits o[xoffset ... xoffset + a->w + b->w - 1)
* [yoffset ... yoffset + a->h + b->h - 1). */
void bitmask_convolve(const bitmask_t *a, const bitmask_t *b, bitmask_t *o, int xoffset, int yoffset);
#ifdef __cplusplus
} /* End of extern "C" { */
#endif
#endif

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/*
pygame - Python Game Library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "pygame.h"
#include "doc/camera_doc.h"
#if defined(__unix__)
#include <structmember.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <fcntl.h> /* low-level i/o */
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
/* on freebsd there is no asm/types */
#ifdef linux
#include <asm/types.h> /* for videodev2.h */
#endif
#include <linux/videodev2.h>
#elif defined(__APPLE__)
#include <AvailabilityMacros.h>
/* We support OSX 10.6 and below. */
#if __MAC_OS_X_VERSION_MAX_ALLOWED <= 1060
#define PYGAME_MAC_CAMERA_OLD 1
#endif
#endif
#if defined(PYGAME_MAC_CAMERA_OLD)
#include <QuickTime/QuickTime.h>
#include <QuickTime/Movies.h>
#include <QuickTime/ImageCompression.h>
#endif
/* some constants used which are not defined on non-v4l machines. */
#ifndef V4L2_PIX_FMT_RGB24
#define V4L2_PIX_FMT_RGB24 'RGB3'
#endif
#ifndef V4L2_PIX_FMT_RGB444
#define V4L2_PIX_FMT_RGB444 'R444'
#endif
#ifndef V4L2_PIX_FMT_YUYV
#define V4L2_PIX_FMT_YUYV 'YUYV'
#endif
#define CLEAR(x) memset (&(x), 0, sizeof (x))
#define SAT(c) if (c & (~255)) { if (c < 0) c = 0; else c = 255; }
#define SAT2(c) ((c) & (~255) ? ((c) < 0 ? 0 : 255) : (c))
#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
#define RGB_OUT 1
#define YUV_OUT 2
#define HSV_OUT 4
#define CAM_V4L 1 /* deprecated. the incomplete support in pygame was removed */
#define CAM_V4L2 2
struct buffer {
void * start;
size_t length;
};
#if defined(__unix__)
typedef struct pgCameraObject {
PyObject_HEAD
char* device_name;
int camera_type;
unsigned long pixelformat;
unsigned int color_out;
struct buffer* buffers;
unsigned int n_buffers;
int width;
int height;
int size;
int hflip;
int vflip;
int brightness;
int fd;
} pgCameraObject;
#elif defined(PYGAME_MAC_CAMERA_OLD)
typedef struct pgCameraObject {
PyObject_HEAD
char* device_name; /* unieke name of the device */
OSType pixelformat;
unsigned int color_out;
SeqGrabComponent component; /* A type used by the Sequence Grabber API */
SGChannel channel; /* Channel of the Sequence Grabber */
GWorldPtr gworld; /* Pointer to the struct that holds the data of the captured image */
Rect boundsRect; /* bounds of the image frame */
long size; /* size of the image in our buffer to draw */
int hflip;
int vflip;
short depth;
struct buffer pixels;
//struct buffer tmp_pixels /* place where the flipped image in temporarly stored if hflip or vflip is true.*/
} pgCameraObject;
#else
/* generic definition.
*/
typedef struct pgCameraObject {
PyObject_HEAD
char* device_name;
int camera_type;
unsigned long pixelformat;
unsigned int color_out;
struct buffer* buffers;
unsigned int n_buffers;
int width;
int height;
int size;
int hflip;
int vflip;
int brightness;
int fd;
} pgCameraObject;
#endif
/* internal functions for colorspace conversion */
void colorspace (SDL_Surface *src, SDL_Surface *dst, int cspace);
void rgb24_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void rgb444_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void rgb_to_yuv (const void* src, void* dst, int length,
unsigned long source, SDL_PixelFormat* format);
void rgb_to_hsv (const void* src, void* dst, int length,
unsigned long source, SDL_PixelFormat* format);
void yuyv_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void yuyv_to_yuv (const void* src, void* dst, int length, SDL_PixelFormat* format);
void uyvy_to_rgb (const void* src, void* dst, int length, SDL_PixelFormat* format);
void uyvy_to_yuv (const void* src, void* dst, int length, SDL_PixelFormat* format);
void sbggr8_to_rgb (const void* src, void* dst, int width, int height,
SDL_PixelFormat* format);
void yuv420_to_rgb (const void* src, void* dst, int width, int height,
SDL_PixelFormat* format);
void yuv420_to_yuv (const void* src, void* dst, int width, int height,
SDL_PixelFormat* format);
#if defined(__unix__)
/* internal functions specific to v4l2 */
char** v4l2_list_cameras (int* num_devices);
int v4l2_get_control (int fd, int id, int *value);
int v4l2_set_control (int fd, int id, int value);
PyObject* v4l2_read_raw (pgCameraObject* self);
int v4l2_xioctl (int fd, int request, void *arg);
int v4l2_process_image (pgCameraObject* self, const void *image,
unsigned int buffer_size, SDL_Surface* surf);
int v4l2_query_buffer (pgCameraObject* self);
int v4l2_read_frame (pgCameraObject* self, SDL_Surface* surf);
int v4l2_stop_capturing (pgCameraObject* self);
int v4l2_start_capturing (pgCameraObject* self);
int v4l2_uninit_device (pgCameraObject* self);
int v4l2_init_mmap (pgCameraObject* self);
int v4l2_init_device (pgCameraObject* self);
int v4l2_close_device (pgCameraObject* self);
int v4l2_open_device (pgCameraObject* self);
#elif defined(PYGAME_MAC_CAMERA_OLD)
/* internal functions specific to mac */
char** mac_list_cameras(int* num_devices);
int mac_open_device (pgCameraObject* self);
int mac_init_device(pgCameraObject* self);
int mac_close_device (pgCameraObject* self);
int mac_start_capturing(pgCameraObject* self);
int mac_stop_capturing (pgCameraObject* self);
int mac_get_control(pgCameraObject* self, int id, int* value);
int mac_set_control(pgCameraObject* self, int id, int value);
PyObject* mac_read_raw(pgCameraObject *self);
int mac_read_frame(pgCameraObject* self, SDL_Surface* surf);
int mac_camera_idle(pgCameraObject* self);
int mac_copy_gworld_to_surface(pgCameraObject* self, SDL_Surface* surf);
void flip_image(const void* image, void* flipped_image, int width, int height,
short depth, int hflip, int vflip);
#endif

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#ifndef _FASTEVENTS_H_
#define _FASTEVENTS_H_
/*
NET2 is a threaded, event based, network IO library for SDL.
Copyright (C) 2002 Bob Pendleton
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1
of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA
If you do not wish to comply with the terms of the LGPL please
contact the author as other terms are available for a fee.
Bob Pendleton
Bob@Pendleton.com
*/
#include "SDL.h"
#ifdef __cplusplus
extern "C" {
#endif
int FE_Init(void); // Initialize FE
void FE_Quit(void); // shutdown FE
void FE_PumpEvents(void); // replacement for SDL_PumpEvents
int FE_PollEvent(SDL_Event *event); // replacement for SDL_PollEvent
int FE_WaitEvent(SDL_Event *event); // replacement for SDL_WaitEvent
int FE_PushEvent(SDL_Event *event); // replacement for SDL_PushEvent
char *FE_GetError(void); // get the last error
#ifdef __cplusplus
}
#endif
#endif

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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#include <Python.h>
#if defined(HAVE_SNPRINTF) /* also defined in SDL_ttf (SDL.h) */
#undef HAVE_SNPRINTF /* remove GCC macro redefine warning */
#endif
#include <SDL_ttf.h>
/* test font initialization */
#define FONT_INIT_CHECK() \
if(!(*(int*)PyFONT_C_API[2])) \
return RAISE(pgExc_SDLError, "font system not initialized")
#define PYGAMEAPI_FONT_FIRSTSLOT 0
#define PYGAMEAPI_FONT_NUMSLOTS 3
typedef struct {
PyObject_HEAD
TTF_Font* font;
PyObject* weakreflist;
} PyFontObject;
#define PyFont_AsFont(x) (((PyFontObject*)x)->font)
#ifndef PYGAMEAPI_FONT_INTERNAL
#define PyFont_Check(x) ((x)->ob_type == (PyTypeObject*)PyFONT_C_API[0])
#define PyFont_Type (*(PyTypeObject*)PyFONT_C_API[0])
#define PyFont_New (*(PyObject*(*)(TTF_Font*))PyFONT_C_API[1])
/*slot 2 taken by FONT_INIT_CHECK*/
#define import_pygame_font() \
_IMPORT_PYGAME_MODULE(font, FONT, PyFONT_C_API)
static void* PyFONT_C_API[PYGAMEAPI_FONT_NUMSLOTS] = {NULL};
#endif

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/*
pygame - Python Game Library
Copyright (C) 2009 Vicent Marti
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _PYGAME_FREETYPE_H_
#define _PYGAME_FREETYPE_H_
#define PGFT_PYGAME1_COMPAT
#define HAVE_PYGAME_SDL_VIDEO
#define HAVE_PYGAME_SDL_RWOPS
#include "pygame.h"
#include "pgcompat.h"
#if PY3
# define IS_PYTHON_3
#endif
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_CACHE_H
#include FT_XFREE86_H
#include FT_TRIGONOMETRY_H
/**********************************************************
* Global module constants
**********************************************************/
/* Render styles */
#define FT_STYLE_NORMAL 0x00
#define FT_STYLE_STRONG 0x01
#define FT_STYLE_OBLIQUE 0x02
#define FT_STYLE_UNDERLINE 0x04
#define FT_STYLE_WIDE 0x08
#define FT_STYLE_DEFAULT 0xFF
/* Bounding box modes */
#define FT_BBOX_EXACT FT_GLYPH_BBOX_SUBPIXELS
#define FT_BBOX_EXACT_GRIDFIT FT_GLYPH_BBOX_GRIDFIT
#define FT_BBOX_PIXEL FT_GLYPH_BBOX_TRUNCATE
#define FT_BBOX_PIXEL_GRIDFIT FT_GLYPH_BBOX_PIXELS
/* Rendering flags */
#define FT_RFLAG_NONE (0)
#define FT_RFLAG_ANTIALIAS (1 << 0)
#define FT_RFLAG_AUTOHINT (1 << 1)
#define FT_RFLAG_VERTICAL (1 << 2)
#define FT_RFLAG_HINTED (1 << 3)
#define FT_RFLAG_KERNING (1 << 4)
#define FT_RFLAG_TRANSFORM (1 << 5)
#define FT_RFLAG_PAD (1 << 6)
#define FT_RFLAG_ORIGIN (1 << 7)
#define FT_RFLAG_UCS4 (1 << 8)
#define FT_RFLAG_USE_BITMAP_STRIKES (1 << 9)
#define FT_RFLAG_DEFAULTS (FT_RFLAG_HINTED | \
FT_RFLAG_USE_BITMAP_STRIKES | \
FT_RFLAG_ANTIALIAS)
#define FT_RENDER_NEWBYTEARRAY 0x0
#define FT_RENDER_NEWSURFACE 0x1
#define FT_RENDER_EXISTINGSURFACE 0x2
/**********************************************************
* Global module types
**********************************************************/
typedef struct _scale_s {
FT_UInt x, y;
} Scale_t;
typedef FT_Angle Angle_t;
struct fontinternals_;
struct freetypeinstance_;
typedef struct {
FT_Long font_index;
FT_Open_Args open_args;
} pgFontId;
typedef struct {
PyObject_HEAD
pgFontId id;
PyObject *path;
int is_scalable;
Scale_t face_size;
FT_Int16 style;
FT_Int16 render_flags;
double strength;
double underline_adjustment;
FT_UInt resolution;
Angle_t rotation;
FT_Matrix transform;
FT_Byte fgcolor[4];
struct freetypeinstance_ *freetype; /* Personal reference */
struct fontinternals_ *_internals;
} pgFontObject;
#define pgFont_IS_ALIVE(o) \
(((pgFontObject *)(o))->_internals != 0)
/**********************************************************
* Module declaration
**********************************************************/
#define PYGAMEAPI_FREETYPE_FIRSTSLOT 0
#define PYGAMEAPI_FREETYPE_NUMSLOTS 2
#ifndef PYGAME_FREETYPE_INTERNAL
#define pgFont_Check(x) ((x)->ob_type == (PyTypeObject*)PgFREETYPE_C_API[0])
#define pgFont_Type (*(PyTypeObject*)PgFREETYPE_C_API[1])
#define pgFont_New (*(PyObject*(*)(const char*, long))PgFREETYPE_C_API[1])
#define import_pygame_freetype() \
_IMPORT_PYGAME_MODULE(freetype, FREETYPE, PgFREETYPE_C_API)
static void *PgFREETYPE_C_API[PYGAMEAPI_FREETYPE_NUMSLOTS] = {0};
#endif /* PYGAME_FREETYPE_INTERNAL */
#endif /* _PYGAME_FREETYPE_H_ */

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#include <Python.h>
#include "bitmask.h"
#define PYGAMEAPI_MASK_FIRSTSLOT 0
#define PYGAMEAPI_MASK_NUMSLOTS 1
#define PYGAMEAPI_LOCAL_ENTRY "_PYGAME_C_API"
typedef struct {
PyObject_HEAD
bitmask_t *mask;
} pgMaskObject;
#define pgMask_AsBitmap(x) (((pgMaskObject*)x)->mask)
#ifndef PYGAMEAPI_MASK_INTERNAL
#define pgMask_Type (*(PyTypeObject*)PyMASK_C_API[0])
#define pgMask_Check(x) ((x)->ob_type == &pgMask_Type)
#define import_pygame_mask() \
_IMPORT_PYGAME_MODULE(mask, MASK, PyMASK_C_API)
static void* PyMASK_C_API[PYGAMEAPI_MASK_NUMSLOTS] = {NULL};
#endif /* #ifndef PYGAMEAPI_MASK_INTERNAL */

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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#include <Python.h>
#include <SDL_mixer.h>
#include <structmember.h>
/* test mixer initializations */
#define MIXER_INIT_CHECK() \
if(!SDL_WasInit(SDL_INIT_AUDIO)) \
return RAISE(pgExc_SDLError, "mixer not initialized")
#define PYGAMEAPI_MIXER_FIRSTSLOT 0
#define PYGAMEAPI_MIXER_NUMSLOTS 7
typedef struct {
PyObject_HEAD
Mix_Chunk *chunk;
Uint8 *mem;
PyObject *weakreflist;
} pgSoundObject;
typedef struct {
PyObject_HEAD
int chan;
} pgChannelObject;
#define pgSound_AsChunk(x) (((pgSoundObject*)x)->chunk)
#define pgChannel_AsInt(x) (((pgChannelObject*)x)->chan)
#ifndef PYGAMEAPI_MIXER_INTERNAL
#define pgSound_Check(x) ((x)->ob_type == (PyTypeObject*)pgMIXER_C_API[0])
#define pgSound_Type (*(PyTypeObject*)pgMIXER_C_API[0])
#define pgSound_New (*(PyObject*(*)(Mix_Chunk*))pgMIXER_C_API[1])
#define pgSound_Play (*(PyObject*(*)(PyObject*, PyObject*))pgMIXER_C_API[2])
#define pgChannel_Check(x) ((x)->ob_type == (PyTypeObject*)pgMIXER_C_API[3])
#define pgChannel_Type (*(PyTypeObject*)pgMIXER_C_API[3])
#define pgChannel_New (*(PyObject*(*)(int))pgMIXER_C_API[4])
#define pgMixer_AutoInit (*(PyObject*(*)(PyObject*, PyObject*))pgMIXER_C_API[5])
#define pgMixer_AutoQuit (*(void(*)(void))pgMIXER_C_API[6])
#define import_pygame_mixer() \
_IMPORT_PYGAME_MODULE(mixer, MIXER, pgMIXER_C_API)
static void* pgMIXER_C_API[PYGAMEAPI_MIXER_NUMSLOTS] = {NULL};
#endif

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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef PALETTE_H
#define PALETTE_H
#include <SDL.h>
/* SDL 2 does not assign a default palette color scheme to a new 8 bit
* surface. Instead, the palette is set all white. This defines the SDL 1.2
* default palette.
*/
static const SDL_Color default_palette_colors[] = {
{0, 0, 0, 255}, {0, 0, 85, 255}, {0, 0, 170, 255},
{0, 0, 255, 255}, {0, 36, 0, 255}, {0, 36, 85, 255},
{0, 36, 170, 255}, {0, 36, 255, 255}, {0, 73, 0, 255},
{0, 73, 85, 255}, {0, 73, 170, 255}, {0, 73, 255, 255},
{0, 109, 0, 255}, {0, 109, 85, 255}, {0, 109, 170, 255},
{0, 109, 255, 255}, {0, 146, 0, 255}, {0, 146, 85, 255},
{0, 146, 170, 255}, {0, 146, 255, 255}, {0, 182, 0, 255},
{0, 182, 85, 255}, {0, 182, 170, 255}, {0, 182, 255, 255},
{0, 219, 0, 255}, {0, 219, 85, 255}, {0, 219, 170, 255},
{0, 219, 255, 255}, {0, 255, 0, 255}, {0, 255, 85, 255},
{0, 255, 170, 255}, {0, 255, 255, 255}, {85, 0, 0, 255},
{85, 0, 85, 255}, {85, 0, 170, 255}, {85, 0, 255, 255},
{85, 36, 0, 255}, {85, 36, 85, 255}, {85, 36, 170, 255},
{85, 36, 255, 255}, {85, 73, 0, 255}, {85, 73, 85, 255},
{85, 73, 170, 255}, {85, 73, 255, 255}, {85, 109, 0, 255},
{85, 109, 85, 255}, {85, 109, 170, 255}, {85, 109, 255, 255},
{85, 146, 0, 255}, {85, 146, 85, 255}, {85, 146, 170, 255},
{85, 146, 255, 255}, {85, 182, 0, 255}, {85, 182, 85, 255},
{85, 182, 170, 255}, {85, 182, 255, 255}, {85, 219, 0, 255},
{85, 219, 85, 255}, {85, 219, 170, 255}, {85, 219, 255, 255},
{85, 255, 0, 255}, {85, 255, 85, 255}, {85, 255, 170, 255},
{85, 255, 255, 255}, {170, 0, 0, 255}, {170, 0, 85, 255},
{170, 0, 170, 255}, {170, 0, 255, 255}, {170, 36, 0, 255},
{170, 36, 85, 255}, {170, 36, 170, 255}, {170, 36, 255, 255},
{170, 73, 0, 255}, {170, 73, 85, 255}, {170, 73, 170, 255},
{170, 73, 255, 255}, {170, 109, 0, 255}, {170, 109, 85, 255},
{170, 109, 170, 255}, {170, 109, 255, 255}, {170, 146, 0, 255},
{170, 146, 85, 255}, {170, 146, 170, 255}, {170, 146, 255, 255},
{170, 182, 0, 255}, {170, 182, 85, 255}, {170, 182, 170, 255},
{170, 182, 255, 255}, {170, 219, 0, 255}, {170, 219, 85, 255},
{170, 219, 170, 255}, {170, 219, 255, 255}, {170, 255, 0, 255},
{170, 255, 85, 255}, {170, 255, 170, 255}, {170, 255, 255, 255},
{255, 0, 0, 255}, {255, 0, 85, 255}, {255, 0, 170, 255},
{255, 0, 255, 255}, {255, 36, 0, 255}, {255, 36, 85, 255},
{255, 36, 170, 255}, {255, 36, 255, 255}, {255, 73, 0, 255},
{255, 73, 85, 255}, {255, 73, 170, 255}, {255, 73, 255, 255},
{255, 109, 0, 255}, {255, 109, 85, 255}, {255, 109, 170, 255},
{255, 109, 255, 255}, {255, 146, 0, 255}, {255, 146, 85, 255},
{255, 146, 170, 255}, {255, 146, 255, 255}, {255, 182, 0, 255},
{255, 182, 85, 255}, {255, 182, 170, 255}, {255, 182, 255, 255},
{255, 219, 0, 255}, {255, 219, 85, 255}, {255, 219, 170, 255},
{255, 219, 255, 255}, {255, 255, 0, 255}, {255, 255, 85, 255},
{255, 255, 170, 255}, {255, 255, 255, 255}, {0, 0, 0, 255},
{0, 0, 85, 255}, {0, 0, 170, 255}, {0, 0, 255, 255},
{0, 36, 0, 255}, {0, 36, 85, 255}, {0, 36, 170, 255},
{0, 36, 255, 255}, {0, 73, 0, 255}, {0, 73, 85, 255},
{0, 73, 170, 255}, {0, 73, 255, 255}, {0, 109, 0, 255},
{0, 109, 85, 255}, {0, 109, 170, 255}, {0, 109, 255, 255},
{0, 146, 0, 255}, {0, 146, 85, 255}, {0, 146, 170, 255},
{0, 146, 255, 255}, {0, 182, 0, 255}, {0, 182, 85, 255},
{0, 182, 170, 255}, {0, 182, 255, 255}, {0, 219, 0, 255},
{0, 219, 85, 255}, {0, 219, 170, 255}, {0, 219, 255, 255},
{0, 255, 0, 255}, {0, 255, 85, 255}, {0, 255, 170, 255},
{0, 255, 255, 255}, {85, 0, 0, 255}, {85, 0, 85, 255},
{85, 0, 170, 255}, {85, 0, 255, 255}, {85, 36, 0, 255},
{85, 36, 85, 255}, {85, 36, 170, 255}, {85, 36, 255, 255},
{85, 73, 0, 255}, {85, 73, 85, 255}, {85, 73, 170, 255},
{85, 73, 255, 255}, {85, 109, 0, 255}, {85, 109, 85, 255},
{85, 109, 170, 255}, {85, 109, 255, 255}, {85, 146, 0, 255},
{85, 146, 85, 255}, {85, 146, 170, 255}, {85, 146, 255, 255},
{85, 182, 0, 255}, {85, 182, 85, 255}, {85, 182, 170, 255},
{85, 182, 255, 255}, {85, 219, 0, 255}, {85, 219, 85, 255},
{85, 219, 170, 255}, {85, 219, 255, 255}, {85, 255, 0, 255},
{85, 255, 85, 255}, {85, 255, 170, 255}, {85, 255, 255, 255},
{170, 0, 0, 255}, {170, 0, 85, 255}, {170, 0, 170, 255},
{170, 0, 255, 255}, {170, 36, 0, 255}, {170, 36, 85, 255},
{170, 36, 170, 255}, {170, 36, 255, 255}, {170, 73, 0, 255},
{170, 73, 85, 255}, {170, 73, 170, 255}, {170, 73, 255, 255},
{170, 109, 0, 255}, {170, 109, 85, 255}, {170, 109, 170, 255},
{170, 109, 255, 255}, {170, 146, 0, 255}, {170, 146, 85, 255},
{170, 146, 170, 255}, {170, 146, 255, 255}, {170, 182, 0, 255},
{170, 182, 85, 255}, {170, 182, 170, 255}, {170, 182, 255, 255},
{170, 219, 0, 255}, {170, 219, 85, 255}, {170, 219, 170, 255},
{170, 219, 255, 255}, {170, 255, 0, 255}, {170, 255, 85, 255},
{170, 255, 170, 255}, {170, 255, 255, 255}, {255, 0, 0, 255},
{255, 0, 85, 255}, {255, 0, 170, 255}, {255, 0, 255, 255},
{255, 36, 0, 255}, {255, 36, 85, 255}, {255, 36, 170, 255},
{255, 36, 255, 255}, {255, 73, 0, 255}, {255, 73, 85, 255},
{255, 73, 170, 255}, {255, 73, 255, 255}, {255, 109, 0, 255},
{255, 109, 85, 255}, {255, 109, 170, 255}, {255, 109, 255, 255},
{255, 146, 0, 255}, {255, 146, 85, 255}, {255, 146, 170, 255},
{255, 146, 255, 255}, {255, 182, 0, 255}, {255, 182, 85, 255},
{255, 182, 170, 255}, {255, 182, 255, 255}, {255, 219, 0, 255},
{255, 219, 85, 255}, {255, 219, 170, 255}, {255, 219, 255, 255},
{255, 255, 0, 255}, {255, 255, 85, 255}, {255, 255, 170, 255},
{255, 255, 255, 255}};
static const int default_palette_size =
(int)(sizeof(default_palette_colors) / sizeof(SDL_Color));
#endif

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/* array structure interface version 3 declarations */
#if !defined(PG_ARRAYINTER_HEADER)
#define PG_ARRAYINTER_HEADER
static const int PAI_CONTIGUOUS = 0x01;
static const int PAI_FORTRAN = 0x02;
static const int PAI_ALIGNED = 0x100;
static const int PAI_NOTSWAPPED = 0x200;
static const int PAI_WRITEABLE = 0x400;
static const int PAI_ARR_HAS_DESCR = 0x800;
typedef struct {
int two; /* contains the integer 2 -- simple sanity check */
int nd; /* number of dimensions */
char typekind; /* kind in array -- character code of typestr */
int itemsize; /* size of each element */
int flags; /* flags indicating how the data should be */
/* interpreted */
Py_intptr_t *shape; /* A length-nd array of shape information */
Py_intptr_t *strides; /* A length-nd array of stride information */
void *data; /* A pointer to the first element of the array */
PyObject *descr; /* NULL or a data-description */
} PyArrayInterface;
#endif

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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
Copyright (C) 2007 Rene Dudfield, Richard Goedeken
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
/* Bufferproxy module C api.
Depends on pygame.h being included first.
*/
#if !defined(PG_BUFPROXY_HEADER)
#define PYGAMEAPI_BUFPROXY_NUMSLOTS 4
#define PYGAMEAPI_BUFPROXY_FIRSTSLOT 0
#if !(defined(PYGAMEAPI_BUFPROXY_INTERNAL) || defined(NO_PYGAME_C_API))
static void *PgBUFPROXY_C_API[PYGAMEAPI_BUFPROXY_NUMSLOTS];
typedef PyObject *(*_pgbufproxy_new_t)(PyObject *, getbufferproc);
typedef PyObject *(*_pgbufproxy_get_obj_t)(PyObject *);
typedef int (*_pgbufproxy_trip_t)(PyObject *);
#define pgBufproxy_Type (*(PyTypeObject*)PgBUFPROXY_C_API[0])
#define pgBufproxy_New (*(_pgbufproxy_new_t)PgBUFPROXY_C_API[1])
#define pgBufproxy_GetParent \
(*(_pgbufproxy_get_obj_t)PgBUFPROXY_C_API[2])
#define pgBufproxy_Trip (*(_pgbufproxy_trip_t)PgBUFPROXY_C_API[3])
#define pgBufproxy_Check(x) ((x)->ob_type == (pgBufproxy_Type))
#define import_pygame_bufferproxy() \
_IMPORT_PYGAME_MODULE(bufferproxy, BUFPROXY, PgBUFPROXY_C_API)
#endif /* #if !(defined(PYGAMEAPI_BUFPROXY_INTERNAL) || ... */
#define PG_BUFPROXY_HEADER
#endif /* #if !defined(PG_BUFPROXY_HEADER) */

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/* Python 2.x/3.x compitibility tools
*/
#if !defined(PGCOMPAT_H)
#define PGCOMPAT_H
#if PY_MAJOR_VERSION >= 3
#define PY3 1
/* Define some aliases for the removed PyInt_* functions */
#define PyInt_Check(op) PyLong_Check(op)
#define PyInt_FromString PyLong_FromString
#define PyInt_FromUnicode PyLong_FromUnicode
#define PyInt_FromLong PyLong_FromLong
#define PyInt_FromSize_t PyLong_FromSize_t
#define PyInt_FromSsize_t PyLong_FromSsize_t
#define PyInt_AsLong PyLong_AsLong
#define PyInt_AsSsize_t PyLong_AsSsize_t
#define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask
#define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
#define PyInt_AS_LONG PyLong_AS_LONG
#define PyNumber_Int PyNumber_Long
/* Weakrefs flags changed in 3.x */
#define Py_TPFLAGS_HAVE_WEAKREFS 0
/* Module init function returns new module instance. */
#define MODINIT_RETURN(x) return x
#define MODINIT_DEFINE(mod_name) PyMODINIT_FUNC PyInit_##mod_name (void)
#define DECREF_MOD(mod) Py_DECREF (mod)
/* Type header differs. */
#define TYPE_HEAD(x,y) PyVarObject_HEAD_INIT(x,y)
/* Text interface. Use unicode strings. */
#define Text_Type PyUnicode_Type
#define Text_Check PyUnicode_Check
#ifndef PYPY_VERSION
#define Text_FromLocale(s) PyUnicode_DecodeLocale((s), "strict")
#else /* PYPY_VERSION */
/* workaround: missing function for pypy */
#define Text_FromLocale PyUnicode_FromString
#endif /* PYPY_VERSION */
#define Text_FromUTF8 PyUnicode_FromString
#define Text_FromUTF8AndSize PyUnicode_FromStringAndSize
#define Text_FromFormat PyUnicode_FromFormat
#define Text_GetSize PyUnicode_GetSize
#define Text_GET_SIZE PyUnicode_GET_SIZE
/* Binary interface. Use bytes. */
#define Bytes_Type PyBytes_Type
#define Bytes_Check PyBytes_Check
#define Bytes_Size PyBytes_Size
#define Bytes_AsString PyBytes_AsString
#define Bytes_AsStringAndSize PyBytes_AsStringAndSize
#define Bytes_FromStringAndSize PyBytes_FromStringAndSize
#define Bytes_FromFormat PyBytes_FromFormat
#define Bytes_AS_STRING PyBytes_AS_STRING
#define Bytes_GET_SIZE PyBytes_GET_SIZE
#define Bytes_AsDecodeObject PyBytes_AsDecodedObject
#define Object_Unicode PyObject_Str
#define IsTextObj(x) (PyUnicode_Check(x) || PyBytes_Check(x))
/* Renamed builtins */
#define BUILTINS_MODULE "builtins"
#define BUILTINS_UNICODE "str"
#define BUILTINS_UNICHR "chr"
/* Defaults for unicode file path encoding */
#define UNICODE_DEF_FS_CODEC Py_FileSystemDefaultEncoding
#if defined(MS_WIN32)
#define UNICODE_DEF_FS_ERROR "replace"
#else
#define UNICODE_DEF_FS_ERROR "surrogateescape"
#endif
#else /* #if PY_MAJOR_VERSION >= 3 */
#define PY3 0
/* Module init function returns nothing. */
#define MODINIT_RETURN(x) return
#define MODINIT_DEFINE(mod_name) PyMODINIT_FUNC init##mod_name (void)
#define DECREF_MOD(mod)
/* Type header differs. */
#define TYPE_HEAD(x,y) \
PyObject_HEAD_INIT(x) \
0,
/* Text interface. Use ascii strings. */
#define Text_Type PyString_Type
#define Text_Check PyString_Check
#define Text_FromLocale PyString_FromString
#define Text_FromUTF8 PyString_FromString
#define Text_FromUTF8AndSize PyString_FromStringAndSize
#define Text_FromFormat PyString_FromFormat
#define Text_GetSize PyString_GetSize
#define Text_GET_SIZE PyString_GET_SIZE
/* Binary interface. Use ascii strings. */
#define Bytes_Type PyString_Type
#define Bytes_Check PyString_Check
#define Bytes_Size PyString_Size
#define Bytes_AsString PyString_AsString
#define Bytes_AsStringAndSize PyString_AsStringAndSize
#define Bytes_FromStringAndSize PyString_FromStringAndSize
#define Bytes_FromFormat PyString_FromFormat
#define Bytes_AS_STRING PyString_AS_STRING
#define Bytes_GET_SIZE PyString_GET_SIZE
#define Bytes_AsDecodedObject PyString_AsDecodedObject
#define Object_Unicode PyObject_Unicode
/* Renamed builtins */
#define BUILTINS_MODULE "__builtin__"
#define BUILTINS_UNICODE "unicode"
#define BUILTINS_UNICHR "unichr"
/* Defaults for unicode file path encoding */
#define UNICODE_DEF_FS_CODEC Py_FileSystemDefaultEncoding
#define UNICODE_DEF_FS_ERROR "strict"
#endif /* #if PY_MAJOR_VERSION >= 3 */
#define PY2 (!PY3)
#define MODINIT_ERROR MODINIT_RETURN (NULL)
/* Module state. These macros are used to define per-module macros.
* v - global state variable (Python 2.x)
* s - global state structure (Python 3.x)
*/
#define PY2_GETSTATE(v) (&(v))
#define PY3_GETSTATE(s, m) ((struct s *) PyModule_GetState (m))
/* Pep 3123: Making PyObject_HEAD conform to standard C */
#if !defined(Py_TYPE)
#define Py_TYPE(o) (((PyObject *)(o))->ob_type)
#define Py_REFCNT(o) (((PyObject *)(o))->ob_refcnt)
#define Py_SIZE(o) (((PyVarObject *)(o))->ob_size)
#endif
/* Encode a unicode file path */
#define Unicode_AsEncodedPath(u) \
PyUnicode_AsEncodedString ((u), UNICODE_DEF_FS_CODEC, UNICODE_DEF_FS_ERROR)
#define RELATIVE_MODULE(m) ("." m)
#define HAVE_OLD_BUFPROTO PY2
#if !defined(PG_ENABLE_OLDBUF) /* allow for command line override */
#if HAVE_OLD_BUFPROTO
#define PG_ENABLE_OLDBUF 1
#else
#define PG_ENABLE_OLDBUF 0
#endif
#endif
#ifndef Py_TPFLAGS_HAVE_NEWBUFFER
#define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#ifndef Py_TPFLAGS_HAVE_CLASS
#define Py_TPFLAGS_HAVE_CLASS 0
#endif
#ifndef Py_TPFLAGS_CHECKTYPES
#define Py_TPFLAGS_CHECKTYPES 0
#endif
#if PY_VERSION_HEX >= 0x03020000
#define Slice_GET_INDICES_EX(slice, length, start, stop, step, slicelength) \
PySlice_GetIndicesEx(slice, length, start, stop, step, slicelength)
#else
#define Slice_GET_INDICES_EX(slice, length, start, stop, step, slicelength) \
PySlice_GetIndicesEx((PySliceObject *)(slice), length, \
start, stop, step, slicelength)
#endif
/* Support new buffer protocol? */
#if !defined(PG_ENABLE_NEWBUF) /* allow for command line override */
#if !defined(PYPY_VERSION)
#define PG_ENABLE_NEWBUF 1
#else
#define PG_ENABLE_NEWBUF 0
#endif
#endif
#endif /* #if !defined(PGCOMPAT_H) */

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#if !defined(PGOPENGL_H)
#define PGOPENGL_H
/** This header includes definitions of Opengl functions as pointer types for
** use with the SDL function SDL_GL_GetProcAddress.
**/
#if defined(_WIN32)
#define GL_APIENTRY __stdcall
#else
#define GL_APIENTRY
#endif
typedef void (GL_APIENTRY *GL_glReadPixels_Func)(int, int, int, int, unsigned int, unsigned int, void*);
#endif

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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
/* To allow the Pygame C api to be globally shared by all code within an
* extension module built from multiple C files, only include the pygame.h
* header within the top level C file, the one which calls the
* 'import_pygame_*' macros. All other C source files of the module should
* include _pygame.h instead.
*/
#ifndef PYGAME_H
#define PYGAME_H
#include "_pygame.h"
#endif

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/*
pygame - Python Game Library
Copyright (C) 2006, 2007 Rene Dudfield, Marcus von Appen
Originally put in the public domain by Sam Lantinga.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* This is unconditionally defined in Python.h */
#if defined(_POSIX_C_SOURCE)
#undef _POSIX_C_SOURCE
#endif
#include <Python.h>
/* Handle clipboard text and data in arbitrary formats */
/**
* Predefined supported pygame scrap types.
*/
#define PYGAME_SCRAP_TEXT "text/plain"
#define PYGAME_SCRAP_BMP "image/bmp"
#define PYGAME_SCRAP_PPM "image/ppm"
#define PYGAME_SCRAP_PBM "image/pbm"
/**
* The supported scrap clipboard types.
*
* This is only relevant in a X11 environment, which supports mouse
* selections as well. For Win32 and MacOS environments the default
* clipboard is used, no matter what value is passed.
*/
typedef enum
{
SCRAP_CLIPBOARD,
SCRAP_SELECTION /* only supported in X11 environments. */
} ScrapClipType;
/**
* Macro for initialization checks.
*/
#define PYGAME_SCRAP_INIT_CHECK() \
if(!pygame_scrap_initialized()) \
return (PyErr_SetString (pgExc_SDLError, \
"scrap system not initialized."), NULL)
/**
* \brief Checks, whether the pygame scrap module was initialized.
*
* \return 1 if the modules was initialized, 0 otherwise.
*/
extern int
pygame_scrap_initialized (void);
/**
* \brief Initializes the pygame scrap module internals. Call this before any
* other method.
*
* \return 1 on successful initialization, 0 otherwise.
*/
extern int
pygame_scrap_init (void);
/**
* \brief Checks, whether the pygame window lost the clipboard focus or not.
*
* \return 1 if the window lost the focus, 0 otherwise.
*/
extern int
pygame_scrap_lost (void);
/**
* \brief Places content of a specific type into the clipboard.
*
* \note For X11 the following notes are important: The following types
* are reserved for internal usage and thus will throw an error on
* setting them: "TIMESTAMP", "TARGETS", "SDL_SELECTION".
* Setting PYGAME_SCRAP_TEXT ("text/plain") will also automatically
* set the X11 types "STRING" (XA_STRING), "TEXT" and "UTF8_STRING".
*
* For Win32 the following notes are important: Setting
* PYGAME_SCRAP_TEXT ("text/plain") will also automatically set
* the Win32 type "TEXT" (CF_TEXT).
*
* For QNX the following notes are important: Setting
* PYGAME_SCRAP_TEXT ("text/plain") will also automatically set
* the QNX type "TEXT" (Ph_CL_TEXT).
*
* \param type The type of the content.
* \param srclen The length of the content.
* \param src The NULL terminated content.
* \return 1, if the content could be successfully pasted into the clipboard,
* 0 otherwise.
*/
extern int
pygame_scrap_put (char *type, int srclen, char *src);
/**
* \brief Gets the current content from the clipboard.
*
* \note The received content does not need to be the content previously
* placed in the clipboard using pygame_put_scrap(). See the
* pygame_put_scrap() notes for more details.
*
* \param type The type of the content to receive.
* \param count The size of the returned content.
* \return The content or NULL in case of an error or if no content of the
* specified type was available.
*/
extern char*
pygame_scrap_get (char *type, unsigned long *count);
/**
* \brief Gets the currently available content types from the clipboard.
*
* \return The different available content types or NULL in case of an
* error or if no content type is available.
*/
extern char**
pygame_scrap_get_types (void);
/**
* \brief Checks whether content for the specified scrap type is currently
* available in the clipboard.
*
* \param type The type to check for.
* \return 1, if there is content and 0 otherwise.
*/
extern int
pygame_scrap_contains (char *type);

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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
Copyright (C) 2007 Marcus von Appen
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
#ifndef SURFACE_H
#define SURFACE_H
/* This is defined in SDL.h */
#if defined(_POSIX_C_SOURCE)
#undef _POSIX_C_SOURCE
#endif
#include <SDL.h>
#include "pygame.h"
/* Blend modes */
#define PYGAME_BLEND_ADD 0x1
#define PYGAME_BLEND_SUB 0x2
#define PYGAME_BLEND_MULT 0x3
#define PYGAME_BLEND_MIN 0x4
#define PYGAME_BLEND_MAX 0x5
#define PYGAME_BLEND_RGB_ADD 0x1
#define PYGAME_BLEND_RGB_SUB 0x2
#define PYGAME_BLEND_RGB_MULT 0x3
#define PYGAME_BLEND_RGB_MIN 0x4
#define PYGAME_BLEND_RGB_MAX 0x5
#define PYGAME_BLEND_RGBA_ADD 0x6
#define PYGAME_BLEND_RGBA_SUB 0x7
#define PYGAME_BLEND_RGBA_MULT 0x8
#define PYGAME_BLEND_RGBA_MIN 0x9
#define PYGAME_BLEND_RGBA_MAX 0x10
#define PYGAME_BLEND_PREMULTIPLIED 0x11
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define GET_PIXEL_24(b) (b[0] + (b[1] << 8) + (b[2] << 16))
#else
#define GET_PIXEL_24(b) (b[2] + (b[1] << 8) + (b[0] << 16))
#endif
#define GET_PIXEL(pxl, bpp, source) \
switch (bpp) \
{ \
case 2: \
pxl = *((Uint16 *) (source)); \
break; \
case 4: \
pxl = *((Uint32 *) (source)); \
break; \
default: \
{ \
Uint8 *b = (Uint8 *) source; \
pxl = GET_PIXEL_24(b); \
} \
break; \
}
#if IS_SDLv1
#define GET_PIXELVALS(_sR, _sG, _sB, _sA, px, fmt, ppa) \
_sR = ((px & fmt->Rmask) >> fmt->Rshift); \
_sR = (_sR << fmt->Rloss) + (_sR >> (8 - (fmt->Rloss << 1))); \
_sG = ((px & fmt->Gmask) >> fmt->Gshift); \
_sG = (_sG << fmt->Gloss) + (_sG >> (8 - (fmt->Gloss << 1))); \
_sB = ((px & fmt->Bmask) >> fmt->Bshift); \
_sB = (_sB << fmt->Bloss) + (_sB >> (8 - (fmt->Bloss << 1))); \
if (ppa) \
{ \
_sA = ((px & fmt->Amask) >> fmt->Ashift); \
_sA = (_sA << fmt->Aloss) + (_sA >> (8 - (fmt->Aloss << 1))); \
} \
else \
{ \
_sA = 255; \
}
#define GET_PIXELVALS_1(sr, sg, sb, sa, _src, _fmt) \
sr = _fmt->palette->colors[*((Uint8 *) (_src))].r; \
sg = _fmt->palette->colors[*((Uint8 *) (_src))].g; \
sb = _fmt->palette->colors[*((Uint8 *) (_src))].b; \
sa = 255;
/* For 1 byte palette pixels */
#define SET_PIXELVAL(px, fmt, _dR, _dG, _dB, _dA) \
*(px) = (Uint8) SDL_MapRGB(fmt, _dR, _dG, _dB)
#else /* IS_SDLv2 */
#define GET_PIXELVALS(_sR, _sG, _sB, _sA, px, fmt, ppa) \
SDL_GetRGBA(px, fmt, &(_sR), &(_sG), &(_sB), &(_sA)); \
if (!ppa) { \
_sA = 255; \
}
#define GET_PIXELVALS_1(sr, sg, sb, sa, _src, _fmt) \
sr = _fmt->palette->colors[*((Uint8 *) (_src))].r; \
sg = _fmt->palette->colors[*((Uint8 *) (_src))].g; \
sb = _fmt->palette->colors[*((Uint8 *) (_src))].b; \
sa = 255;
/* For 1 byte palette pixels */
#define SET_PIXELVAL(px, fmt, _dR, _dG, _dB, _dA) \
*(px) = (Uint8) SDL_MapRGBA(fmt, _dR, _dG, _dB, _dA)
#endif /* IS_SDLv2 */
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define SET_OFFSETS_24(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 0 : \
fmt->Rshift == 8 ? 1 : \
2 ); \
og = (fmt->Gshift == 0 ? 0 : \
fmt->Gshift == 8 ? 1 : \
2 ); \
ob = (fmt->Bshift == 0 ? 0 : \
fmt->Bshift == 8 ? 1 : \
2 ); \
}
#define SET_OFFSETS_32(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 0 : \
fmt->Rshift == 8 ? 1 : \
fmt->Rshift == 16 ? 2 : \
3 ); \
og = (fmt->Gshift == 0 ? 0 : \
fmt->Gshift == 8 ? 1 : \
fmt->Gshift == 16 ? 2 : \
3 ); \
ob = (fmt->Bshift == 0 ? 0 : \
fmt->Bshift == 8 ? 1 : \
fmt->Bshift == 16 ? 2 : \
3 ); \
}
#else
#define SET_OFFSETS_24(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 2 : \
fmt->Rshift == 8 ? 1 : \
0 ); \
og = (fmt->Gshift == 0 ? 2 : \
fmt->Gshift == 8 ? 1 : \
0 ); \
ob = (fmt->Bshift == 0 ? 2 : \
fmt->Bshift == 8 ? 1 : \
0 ); \
}
#define SET_OFFSETS_32(or, og, ob, fmt) \
{ \
or = (fmt->Rshift == 0 ? 3 : \
fmt->Rshift == 8 ? 2 : \
fmt->Rshift == 16 ? 1 : \
0 ); \
og = (fmt->Gshift == 0 ? 3 : \
fmt->Gshift == 8 ? 2 : \
fmt->Gshift == 16 ? 1 : \
0 ); \
ob = (fmt->Bshift == 0 ? 3 : \
fmt->Bshift == 8 ? 2 : \
fmt->Bshift == 16 ? 1 : \
0 ); \
}
#endif
#define CREATE_PIXEL(buf, r, g, b, a, bp, ft) \
switch (bp) \
{ \
case 2: \
*((Uint16 *) (buf)) = \
((r >> ft->Rloss) << ft->Rshift) | \
((g >> ft->Gloss) << ft->Gshift) | \
((b >> ft->Bloss) << ft->Bshift) | \
((a >> ft->Aloss) << ft->Ashift); \
break; \
case 4: \
*((Uint32 *) (buf)) = \
((r >> ft->Rloss) << ft->Rshift) | \
((g >> ft->Gloss) << ft->Gshift) | \
((b >> ft->Bloss) << ft->Bshift) | \
((a >> ft->Aloss) << ft->Ashift); \
break; \
}
/* Pretty good idea from Tom Duff :-). */
#define LOOP_UNROLLED4(code, n, width) \
n = (width + 3) / 4; \
switch (width & 3) \
{ \
case 0: do { code; \
case 3: code; \
case 2: code; \
case 1: code; \
} while (--n > 0); \
}
/* Used in the srcbpp == dstbpp == 1 blend functions */
#define REPEAT_3(code) \
code; \
code; \
code;
#define REPEAT_4(code) \
code; \
code; \
code; \
code;
#define BLEND_ADD(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR + sR; dR = (tmp <= 255 ? tmp : 255); \
tmp = dG + sG; dG = (tmp <= 255 ? tmp : 255); \
tmp = dB + sB; dB = (tmp <= 255 ? tmp : 255);
#define BLEND_SUB(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR - sR; dR = (tmp >= 0 ? tmp : 0); \
tmp = dG - sG; dG = (tmp >= 0 ? tmp : 0); \
tmp = dB - sB; dB = (tmp >= 0 ? tmp : 0);
#define BLEND_MULT(sR, sG, sB, sA, dR, dG, dB, dA) \
dR = (dR && sR) ? (dR * sR) >> 8 : 0; \
dG = (dG && sG) ? (dG * sG) >> 8 : 0; \
dB = (dB && sB) ? (dB * sB) >> 8 : 0;
#define BLEND_MIN(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR < dR) { dR = sR; } \
if(sG < dG) { dG = sG; } \
if(sB < dB) { dB = sB; }
#define BLEND_MAX(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR > dR) { dR = sR; } \
if(sG > dG) { dG = sG; } \
if(sB > dB) { dB = sB; }
#define BLEND_RGBA_ADD(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR + sR; dR = (tmp <= 255 ? tmp : 255); \
tmp = dG + sG; dG = (tmp <= 255 ? tmp : 255); \
tmp = dB + sB; dB = (tmp <= 255 ? tmp : 255); \
tmp = dA + sA; dA = (tmp <= 255 ? tmp : 255);
#define BLEND_RGBA_SUB(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
tmp = dR - sR; dR = (tmp >= 0 ? tmp : 0); \
tmp = dG - sG; dG = (tmp >= 0 ? tmp : 0); \
tmp = dB - sB; dB = (tmp >= 0 ? tmp : 0); \
tmp = dA - sA; dA = (tmp >= 0 ? tmp : 0);
#define BLEND_RGBA_MULT(sR, sG, sB, sA, dR, dG, dB, dA) \
dR = (dR && sR) ? (dR * sR) >> 8 : 0; \
dG = (dG && sG) ? (dG * sG) >> 8 : 0; \
dB = (dB && sB) ? (dB * sB) >> 8 : 0; \
dA = (dA && sA) ? (dA * sA) >> 8 : 0;
#define BLEND_RGBA_MIN(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR < dR) { dR = sR; } \
if(sG < dG) { dG = sG; } \
if(sB < dB) { dB = sB; } \
if(sA < dA) { dA = sA; }
#define BLEND_RGBA_MAX(sR, sG, sB, sA, dR, dG, dB, dA) \
if(sR > dR) { dR = sR; } \
if(sG > dG) { dG = sG; } \
if(sB > dB) { dB = sB; } \
if(sA > dA) { dA = sA; }
#if 1
/* Choose an alpha blend equation. If the sign is preserved on a right shift
* then use a specialized, faster, equation. Otherwise a more general form,
* where all additions are done before the shift, is needed.
*/
#if (-1 >> 1) < 0
#define ALPHA_BLEND_COMP(sC, dC, sA) ((((sC - dC) * sA + sC) >> 8) + dC)
#else
#define ALPHA_BLEND_COMP(sC, dC, sA) (((dC << 8) + (sC - dC) * sA + sC) >> 8)
#endif
#define ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB, dA) \
do { \
if (dA) \
{ \
dR = ALPHA_BLEND_COMP(sR, dR, sA); \
dG = ALPHA_BLEND_COMP(sG, dG, sA); \
dB = ALPHA_BLEND_COMP(sB, dB, sA); \
dA = sA + dA - ((sA * dA) / 255); \
} \
else \
{ \
dR = sR; \
dG = sG; \
dB = sB; \
dA = sA; \
} \
} while(0)
#define ALPHA_BLEND_PREMULTIPLIED_COMP(sC, dC, sA) (sC + dC - ((dC * sA) >> 8))
#define ALPHA_BLEND_PREMULTIPLIED(tmp, sR, sG, sB, sA, dR, dG, dB, dA) \
do { \
tmp = ALPHA_BLEND_PREMULTIPLIED_COMP(sR, dR, sA); dR = (tmp > 255 ? 255 : tmp); \
tmp = ALPHA_BLEND_PREMULTIPLIED_COMP(sG, dG, sA); dG = (tmp > 255 ? 255 : tmp); \
tmp = ALPHA_BLEND_PREMULTIPLIED_COMP(sB, dB, sA); dB = (tmp > 255 ? 255 : tmp); \
dA = sA + dA - ((sA * dA) / 255); \
} while(0)
#elif 0
#define ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB, dA) \
do { \
if(sA){ \
if(dA && sA < 255){ \
int dContrib = dA*(255 - sA)/255; \
dA = sA+dA - ((sA*dA)/255); \
dR = (dR*dContrib + sR*sA)/dA; \
dG = (dG*dContrib + sG*sA)/dA; \
dB = (dB*dContrib + sB*sA)/dA; \
}else{ \
dR = sR; \
dG = sG; \
dB = sB; \
dA = sA; \
} \
} \
} while(0)
#endif
int
surface_fill_blend (SDL_Surface *surface, SDL_Rect *rect, Uint32 color,
int blendargs);
void
surface_respect_clip_rect (SDL_Surface *surface, SDL_Rect *rect);
int
pygame_AlphaBlit (SDL_Surface * src, SDL_Rect * srcrect,
SDL_Surface * dst, SDL_Rect * dstrect, int the_args);
int
pygame_Blit (SDL_Surface * src, SDL_Rect * srcrect,
SDL_Surface * dst, SDL_Rect * dstrect, int the_args);
#endif /* SURFACE_H */

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./setuptools-40.8.0-py3.7.egg
./pip-19.0.3-py3.7.egg

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Metadata-Version: 1.2
Name: pip
Version: 19.0.3
Summary: The PyPA recommended tool for installing Python packages.
Home-page: https://pip.pypa.io/
Author: The pip developers
Author-email: pypa-dev@groups.google.com
License: MIT
Description: pip - The Python Package Installer
==================================
.. image:: https://img.shields.io/pypi/v/pip.svg
:target: https://pypi.org/project/pip/
.. image:: https://readthedocs.org/projects/pip/badge/?version=latest
:target: https://pip.pypa.io/en/latest
pip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.
Please take a look at our documentation for how to install and use pip:
* `Installation`_
* `Usage`_
* `Release notes`_
If you find bugs, need help, or want to talk to the developers please use our mailing lists or chat rooms:
* `Issue tracking`_
* `Discourse channel`_
* `User IRC`_
If you want to get involved head over to GitHub to get the source code and feel free to jump on the developer mailing lists and chat rooms:
* `GitHub page`_
* `Dev mailing list`_
* `Dev IRC`_
Code of Conduct
---------------
Everyone interacting in the pip project's codebases, issue trackers, chat
rooms, and mailing lists is expected to follow the `PyPA Code of Conduct`_.
.. _package installer: https://packaging.python.org/en/latest/current/
.. _Python Package Index: https://pypi.org
.. _Installation: https://pip.pypa.io/en/stable/installing.html
.. _Usage: https://pip.pypa.io/en/stable/
.. _Release notes: https://pip.pypa.io/en/stable/news.html
.. _GitHub page: https://github.com/pypa/pip
.. _Issue tracking: https://github.com/pypa/pip/issues
.. _Discourse channel: https://discuss.python.org/c/packaging
.. _Dev mailing list: https://groups.google.com/forum/#!forum/pypa-dev
.. _User IRC: https://webchat.freenode.net/?channels=%23pypa
.. _Dev IRC: https://webchat.freenode.net/?channels=%23pypa-dev
.. _PyPA Code of Conduct: https://www.pypa.io/en/latest/code-of-conduct/
Keywords: distutils easy_install egg setuptools wheel virtualenv
Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Topic :: Software Development :: Build Tools
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.4
Classifier: Programming Language :: Python :: 3.5
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Requires-Python: >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*

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AUTHORS.txt
LICENSE.txt
MANIFEST.in
NEWS.rst
README.rst
pyproject.toml
setup.cfg
setup.py
docs/pip_sphinxext.py
docs/html/conf.py
docs/html/cookbook.rst
docs/html/index.rst
docs/html/installing.rst
docs/html/logic.rst
docs/html/news.rst
docs/html/quickstart.rst
docs/html/usage.rst
docs/html/user_guide.rst
docs/html/development/configuration.rst
docs/html/development/contributing.rst
docs/html/development/getting-started.rst
docs/html/development/index.rst
docs/html/development/release-process.rst
docs/html/development/vendoring-policy.rst
docs/html/reference/index.rst
docs/html/reference/pip.rst
docs/html/reference/pip_check.rst
docs/html/reference/pip_config.rst
docs/html/reference/pip_download.rst
docs/html/reference/pip_freeze.rst
docs/html/reference/pip_hash.rst
docs/html/reference/pip_install.rst
docs/html/reference/pip_list.rst
docs/html/reference/pip_search.rst
docs/html/reference/pip_show.rst
docs/html/reference/pip_uninstall.rst
docs/html/reference/pip_wheel.rst
docs/man/index.rst
docs/man/commands/check.rst
docs/man/commands/config.rst
docs/man/commands/download.rst
docs/man/commands/freeze.rst
docs/man/commands/hash.rst
docs/man/commands/help.rst
docs/man/commands/install.rst
docs/man/commands/list.rst
docs/man/commands/search.rst
docs/man/commands/show.rst
docs/man/commands/uninstall.rst
docs/man/commands/wheel.rst
src/pip/__init__.py
src/pip/__main__.py
src/pip.egg-info/PKG-INFO
src/pip.egg-info/SOURCES.txt
src/pip.egg-info/dependency_links.txt
src/pip.egg-info/entry_points.txt
src/pip.egg-info/not-zip-safe
src/pip.egg-info/top_level.txt
src/pip/_internal/__init__.py
src/pip/_internal/build_env.py
src/pip/_internal/cache.py
src/pip/_internal/configuration.py
src/pip/_internal/download.py
src/pip/_internal/exceptions.py
src/pip/_internal/index.py
src/pip/_internal/locations.py
src/pip/_internal/pep425tags.py
src/pip/_internal/pyproject.py
src/pip/_internal/resolve.py
src/pip/_internal/wheel.py
src/pip/_internal/cli/__init__.py
src/pip/_internal/cli/autocompletion.py
src/pip/_internal/cli/base_command.py
src/pip/_internal/cli/cmdoptions.py
src/pip/_internal/cli/main_parser.py
src/pip/_internal/cli/parser.py
src/pip/_internal/cli/status_codes.py
src/pip/_internal/commands/__init__.py
src/pip/_internal/commands/check.py
src/pip/_internal/commands/completion.py
src/pip/_internal/commands/configuration.py
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src/pip/_internal/commands/help.py
src/pip/_internal/commands/install.py
src/pip/_internal/commands/list.py
src/pip/_internal/commands/search.py
src/pip/_internal/commands/show.py
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src/pip/_internal/models/candidate.py
src/pip/_internal/models/format_control.py
src/pip/_internal/models/index.py
src/pip/_internal/models/link.py
src/pip/_internal/operations/__init__.py
src/pip/_internal/operations/check.py
src/pip/_internal/operations/freeze.py
src/pip/_internal/operations/prepare.py
src/pip/_internal/req/__init__.py
src/pip/_internal/req/constructors.py
src/pip/_internal/req/req_file.py
src/pip/_internal/req/req_install.py
src/pip/_internal/req/req_set.py
src/pip/_internal/req/req_tracker.py
src/pip/_internal/req/req_uninstall.py
src/pip/_internal/utils/__init__.py
src/pip/_internal/utils/appdirs.py
src/pip/_internal/utils/compat.py
src/pip/_internal/utils/deprecation.py
src/pip/_internal/utils/encoding.py
src/pip/_internal/utils/filesystem.py
src/pip/_internal/utils/glibc.py
src/pip/_internal/utils/hashes.py
src/pip/_internal/utils/logging.py
src/pip/_internal/utils/misc.py
src/pip/_internal/utils/models.py
src/pip/_internal/utils/outdated.py
src/pip/_internal/utils/packaging.py
src/pip/_internal/utils/setuptools_build.py
src/pip/_internal/utils/temp_dir.py
src/pip/_internal/utils/typing.py
src/pip/_internal/utils/ui.py
src/pip/_internal/vcs/__init__.py
src/pip/_internal/vcs/bazaar.py
src/pip/_internal/vcs/git.py
src/pip/_internal/vcs/mercurial.py
src/pip/_internal/vcs/subversion.py
src/pip/_vendor/README.rst
src/pip/_vendor/__init__.py
src/pip/_vendor/appdirs.LICENSE.txt
src/pip/_vendor/appdirs.py
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src/pip/_vendor/distro.py
src/pip/_vendor/ipaddress.LICENSE
src/pip/_vendor/ipaddress.py
src/pip/_vendor/pyparsing.LICENSE
src/pip/_vendor/pyparsing.py
src/pip/_vendor/retrying.LICENSE
src/pip/_vendor/retrying.py
src/pip/_vendor/six.LICENSE
src/pip/_vendor/six.py
src/pip/_vendor/vendor.txt
src/pip/_vendor/cachecontrol/LICENSE.txt
src/pip/_vendor/cachecontrol/__init__.py
src/pip/_vendor/cachecontrol/_cmd.py
src/pip/_vendor/cachecontrol/adapter.py
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src/pip/_vendor/cachecontrol/compat.py
src/pip/_vendor/cachecontrol/controller.py
src/pip/_vendor/cachecontrol/filewrapper.py
src/pip/_vendor/cachecontrol/heuristics.py
src/pip/_vendor/cachecontrol/serialize.py
src/pip/_vendor/cachecontrol/wrapper.py
src/pip/_vendor/cachecontrol/caches/__init__.py
src/pip/_vendor/cachecontrol/caches/file_cache.py
src/pip/_vendor/cachecontrol/caches/redis_cache.py
src/pip/_vendor/certifi/LICENSE
src/pip/_vendor/certifi/__init__.py
src/pip/_vendor/certifi/__main__.py
src/pip/_vendor/certifi/cacert.pem
src/pip/_vendor/certifi/core.py
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src/pip/_vendor/chardet/big5freq.py
src/pip/_vendor/chardet/big5prober.py
src/pip/_vendor/chardet/chardistribution.py
src/pip/_vendor/chardet/charsetgroupprober.py
src/pip/_vendor/chardet/charsetprober.py
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src/pip/_vendor/chardet/compat.py
src/pip/_vendor/chardet/cp949prober.py
src/pip/_vendor/chardet/enums.py
src/pip/_vendor/chardet/escprober.py
src/pip/_vendor/chardet/escsm.py
src/pip/_vendor/chardet/eucjpprober.py
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src/pip/_vendor/chardet/euctwfreq.py
src/pip/_vendor/chardet/euctwprober.py
src/pip/_vendor/chardet/gb2312freq.py
src/pip/_vendor/chardet/gb2312prober.py
src/pip/_vendor/chardet/hebrewprober.py
src/pip/_vendor/chardet/jisfreq.py
src/pip/_vendor/chardet/jpcntx.py
src/pip/_vendor/chardet/langbulgarianmodel.py
src/pip/_vendor/chardet/langcyrillicmodel.py
src/pip/_vendor/chardet/langgreekmodel.py
src/pip/_vendor/chardet/langhebrewmodel.py
src/pip/_vendor/chardet/langhungarianmodel.py
src/pip/_vendor/chardet/langthaimodel.py
src/pip/_vendor/chardet/langturkishmodel.py
src/pip/_vendor/chardet/latin1prober.py
src/pip/_vendor/chardet/mbcharsetprober.py
src/pip/_vendor/chardet/mbcsgroupprober.py
src/pip/_vendor/chardet/mbcssm.py
src/pip/_vendor/chardet/sbcharsetprober.py
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src/pip/_vendor/chardet/sjisprober.py
src/pip/_vendor/chardet/universaldetector.py
src/pip/_vendor/chardet/utf8prober.py
src/pip/_vendor/chardet/version.py
src/pip/_vendor/chardet/cli/__init__.py
src/pip/_vendor/chardet/cli/chardetect.py
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src/pip/_vendor/colorama/ansi.py
src/pip/_vendor/colorama/ansitowin32.py
src/pip/_vendor/colorama/initialise.py
src/pip/_vendor/colorama/win32.py
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src/pip/_vendor/distlib/database.py
src/pip/_vendor/distlib/index.py
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src/pip/_vendor/distlib/manifest.py
src/pip/_vendor/distlib/markers.py
src/pip/_vendor/distlib/metadata.py
src/pip/_vendor/distlib/resources.py
src/pip/_vendor/distlib/scripts.py
src/pip/_vendor/distlib/t32.exe
src/pip/_vendor/distlib/t64.exe
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src/pip/_vendor/distlib/version.py
src/pip/_vendor/distlib/w32.exe
src/pip/_vendor/distlib/w64.exe
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src/pip/_vendor/distlib/_backport/shutil.py
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src/pip/_vendor/distlib/_backport/sysconfig.py
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src/pip/_vendor/html5lib/_ihatexml.py
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src/pip/_vendor/html5lib/_trie/_base.py
src/pip/_vendor/html5lib/_trie/datrie.py
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src/pip/_vendor/html5lib/filters/inject_meta_charset.py
src/pip/_vendor/html5lib/filters/lint.py
src/pip/_vendor/html5lib/filters/optionaltags.py
src/pip/_vendor/html5lib/filters/sanitizer.py
src/pip/_vendor/html5lib/filters/whitespace.py
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src/pip/_vendor/html5lib/treeadapters/genshi.py
src/pip/_vendor/html5lib/treeadapters/sax.py
src/pip/_vendor/html5lib/treebuilders/__init__.py
src/pip/_vendor/html5lib/treebuilders/base.py
src/pip/_vendor/html5lib/treebuilders/dom.py
src/pip/_vendor/html5lib/treebuilders/etree.py
src/pip/_vendor/html5lib/treebuilders/etree_lxml.py
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src/pip/_vendor/html5lib/treewalkers/base.py
src/pip/_vendor/html5lib/treewalkers/dom.py
src/pip/_vendor/html5lib/treewalkers/etree.py
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src/pip/_vendor/packaging/LICENSE
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src/pip/_vendor/packaging/LICENSE.BSD
src/pip/_vendor/packaging/__about__.py
src/pip/_vendor/packaging/__init__.py
src/pip/_vendor/packaging/_compat.py
src/pip/_vendor/packaging/_structures.py
src/pip/_vendor/packaging/markers.py
src/pip/_vendor/packaging/requirements.py
src/pip/_vendor/packaging/specifiers.py
src/pip/_vendor/packaging/utils.py
src/pip/_vendor/packaging/version.py
src/pip/_vendor/pep517/LICENSE
src/pip/_vendor/pep517/__init__.py
src/pip/_vendor/pep517/_in_process.py
src/pip/_vendor/pep517/build.py
src/pip/_vendor/pep517/check.py
src/pip/_vendor/pep517/colorlog.py
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src/pip/_vendor/progress/counter.py
src/pip/_vendor/progress/helpers.py
src/pip/_vendor/progress/spinner.py
src/pip/_vendor/pytoml/LICENSE
src/pip/_vendor/pytoml/__init__.py
src/pip/_vendor/pytoml/core.py
src/pip/_vendor/pytoml/parser.py
src/pip/_vendor/pytoml/test.py
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src/pip/_vendor/requests/LICENSE
src/pip/_vendor/requests/__init__.py
src/pip/_vendor/requests/__version__.py
src/pip/_vendor/requests/_internal_utils.py
src/pip/_vendor/requests/adapters.py
src/pip/_vendor/requests/api.py
src/pip/_vendor/requests/auth.py
src/pip/_vendor/requests/certs.py
src/pip/_vendor/requests/compat.py
src/pip/_vendor/requests/cookies.py
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src/pip/_vendor/requests/help.py
src/pip/_vendor/requests/hooks.py
src/pip/_vendor/requests/models.py
src/pip/_vendor/requests/packages.py
src/pip/_vendor/requests/sessions.py
src/pip/_vendor/requests/status_codes.py
src/pip/_vendor/requests/structures.py
src/pip/_vendor/requests/utils.py
src/pip/_vendor/urllib3/LICENSE.txt
src/pip/_vendor/urllib3/__init__.py
src/pip/_vendor/urllib3/_collections.py
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src/pip/_vendor/urllib3/contrib/__init__.py
src/pip/_vendor/urllib3/contrib/_appengine_environ.py
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src/pip/_vendor/urllib3/contrib/pyopenssl.py
src/pip/_vendor/urllib3/contrib/securetransport.py
src/pip/_vendor/urllib3/contrib/socks.py
src/pip/_vendor/urllib3/contrib/_securetransport/__init__.py
src/pip/_vendor/urllib3/contrib/_securetransport/bindings.py
src/pip/_vendor/urllib3/contrib/_securetransport/low_level.py
src/pip/_vendor/urllib3/packages/__init__.py
src/pip/_vendor/urllib3/packages/six.py
src/pip/_vendor/urllib3/packages/backports/__init__.py
src/pip/_vendor/urllib3/packages/backports/makefile.py
src/pip/_vendor/urllib3/packages/ssl_match_hostname/__init__.py
src/pip/_vendor/urllib3/packages/ssl_match_hostname/_implementation.py
src/pip/_vendor/urllib3/util/__init__.py
src/pip/_vendor/urllib3/util/connection.py
src/pip/_vendor/urllib3/util/queue.py
src/pip/_vendor/urllib3/util/request.py
src/pip/_vendor/urllib3/util/response.py
src/pip/_vendor/urllib3/util/retry.py
src/pip/_vendor/urllib3/util/ssl_.py
src/pip/_vendor/urllib3/util/timeout.py
src/pip/_vendor/urllib3/util/url.py
src/pip/_vendor/urllib3/util/wait.py
src/pip/_vendor/webencodings/LICENSE
src/pip/_vendor/webencodings/__init__.py
src/pip/_vendor/webencodings/labels.py
src/pip/_vendor/webencodings/mklabels.py
src/pip/_vendor/webencodings/tests.py
src/pip/_vendor/webencodings/x_user_defined.py

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[console_scripts]
pip = pip._internal:main
pip3 = pip._internal:main
pip3.7 = pip._internal:main

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pip

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__version__ = "19.0.3"

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from __future__ import absolute_import
import os
import sys
# If we are running from a wheel, add the wheel to sys.path
# This allows the usage python pip-*.whl/pip install pip-*.whl
if __package__ == '':
# __file__ is pip-*.whl/pip/__main__.py
# first dirname call strips of '/__main__.py', second strips off '/pip'
# Resulting path is the name of the wheel itself
# Add that to sys.path so we can import pip
path = os.path.dirname(os.path.dirname(__file__))
sys.path.insert(0, path)
from pip._internal import main as _main # isort:skip # noqa
if __name__ == '__main__':
sys.exit(_main())

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#!/usr/bin/env python
from __future__ import absolute_import
import locale
import logging
import os
import warnings
import sys
# 2016-06-17 barry@debian.org: urllib3 1.14 added optional support for socks,
# but if invoked (i.e. imported), it will issue a warning to stderr if socks
# isn't available. requests unconditionally imports urllib3's socks contrib
# module, triggering this warning. The warning breaks DEP-8 tests (because of
# the stderr output) and is just plain annoying in normal usage. I don't want
# to add socks as yet another dependency for pip, nor do I want to allow-stder
# in the DEP-8 tests, so just suppress the warning. pdb tells me this has to
# be done before the import of pip.vcs.
from pip._vendor.urllib3.exceptions import DependencyWarning
warnings.filterwarnings("ignore", category=DependencyWarning) # noqa
# We want to inject the use of SecureTransport as early as possible so that any
# references or sessions or what have you are ensured to have it, however we
# only want to do this in the case that we're running on macOS and the linked
# OpenSSL is too old to handle TLSv1.2
try:
import ssl
except ImportError:
pass
else:
# Checks for OpenSSL 1.0.1 on MacOS
if sys.platform == "darwin" and ssl.OPENSSL_VERSION_NUMBER < 0x1000100f:
try:
from pip._vendor.urllib3.contrib import securetransport
except (ImportError, OSError):
pass
else:
securetransport.inject_into_urllib3()
from pip._internal.cli.autocompletion import autocomplete
from pip._internal.cli.main_parser import parse_command
from pip._internal.commands import commands_dict
from pip._internal.exceptions import PipError
from pip._internal.utils import deprecation
from pip._internal.vcs import git, mercurial, subversion, bazaar # noqa
from pip._vendor.urllib3.exceptions import InsecureRequestWarning
logger = logging.getLogger(__name__)
# Hide the InsecureRequestWarning from urllib3
warnings.filterwarnings("ignore", category=InsecureRequestWarning)
def main(args=None):
if args is None:
args = sys.argv[1:]
# Configure our deprecation warnings to be sent through loggers
deprecation.install_warning_logger()
autocomplete()
try:
cmd_name, cmd_args = parse_command(args)
except PipError as exc:
sys.stderr.write("ERROR: %s" % exc)
sys.stderr.write(os.linesep)
sys.exit(1)
# Needed for locale.getpreferredencoding(False) to work
# in pip._internal.utils.encoding.auto_decode
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error as e:
# setlocale can apparently crash if locale are uninitialized
logger.debug("Ignoring error %s when setting locale", e)
command = commands_dict[cmd_name](isolated=("--isolated" in cmd_args))
return command.main(cmd_args)

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"""Build Environment used for isolation during sdist building
"""
import logging
import os
import sys
import textwrap
from collections import OrderedDict
from distutils.sysconfig import get_python_lib
from sysconfig import get_paths
from pip._vendor.pkg_resources import Requirement, VersionConflict, WorkingSet
from pip import __file__ as pip_location
from pip._internal.utils.misc import call_subprocess
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.utils.ui import open_spinner
if MYPY_CHECK_RUNNING:
from typing import Tuple, Set, Iterable, Optional, List # noqa: F401
from pip._internal.index import PackageFinder # noqa: F401
logger = logging.getLogger(__name__)
class _Prefix:
def __init__(self, path):
# type: (str) -> None
self.path = path
self.setup = False
self.bin_dir = get_paths(
'nt' if os.name == 'nt' else 'posix_prefix',
vars={'base': path, 'platbase': path}
)['scripts']
# Note: prefer distutils' sysconfig to get the
# library paths so PyPy is correctly supported.
purelib = get_python_lib(plat_specific=False, prefix=path)
platlib = get_python_lib(plat_specific=True, prefix=path)
if purelib == platlib:
self.lib_dirs = [purelib]
else:
self.lib_dirs = [purelib, platlib]
class BuildEnvironment(object):
"""Creates and manages an isolated environment to install build deps
"""
def __init__(self):
# type: () -> None
self._temp_dir = TempDirectory(kind="build-env")
self._temp_dir.create()
self._prefixes = OrderedDict((
(name, _Prefix(os.path.join(self._temp_dir.path, name)))
for name in ('normal', 'overlay')
))
self._bin_dirs = [] # type: List[str]
self._lib_dirs = [] # type: List[str]
for prefix in reversed(list(self._prefixes.values())):
self._bin_dirs.append(prefix.bin_dir)
self._lib_dirs.extend(prefix.lib_dirs)
# Customize site to:
# - ensure .pth files are honored
# - prevent access to system site packages
system_sites = {
os.path.normcase(site) for site in (
get_python_lib(plat_specific=False),
get_python_lib(plat_specific=True),
)
}
self._site_dir = os.path.join(self._temp_dir.path, 'site')
if not os.path.exists(self._site_dir):
os.mkdir(self._site_dir)
with open(os.path.join(self._site_dir, 'sitecustomize.py'), 'w') as fp:
fp.write(textwrap.dedent(
'''
import os, site, sys
# First, drop system-sites related paths.
original_sys_path = sys.path[:]
known_paths = set()
for path in {system_sites!r}:
site.addsitedir(path, known_paths=known_paths)
system_paths = set(
os.path.normcase(path)
for path in sys.path[len(original_sys_path):]
)
original_sys_path = [
path for path in original_sys_path
if os.path.normcase(path) not in system_paths
]
sys.path = original_sys_path
# Second, add lib directories.
# ensuring .pth file are processed.
for path in {lib_dirs!r}:
assert not path in sys.path
site.addsitedir(path)
'''
).format(system_sites=system_sites, lib_dirs=self._lib_dirs))
def __enter__(self):
self._save_env = {
name: os.environ.get(name, None)
for name in ('PATH', 'PYTHONNOUSERSITE', 'PYTHONPATH')
}
path = self._bin_dirs[:]
old_path = self._save_env['PATH']
if old_path:
path.extend(old_path.split(os.pathsep))
pythonpath = [self._site_dir]
os.environ.update({
'PATH': os.pathsep.join(path),
'PYTHONNOUSERSITE': '1',
'PYTHONPATH': os.pathsep.join(pythonpath),
})
def __exit__(self, exc_type, exc_val, exc_tb):
for varname, old_value in self._save_env.items():
if old_value is None:
os.environ.pop(varname, None)
else:
os.environ[varname] = old_value
def cleanup(self):
# type: () -> None
self._temp_dir.cleanup()
def check_requirements(self, reqs):
# type: (Iterable[str]) -> Tuple[Set[Tuple[str, str]], Set[str]]
"""Return 2 sets:
- conflicting requirements: set of (installed, wanted) reqs tuples
- missing requirements: set of reqs
"""
missing = set()
conflicting = set()
if reqs:
ws = WorkingSet(self._lib_dirs)
for req in reqs:
try:
if ws.find(Requirement.parse(req)) is None:
missing.add(req)
except VersionConflict as e:
conflicting.add((str(e.args[0].as_requirement()),
str(e.args[1])))
return conflicting, missing
def install_requirements(
self,
finder, # type: PackageFinder
requirements, # type: Iterable[str]
prefix_as_string, # type: str
message # type: Optional[str]
):
# type: (...) -> None
prefix = self._prefixes[prefix_as_string]
assert not prefix.setup
prefix.setup = True
if not requirements:
return
args = [
sys.executable, os.path.dirname(pip_location), 'install',
'--ignore-installed', '--no-user', '--prefix', prefix.path,
'--no-warn-script-location',
] # type: List[str]
if logger.getEffectiveLevel() <= logging.DEBUG:
args.append('-v')
for format_control in ('no_binary', 'only_binary'):
formats = getattr(finder.format_control, format_control)
args.extend(('--' + format_control.replace('_', '-'),
','.join(sorted(formats or {':none:'}))))
if finder.index_urls:
args.extend(['-i', finder.index_urls[0]])
for extra_index in finder.index_urls[1:]:
args.extend(['--extra-index-url', extra_index])
else:
args.append('--no-index')
for link in finder.find_links:
args.extend(['--find-links', link])
for _, host, _ in finder.secure_origins:
args.extend(['--trusted-host', host])
if finder.allow_all_prereleases:
args.append('--pre')
args.append('--')
args.extend(requirements)
with open_spinner(message) as spinner:
call_subprocess(args, show_stdout=False, spinner=spinner)
class NoOpBuildEnvironment(BuildEnvironment):
"""A no-op drop-in replacement for BuildEnvironment
"""
def __init__(self):
pass
def __enter__(self):
pass
def __exit__(self, exc_type, exc_val, exc_tb):
pass
def cleanup(self):
pass
def install_requirements(self, finder, requirements, prefix, message):
raise NotImplementedError()

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"""Cache Management
"""
import errno
import hashlib
import logging
import os
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.download import path_to_url
from pip._internal.models.link import Link
from pip._internal.utils.compat import expanduser
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.wheel import InvalidWheelFilename, Wheel
if MYPY_CHECK_RUNNING:
from typing import Optional, Set, List, Any # noqa: F401
from pip._internal.index import FormatControl # noqa: F401
logger = logging.getLogger(__name__)
class Cache(object):
"""An abstract class - provides cache directories for data from links
:param cache_dir: The root of the cache.
:param format_control: An object of FormatControl class to limit
binaries being read from the cache.
:param allowed_formats: which formats of files the cache should store.
('binary' and 'source' are the only allowed values)
"""
def __init__(self, cache_dir, format_control, allowed_formats):
# type: (str, FormatControl, Set[str]) -> None
super(Cache, self).__init__()
self.cache_dir = expanduser(cache_dir) if cache_dir else None
self.format_control = format_control
self.allowed_formats = allowed_formats
_valid_formats = {"source", "binary"}
assert self.allowed_formats.union(_valid_formats) == _valid_formats
def _get_cache_path_parts(self, link):
# type: (Link) -> List[str]
"""Get parts of part that must be os.path.joined with cache_dir
"""
# We want to generate an url to use as our cache key, we don't want to
# just re-use the URL because it might have other items in the fragment
# and we don't care about those.
key_parts = [link.url_without_fragment]
if link.hash_name is not None and link.hash is not None:
key_parts.append("=".join([link.hash_name, link.hash]))
key_url = "#".join(key_parts)
# Encode our key url with sha224, we'll use this because it has similar
# security properties to sha256, but with a shorter total output (and
# thus less secure). However the differences don't make a lot of
# difference for our use case here.
hashed = hashlib.sha224(key_url.encode()).hexdigest()
# We want to nest the directories some to prevent having a ton of top
# level directories where we might run out of sub directories on some
# FS.
parts = [hashed[:2], hashed[2:4], hashed[4:6], hashed[6:]]
return parts
def _get_candidates(self, link, package_name):
# type: (Link, Optional[str]) -> List[Any]
can_not_cache = (
not self.cache_dir or
not package_name or
not link
)
if can_not_cache:
return []
canonical_name = canonicalize_name(package_name)
formats = self.format_control.get_allowed_formats(
canonical_name
)
if not self.allowed_formats.intersection(formats):
return []
root = self.get_path_for_link(link)
try:
return os.listdir(root)
except OSError as err:
if err.errno in {errno.ENOENT, errno.ENOTDIR}:
return []
raise
def get_path_for_link(self, link):
# type: (Link) -> str
"""Return a directory to store cached items in for link.
"""
raise NotImplementedError()
def get(self, link, package_name):
# type: (Link, Optional[str]) -> Link
"""Returns a link to a cached item if it exists, otherwise returns the
passed link.
"""
raise NotImplementedError()
def _link_for_candidate(self, link, candidate):
# type: (Link, str) -> Link
root = self.get_path_for_link(link)
path = os.path.join(root, candidate)
return Link(path_to_url(path))
def cleanup(self):
# type: () -> None
pass
class SimpleWheelCache(Cache):
"""A cache of wheels for future installs.
"""
def __init__(self, cache_dir, format_control):
# type: (str, FormatControl) -> None
super(SimpleWheelCache, self).__init__(
cache_dir, format_control, {"binary"}
)
def get_path_for_link(self, link):
# type: (Link) -> str
"""Return a directory to store cached wheels for link
Because there are M wheels for any one sdist, we provide a directory
to cache them in, and then consult that directory when looking up
cache hits.
We only insert things into the cache if they have plausible version
numbers, so that we don't contaminate the cache with things that were
not unique. E.g. ./package might have dozens of installs done for it
and build a version of 0.0...and if we built and cached a wheel, we'd
end up using the same wheel even if the source has been edited.
:param link: The link of the sdist for which this will cache wheels.
"""
parts = self._get_cache_path_parts(link)
# Store wheels within the root cache_dir
return os.path.join(self.cache_dir, "wheels", *parts)
def get(self, link, package_name):
# type: (Link, Optional[str]) -> Link
candidates = []
for wheel_name in self._get_candidates(link, package_name):
try:
wheel = Wheel(wheel_name)
except InvalidWheelFilename:
continue
if not wheel.supported():
# Built for a different python/arch/etc
continue
candidates.append((wheel.support_index_min(), wheel_name))
if not candidates:
return link
return self._link_for_candidate(link, min(candidates)[1])
class EphemWheelCache(SimpleWheelCache):
"""A SimpleWheelCache that creates it's own temporary cache directory
"""
def __init__(self, format_control):
# type: (FormatControl) -> None
self._temp_dir = TempDirectory(kind="ephem-wheel-cache")
self._temp_dir.create()
super(EphemWheelCache, self).__init__(
self._temp_dir.path, format_control
)
def cleanup(self):
# type: () -> None
self._temp_dir.cleanup()
class WheelCache(Cache):
"""Wraps EphemWheelCache and SimpleWheelCache into a single Cache
This Cache allows for gracefully degradation, using the ephem wheel cache
when a certain link is not found in the simple wheel cache first.
"""
def __init__(self, cache_dir, format_control):
# type: (str, FormatControl) -> None
super(WheelCache, self).__init__(
cache_dir, format_control, {'binary'}
)
self._wheel_cache = SimpleWheelCache(cache_dir, format_control)
self._ephem_cache = EphemWheelCache(format_control)
def get_path_for_link(self, link):
# type: (Link) -> str
return self._wheel_cache.get_path_for_link(link)
def get_ephem_path_for_link(self, link):
# type: (Link) -> str
return self._ephem_cache.get_path_for_link(link)
def get(self, link, package_name):
# type: (Link, Optional[str]) -> Link
retval = self._wheel_cache.get(link, package_name)
if retval is link:
retval = self._ephem_cache.get(link, package_name)
return retval
def cleanup(self):
# type: () -> None
self._wheel_cache.cleanup()
self._ephem_cache.cleanup()

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"""Subpackage containing all of pip's command line interface related code
"""
# This file intentionally does not import submodules

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"""Logic that powers autocompletion installed by ``pip completion``.
"""
import optparse
import os
import sys
from pip._internal.cli.main_parser import create_main_parser
from pip._internal.commands import commands_dict, get_summaries
from pip._internal.utils.misc import get_installed_distributions
def autocomplete():
"""Entry Point for completion of main and subcommand options.
"""
# Don't complete if user hasn't sourced bash_completion file.
if 'PIP_AUTO_COMPLETE' not in os.environ:
return
cwords = os.environ['COMP_WORDS'].split()[1:]
cword = int(os.environ['COMP_CWORD'])
try:
current = cwords[cword - 1]
except IndexError:
current = ''
subcommands = [cmd for cmd, summary in get_summaries()]
options = []
# subcommand
try:
subcommand_name = [w for w in cwords if w in subcommands][0]
except IndexError:
subcommand_name = None
parser = create_main_parser()
# subcommand options
if subcommand_name:
# special case: 'help' subcommand has no options
if subcommand_name == 'help':
sys.exit(1)
# special case: list locally installed dists for show and uninstall
should_list_installed = (
subcommand_name in ['show', 'uninstall'] and
not current.startswith('-')
)
if should_list_installed:
installed = []
lc = current.lower()
for dist in get_installed_distributions(local_only=True):
if dist.key.startswith(lc) and dist.key not in cwords[1:]:
installed.append(dist.key)
# if there are no dists installed, fall back to option completion
if installed:
for dist in installed:
print(dist)
sys.exit(1)
subcommand = commands_dict[subcommand_name]()
for opt in subcommand.parser.option_list_all:
if opt.help != optparse.SUPPRESS_HELP:
for opt_str in opt._long_opts + opt._short_opts:
options.append((opt_str, opt.nargs))
# filter out previously specified options from available options
prev_opts = [x.split('=')[0] for x in cwords[1:cword - 1]]
options = [(x, v) for (x, v) in options if x not in prev_opts]
# filter options by current input
options = [(k, v) for k, v in options if k.startswith(current)]
# get completion type given cwords and available subcommand options
completion_type = get_path_completion_type(
cwords, cword, subcommand.parser.option_list_all,
)
# get completion files and directories if ``completion_type`` is
# ``<file>``, ``<dir>`` or ``<path>``
if completion_type:
options = auto_complete_paths(current, completion_type)
options = ((opt, 0) for opt in options)
for option in options:
opt_label = option[0]
# append '=' to options which require args
if option[1] and option[0][:2] == "--":
opt_label += '='
print(opt_label)
else:
# show main parser options only when necessary
opts = [i.option_list for i in parser.option_groups]
opts.append(parser.option_list)
opts = (o for it in opts for o in it)
if current.startswith('-'):
for opt in opts:
if opt.help != optparse.SUPPRESS_HELP:
subcommands += opt._long_opts + opt._short_opts
else:
# get completion type given cwords and all available options
completion_type = get_path_completion_type(cwords, cword, opts)
if completion_type:
subcommands = auto_complete_paths(current, completion_type)
print(' '.join([x for x in subcommands if x.startswith(current)]))
sys.exit(1)
def get_path_completion_type(cwords, cword, opts):
"""Get the type of path completion (``file``, ``dir``, ``path`` or None)
:param cwords: same as the environmental variable ``COMP_WORDS``
:param cword: same as the environmental variable ``COMP_CWORD``
:param opts: The available options to check
:return: path completion type (``file``, ``dir``, ``path`` or None)
"""
if cword < 2 or not cwords[cword - 2].startswith('-'):
return
for opt in opts:
if opt.help == optparse.SUPPRESS_HELP:
continue
for o in str(opt).split('/'):
if cwords[cword - 2].split('=')[0] == o:
if not opt.metavar or any(
x in ('path', 'file', 'dir')
for x in opt.metavar.split('/')):
return opt.metavar
def auto_complete_paths(current, completion_type):
"""If ``completion_type`` is ``file`` or ``path``, list all regular files
and directories starting with ``current``; otherwise only list directories
starting with ``current``.
:param current: The word to be completed
:param completion_type: path completion type(`file`, `path` or `dir`)i
:return: A generator of regular files and/or directories
"""
directory, filename = os.path.split(current)
current_path = os.path.abspath(directory)
# Don't complete paths if they can't be accessed
if not os.access(current_path, os.R_OK):
return
filename = os.path.normcase(filename)
# list all files that start with ``filename``
file_list = (x for x in os.listdir(current_path)
if os.path.normcase(x).startswith(filename))
for f in file_list:
opt = os.path.join(current_path, f)
comp_file = os.path.normcase(os.path.join(directory, f))
# complete regular files when there is not ``<dir>`` after option
# complete directories when there is ``<file>``, ``<path>`` or
# ``<dir>``after option
if completion_type != 'dir' and os.path.isfile(opt):
yield comp_file
elif os.path.isdir(opt):
yield os.path.join(comp_file, '')

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"""Base Command class, and related routines"""
from __future__ import absolute_import, print_function
import logging
import logging.config
import optparse
import os
import platform
import sys
import traceback
from pip._internal.cli import cmdoptions
from pip._internal.cli.parser import (
ConfigOptionParser, UpdatingDefaultsHelpFormatter,
)
from pip._internal.cli.status_codes import (
ERROR, PREVIOUS_BUILD_DIR_ERROR, SUCCESS, UNKNOWN_ERROR,
VIRTUALENV_NOT_FOUND,
)
from pip._internal.download import PipSession
from pip._internal.exceptions import (
BadCommand, CommandError, InstallationError, PreviousBuildDirError,
UninstallationError,
)
from pip._internal.index import PackageFinder
from pip._internal.locations import running_under_virtualenv
from pip._internal.req.constructors import (
install_req_from_editable, install_req_from_line,
)
from pip._internal.req.req_file import parse_requirements
from pip._internal.utils.deprecation import deprecated
from pip._internal.utils.logging import BrokenStdoutLoggingError, setup_logging
from pip._internal.utils.misc import (
get_prog, normalize_path, redact_password_from_url,
)
from pip._internal.utils.outdated import pip_version_check
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Optional, List, Tuple, Any # noqa: F401
from optparse import Values # noqa: F401
from pip._internal.cache import WheelCache # noqa: F401
from pip._internal.req.req_set import RequirementSet # noqa: F401
__all__ = ['Command']
logger = logging.getLogger(__name__)
class Command(object):
name = None # type: Optional[str]
usage = None # type: Optional[str]
hidden = False # type: bool
ignore_require_venv = False # type: bool
def __init__(self, isolated=False):
# type: (bool) -> None
parser_kw = {
'usage': self.usage,
'prog': '%s %s' % (get_prog(), self.name),
'formatter': UpdatingDefaultsHelpFormatter(),
'add_help_option': False,
'name': self.name,
'description': self.__doc__,
'isolated': isolated,
}
self.parser = ConfigOptionParser(**parser_kw)
# Commands should add options to this option group
optgroup_name = '%s Options' % self.name.capitalize()
self.cmd_opts = optparse.OptionGroup(self.parser, optgroup_name)
# Add the general options
gen_opts = cmdoptions.make_option_group(
cmdoptions.general_group,
self.parser,
)
self.parser.add_option_group(gen_opts)
def run(self, options, args):
# type: (Values, List[Any]) -> Any
raise NotImplementedError
def _build_session(self, options, retries=None, timeout=None):
# type: (Values, Optional[int], Optional[int]) -> PipSession
session = PipSession(
cache=(
normalize_path(os.path.join(options.cache_dir, "http"))
if options.cache_dir else None
),
retries=retries if retries is not None else options.retries,
insecure_hosts=options.trusted_hosts,
)
# Handle custom ca-bundles from the user
if options.cert:
session.verify = options.cert
# Handle SSL client certificate
if options.client_cert:
session.cert = options.client_cert
# Handle timeouts
if options.timeout or timeout:
session.timeout = (
timeout if timeout is not None else options.timeout
)
# Handle configured proxies
if options.proxy:
session.proxies = {
"http": options.proxy,
"https": options.proxy,
}
# Determine if we can prompt the user for authentication or not
session.auth.prompting = not options.no_input
return session
def parse_args(self, args):
# type: (List[str]) -> Tuple
# factored out for testability
return self.parser.parse_args(args)
def main(self, args):
# type: (List[str]) -> int
options, args = self.parse_args(args)
# Set verbosity so that it can be used elsewhere.
self.verbosity = options.verbose - options.quiet
level_number = setup_logging(
verbosity=self.verbosity,
no_color=options.no_color,
user_log_file=options.log,
)
if sys.version_info[:2] == (3, 4):
deprecated(
"Python 3.4 support has been deprecated. pip 19.1 will be the "
"last one supporting it. Please upgrade your Python as Python "
"3.4 won't be maintained after March 2019 (cf PEP 429).",
replacement=None,
gone_in='19.2',
)
elif sys.version_info[:2] == (2, 7):
message = (
"A future version of pip will drop support for Python 2.7."
)
if platform.python_implementation() == "CPython":
message = (
"Python 2.7 will reach the end of its life on January "
"1st, 2020. Please upgrade your Python as Python 2.7 "
"won't be maintained after that date. "
) + message
deprecated(message, replacement=None, gone_in=None)
# TODO: Try to get these passing down from the command?
# without resorting to os.environ to hold these.
# This also affects isolated builds and it should.
if options.no_input:
os.environ['PIP_NO_INPUT'] = '1'
if options.exists_action:
os.environ['PIP_EXISTS_ACTION'] = ' '.join(options.exists_action)
if options.require_venv and not self.ignore_require_venv:
# If a venv is required check if it can really be found
if not running_under_virtualenv():
logger.critical(
'Could not find an activated virtualenv (required).'
)
sys.exit(VIRTUALENV_NOT_FOUND)
try:
status = self.run(options, args)
# FIXME: all commands should return an exit status
# and when it is done, isinstance is not needed anymore
if isinstance(status, int):
return status
except PreviousBuildDirError as exc:
logger.critical(str(exc))
logger.debug('Exception information:', exc_info=True)
return PREVIOUS_BUILD_DIR_ERROR
except (InstallationError, UninstallationError, BadCommand) as exc:
logger.critical(str(exc))
logger.debug('Exception information:', exc_info=True)
return ERROR
except CommandError as exc:
logger.critical('ERROR: %s', exc)
logger.debug('Exception information:', exc_info=True)
return ERROR
except BrokenStdoutLoggingError:
# Bypass our logger and write any remaining messages to stderr
# because stdout no longer works.
print('ERROR: Pipe to stdout was broken', file=sys.stderr)
if level_number <= logging.DEBUG:
traceback.print_exc(file=sys.stderr)
return ERROR
except KeyboardInterrupt:
logger.critical('Operation cancelled by user')
logger.debug('Exception information:', exc_info=True)
return ERROR
except BaseException:
logger.critical('Exception:', exc_info=True)
return UNKNOWN_ERROR
finally:
allow_version_check = (
# Does this command have the index_group options?
hasattr(options, "no_index") and
# Is this command allowed to perform this check?
not (options.disable_pip_version_check or options.no_index)
)
# Check if we're using the latest version of pip available
if allow_version_check:
session = self._build_session(
options,
retries=0,
timeout=min(5, options.timeout)
)
with session:
pip_version_check(session, options)
# Shutdown the logging module
logging.shutdown()
return SUCCESS
class RequirementCommand(Command):
@staticmethod
def populate_requirement_set(requirement_set, # type: RequirementSet
args, # type: List[str]
options, # type: Values
finder, # type: PackageFinder
session, # type: PipSession
name, # type: str
wheel_cache # type: Optional[WheelCache]
):
# type: (...) -> None
"""
Marshal cmd line args into a requirement set.
"""
# NOTE: As a side-effect, options.require_hashes and
# requirement_set.require_hashes may be updated
for filename in options.constraints:
for req_to_add in parse_requirements(
filename,
constraint=True, finder=finder, options=options,
session=session, wheel_cache=wheel_cache):
req_to_add.is_direct = True
requirement_set.add_requirement(req_to_add)
for req in args:
req_to_add = install_req_from_line(
req, None, isolated=options.isolated_mode,
use_pep517=options.use_pep517,
wheel_cache=wheel_cache
)
req_to_add.is_direct = True
requirement_set.add_requirement(req_to_add)
for req in options.editables:
req_to_add = install_req_from_editable(
req,
isolated=options.isolated_mode,
use_pep517=options.use_pep517,
wheel_cache=wheel_cache
)
req_to_add.is_direct = True
requirement_set.add_requirement(req_to_add)
for filename in options.requirements:
for req_to_add in parse_requirements(
filename,
finder=finder, options=options, session=session,
wheel_cache=wheel_cache,
use_pep517=options.use_pep517):
req_to_add.is_direct = True
requirement_set.add_requirement(req_to_add)
# If --require-hashes was a line in a requirements file, tell
# RequirementSet about it:
requirement_set.require_hashes = options.require_hashes
if not (args or options.editables or options.requirements):
opts = {'name': name}
if options.find_links:
raise CommandError(
'You must give at least one requirement to %(name)s '
'(maybe you meant "pip %(name)s %(links)s"?)' %
dict(opts, links=' '.join(options.find_links)))
else:
raise CommandError(
'You must give at least one requirement to %(name)s '
'(see "pip help %(name)s")' % opts)
def _build_package_finder(
self,
options, # type: Values
session, # type: PipSession
platform=None, # type: Optional[str]
python_versions=None, # type: Optional[List[str]]
abi=None, # type: Optional[str]
implementation=None # type: Optional[str]
):
# type: (...) -> PackageFinder
"""
Create a package finder appropriate to this requirement command.
"""
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
logger.debug(
'Ignoring indexes: %s',
','.join(redact_password_from_url(url) for url in index_urls),
)
index_urls = []
return PackageFinder(
find_links=options.find_links,
format_control=options.format_control,
index_urls=index_urls,
trusted_hosts=options.trusted_hosts,
allow_all_prereleases=options.pre,
session=session,
platform=platform,
versions=python_versions,
abi=abi,
implementation=implementation,
prefer_binary=options.prefer_binary,
)

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"""
shared options and groups
The principle here is to define options once, but *not* instantiate them
globally. One reason being that options with action='append' can carry state
between parses. pip parses general options twice internally, and shouldn't
pass on state. To be consistent, all options will follow this design.
"""
from __future__ import absolute_import
import textwrap
import warnings
from distutils.util import strtobool
from functools import partial
from optparse import SUPPRESS_HELP, Option, OptionGroup
from pip._internal.exceptions import CommandError
from pip._internal.locations import USER_CACHE_DIR, src_prefix
from pip._internal.models.format_control import FormatControl
from pip._internal.models.index import PyPI
from pip._internal.utils.hashes import STRONG_HASHES
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.utils.ui import BAR_TYPES
if MYPY_CHECK_RUNNING:
from typing import Any, Callable, Dict, List, Optional, Union # noqa: F401
from optparse import OptionParser, Values # noqa: F401
from pip._internal.cli.parser import ConfigOptionParser # noqa: F401
def raise_option_error(parser, option, msg):
"""
Raise an option parsing error using parser.error().
Args:
parser: an OptionParser instance.
option: an Option instance.
msg: the error text.
"""
msg = '{} error: {}'.format(option, msg)
msg = textwrap.fill(' '.join(msg.split()))
parser.error(msg)
def make_option_group(group, parser):
# type: (Dict[str, Any], ConfigOptionParser) -> OptionGroup
"""
Return an OptionGroup object
group -- assumed to be dict with 'name' and 'options' keys
parser -- an optparse Parser
"""
option_group = OptionGroup(parser, group['name'])
for option in group['options']:
option_group.add_option(option())
return option_group
def check_install_build_global(options, check_options=None):
# type: (Values, Optional[Values]) -> None
"""Disable wheels if per-setup.py call options are set.
:param options: The OptionParser options to update.
:param check_options: The options to check, if not supplied defaults to
options.
"""
if check_options is None:
check_options = options
def getname(n):
return getattr(check_options, n, None)
names = ["build_options", "global_options", "install_options"]
if any(map(getname, names)):
control = options.format_control
control.disallow_binaries()
warnings.warn(
'Disabling all use of wheels due to the use of --build-options '
'/ --global-options / --install-options.', stacklevel=2,
)
def check_dist_restriction(options, check_target=False):
# type: (Values, bool) -> None
"""Function for determining if custom platform options are allowed.
:param options: The OptionParser options.
:param check_target: Whether or not to check if --target is being used.
"""
dist_restriction_set = any([
options.python_version,
options.platform,
options.abi,
options.implementation,
])
binary_only = FormatControl(set(), {':all:'})
sdist_dependencies_allowed = (
options.format_control != binary_only and
not options.ignore_dependencies
)
# Installations or downloads using dist restrictions must not combine
# source distributions and dist-specific wheels, as they are not
# gauranteed to be locally compatible.
if dist_restriction_set and sdist_dependencies_allowed:
raise CommandError(
"When restricting platform and interpreter constraints using "
"--python-version, --platform, --abi, or --implementation, "
"either --no-deps must be set, or --only-binary=:all: must be "
"set and --no-binary must not be set (or must be set to "
":none:)."
)
if check_target:
if dist_restriction_set and not options.target_dir:
raise CommandError(
"Can not use any platform or abi specific options unless "
"installing via '--target'"
)
###########
# options #
###########
help_ = partial(
Option,
'-h', '--help',
dest='help',
action='help',
help='Show help.',
) # type: Callable[..., Option]
isolated_mode = partial(
Option,
"--isolated",
dest="isolated_mode",
action="store_true",
default=False,
help=(
"Run pip in an isolated mode, ignoring environment variables and user "
"configuration."
),
) # type: Callable[..., Option]
require_virtualenv = partial(
Option,
# Run only if inside a virtualenv, bail if not.
'--require-virtualenv', '--require-venv',
dest='require_venv',
action='store_true',
default=False,
help=SUPPRESS_HELP
) # type: Callable[..., Option]
verbose = partial(
Option,
'-v', '--verbose',
dest='verbose',
action='count',
default=0,
help='Give more output. Option is additive, and can be used up to 3 times.'
) # type: Callable[..., Option]
no_color = partial(
Option,
'--no-color',
dest='no_color',
action='store_true',
default=False,
help="Suppress colored output",
) # type: Callable[..., Option]
version = partial(
Option,
'-V', '--version',
dest='version',
action='store_true',
help='Show version and exit.',
) # type: Callable[..., Option]
quiet = partial(
Option,
'-q', '--quiet',
dest='quiet',
action='count',
default=0,
help=(
'Give less output. Option is additive, and can be used up to 3'
' times (corresponding to WARNING, ERROR, and CRITICAL logging'
' levels).'
),
) # type: Callable[..., Option]
progress_bar = partial(
Option,
'--progress-bar',
dest='progress_bar',
type='choice',
choices=list(BAR_TYPES.keys()),
default='on',
help=(
'Specify type of progress to be displayed [' +
'|'.join(BAR_TYPES.keys()) + '] (default: %default)'
),
) # type: Callable[..., Option]
log = partial(
Option,
"--log", "--log-file", "--local-log",
dest="log",
metavar="path",
help="Path to a verbose appending log."
) # type: Callable[..., Option]
no_input = partial(
Option,
# Don't ask for input
'--no-input',
dest='no_input',
action='store_true',
default=False,
help=SUPPRESS_HELP
) # type: Callable[..., Option]
proxy = partial(
Option,
'--proxy',
dest='proxy',
type='str',
default='',
help="Specify a proxy in the form [user:passwd@]proxy.server:port."
) # type: Callable[..., Option]
retries = partial(
Option,
'--retries',
dest='retries',
type='int',
default=5,
help="Maximum number of retries each connection should attempt "
"(default %default times).",
) # type: Callable[..., Option]
timeout = partial(
Option,
'--timeout', '--default-timeout',
metavar='sec',
dest='timeout',
type='float',
default=15,
help='Set the socket timeout (default %default seconds).',
) # type: Callable[..., Option]
skip_requirements_regex = partial(
Option,
# A regex to be used to skip requirements
'--skip-requirements-regex',
dest='skip_requirements_regex',
type='str',
default='',
help=SUPPRESS_HELP,
) # type: Callable[..., Option]
def exists_action():
# type: () -> Option
return Option(
# Option when path already exist
'--exists-action',
dest='exists_action',
type='choice',
choices=['s', 'i', 'w', 'b', 'a'],
default=[],
action='append',
metavar='action',
help="Default action when a path already exists: "
"(s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort).",
)
cert = partial(
Option,
'--cert',
dest='cert',
type='str',
metavar='path',
help="Path to alternate CA bundle.",
) # type: Callable[..., Option]
client_cert = partial(
Option,
'--client-cert',
dest='client_cert',
type='str',
default=None,
metavar='path',
help="Path to SSL client certificate, a single file containing the "
"private key and the certificate in PEM format.",
) # type: Callable[..., Option]
index_url = partial(
Option,
'-i', '--index-url', '--pypi-url',
dest='index_url',
metavar='URL',
default=PyPI.simple_url,
help="Base URL of Python Package Index (default %default). "
"This should point to a repository compliant with PEP 503 "
"(the simple repository API) or a local directory laid out "
"in the same format.",
) # type: Callable[..., Option]
def extra_index_url():
return Option(
'--extra-index-url',
dest='extra_index_urls',
metavar='URL',
action='append',
default=[],
help="Extra URLs of package indexes to use in addition to "
"--index-url. Should follow the same rules as "
"--index-url.",
)
no_index = partial(
Option,
'--no-index',
dest='no_index',
action='store_true',
default=False,
help='Ignore package index (only looking at --find-links URLs instead).',
) # type: Callable[..., Option]
def find_links():
# type: () -> Option
return Option(
'-f', '--find-links',
dest='find_links',
action='append',
default=[],
metavar='url',
help="If a url or path to an html file, then parse for links to "
"archives. If a local path or file:// url that's a directory, "
"then look for archives in the directory listing.",
)
def trusted_host():
# type: () -> Option
return Option(
"--trusted-host",
dest="trusted_hosts",
action="append",
metavar="HOSTNAME",
default=[],
help="Mark this host as trusted, even though it does not have valid "
"or any HTTPS.",
)
def constraints():
# type: () -> Option
return Option(
'-c', '--constraint',
dest='constraints',
action='append',
default=[],
metavar='file',
help='Constrain versions using the given constraints file. '
'This option can be used multiple times.'
)
def requirements():
# type: () -> Option
return Option(
'-r', '--requirement',
dest='requirements',
action='append',
default=[],
metavar='file',
help='Install from the given requirements file. '
'This option can be used multiple times.'
)
def editable():
# type: () -> Option
return Option(
'-e', '--editable',
dest='editables',
action='append',
default=[],
metavar='path/url',
help=('Install a project in editable mode (i.e. setuptools '
'"develop mode") from a local project path or a VCS url.'),
)
src = partial(
Option,
'--src', '--source', '--source-dir', '--source-directory',
dest='src_dir',
metavar='dir',
default=src_prefix,
help='Directory to check out editable projects into. '
'The default in a virtualenv is "<venv path>/src". '
'The default for global installs is "<current dir>/src".'
) # type: Callable[..., Option]
def _get_format_control(values, option):
# type: (Values, Option) -> Any
"""Get a format_control object."""
return getattr(values, option.dest)
def _handle_no_binary(option, opt_str, value, parser):
# type: (Option, str, str, OptionParser) -> None
existing = _get_format_control(parser.values, option)
FormatControl.handle_mutual_excludes(
value, existing.no_binary, existing.only_binary,
)
def _handle_only_binary(option, opt_str, value, parser):
# type: (Option, str, str, OptionParser) -> None
existing = _get_format_control(parser.values, option)
FormatControl.handle_mutual_excludes(
value, existing.only_binary, existing.no_binary,
)
def no_binary():
# type: () -> Option
format_control = FormatControl(set(), set())
return Option(
"--no-binary", dest="format_control", action="callback",
callback=_handle_no_binary, type="str",
default=format_control,
help="Do not use binary packages. Can be supplied multiple times, and "
"each time adds to the existing value. Accepts either :all: to "
"disable all binary packages, :none: to empty the set, or one or "
"more package names with commas between them. Note that some "
"packages are tricky to compile and may fail to install when "
"this option is used on them.",
)
def only_binary():
# type: () -> Option
format_control = FormatControl(set(), set())
return Option(
"--only-binary", dest="format_control", action="callback",
callback=_handle_only_binary, type="str",
default=format_control,
help="Do not use source packages. Can be supplied multiple times, and "
"each time adds to the existing value. Accepts either :all: to "
"disable all source packages, :none: to empty the set, or one or "
"more package names with commas between them. Packages without "
"binary distributions will fail to install when this option is "
"used on them.",
)
platform = partial(
Option,
'--platform',
dest='platform',
metavar='platform',
default=None,
help=("Only use wheels compatible with <platform>. "
"Defaults to the platform of the running system."),
) # type: Callable[..., Option]
python_version = partial(
Option,
'--python-version',
dest='python_version',
metavar='python_version',
default=None,
help=("Only use wheels compatible with Python "
"interpreter version <version>. If not specified, then the "
"current system interpreter minor version is used. A major "
"version (e.g. '2') can be specified to match all "
"minor revs of that major version. A minor version "
"(e.g. '34') can also be specified."),
) # type: Callable[..., Option]
implementation = partial(
Option,
'--implementation',
dest='implementation',
metavar='implementation',
default=None,
help=("Only use wheels compatible with Python "
"implementation <implementation>, e.g. 'pp', 'jy', 'cp', "
" or 'ip'. If not specified, then the current "
"interpreter implementation is used. Use 'py' to force "
"implementation-agnostic wheels."),
) # type: Callable[..., Option]
abi = partial(
Option,
'--abi',
dest='abi',
metavar='abi',
default=None,
help=("Only use wheels compatible with Python "
"abi <abi>, e.g. 'pypy_41'. If not specified, then the "
"current interpreter abi tag is used. Generally "
"you will need to specify --implementation, "
"--platform, and --python-version when using "
"this option."),
) # type: Callable[..., Option]
def prefer_binary():
# type: () -> Option
return Option(
"--prefer-binary",
dest="prefer_binary",
action="store_true",
default=False,
help="Prefer older binary packages over newer source packages."
)
cache_dir = partial(
Option,
"--cache-dir",
dest="cache_dir",
default=USER_CACHE_DIR,
metavar="dir",
help="Store the cache data in <dir>."
) # type: Callable[..., Option]
def no_cache_dir_callback(option, opt, value, parser):
"""
Process a value provided for the --no-cache-dir option.
This is an optparse.Option callback for the --no-cache-dir option.
"""
# The value argument will be None if --no-cache-dir is passed via the
# command-line, since the option doesn't accept arguments. However,
# the value can be non-None if the option is triggered e.g. by an
# environment variable, like PIP_NO_CACHE_DIR=true.
if value is not None:
# Then parse the string value to get argument error-checking.
try:
strtobool(value)
except ValueError as exc:
raise_option_error(parser, option=option, msg=str(exc))
# Originally, setting PIP_NO_CACHE_DIR to a value that strtobool()
# converted to 0 (like "false" or "no") caused cache_dir to be disabled
# rather than enabled (logic would say the latter). Thus, we disable
# the cache directory not just on values that parse to True, but (for
# backwards compatibility reasons) also on values that parse to False.
# In other words, always set it to False if the option is provided in
# some (valid) form.
parser.values.cache_dir = False
no_cache = partial(
Option,
"--no-cache-dir",
dest="cache_dir",
action="callback",
callback=no_cache_dir_callback,
help="Disable the cache.",
) # type: Callable[..., Option]
no_deps = partial(
Option,
'--no-deps', '--no-dependencies',
dest='ignore_dependencies',
action='store_true',
default=False,
help="Don't install package dependencies.",
) # type: Callable[..., Option]
build_dir = partial(
Option,
'-b', '--build', '--build-dir', '--build-directory',
dest='build_dir',
metavar='dir',
help='Directory to unpack packages into and build in. Note that '
'an initial build still takes place in a temporary directory. '
'The location of temporary directories can be controlled by setting '
'the TMPDIR environment variable (TEMP on Windows) appropriately. '
'When passed, build directories are not cleaned in case of failures.'
) # type: Callable[..., Option]
ignore_requires_python = partial(
Option,
'--ignore-requires-python',
dest='ignore_requires_python',
action='store_true',
help='Ignore the Requires-Python information.'
) # type: Callable[..., Option]
no_build_isolation = partial(
Option,
'--no-build-isolation',
dest='build_isolation',
action='store_false',
default=True,
help='Disable isolation when building a modern source distribution. '
'Build dependencies specified by PEP 518 must be already installed '
'if this option is used.'
) # type: Callable[..., Option]
def no_use_pep517_callback(option, opt, value, parser):
"""
Process a value provided for the --no-use-pep517 option.
This is an optparse.Option callback for the no_use_pep517 option.
"""
# Since --no-use-pep517 doesn't accept arguments, the value argument
# will be None if --no-use-pep517 is passed via the command-line.
# However, the value can be non-None if the option is triggered e.g.
# by an environment variable, for example "PIP_NO_USE_PEP517=true".
if value is not None:
msg = """A value was passed for --no-use-pep517,
probably using either the PIP_NO_USE_PEP517 environment variable
or the "no-use-pep517" config file option. Use an appropriate value
of the PIP_USE_PEP517 environment variable or the "use-pep517"
config file option instead.
"""
raise_option_error(parser, option=option, msg=msg)
# Otherwise, --no-use-pep517 was passed via the command-line.
parser.values.use_pep517 = False
use_pep517 = partial(
Option,
'--use-pep517',
dest='use_pep517',
action='store_true',
default=None,
help='Use PEP 517 for building source distributions '
'(use --no-use-pep517 to force legacy behaviour).'
) # type: Any
no_use_pep517 = partial(
Option,
'--no-use-pep517',
dest='use_pep517',
action='callback',
callback=no_use_pep517_callback,
default=None,
help=SUPPRESS_HELP
) # type: Any
install_options = partial(
Option,
'--install-option',
dest='install_options',
action='append',
metavar='options',
help="Extra arguments to be supplied to the setup.py install "
"command (use like --install-option=\"--install-scripts=/usr/local/"
"bin\"). Use multiple --install-option options to pass multiple "
"options to setup.py install. If you are using an option with a "
"directory path, be sure to use absolute path.",
) # type: Callable[..., Option]
global_options = partial(
Option,
'--global-option',
dest='global_options',
action='append',
metavar='options',
help="Extra global options to be supplied to the setup.py "
"call before the install command.",
) # type: Callable[..., Option]
no_clean = partial(
Option,
'--no-clean',
action='store_true',
default=False,
help="Don't clean up build directories."
) # type: Callable[..., Option]
pre = partial(
Option,
'--pre',
action='store_true',
default=False,
help="Include pre-release and development versions. By default, "
"pip only finds stable versions.",
) # type: Callable[..., Option]
disable_pip_version_check = partial(
Option,
"--disable-pip-version-check",
dest="disable_pip_version_check",
action="store_true",
default=False,
help="Don't periodically check PyPI to determine whether a new version "
"of pip is available for download. Implied with --no-index.",
) # type: Callable[..., Option]
# Deprecated, Remove later
always_unzip = partial(
Option,
'-Z', '--always-unzip',
dest='always_unzip',
action='store_true',
help=SUPPRESS_HELP,
) # type: Callable[..., Option]
def _merge_hash(option, opt_str, value, parser):
# type: (Option, str, str, OptionParser) -> None
"""Given a value spelled "algo:digest", append the digest to a list
pointed to in a dict by the algo name."""
if not parser.values.hashes:
parser.values.hashes = {} # type: ignore
try:
algo, digest = value.split(':', 1)
except ValueError:
parser.error('Arguments to %s must be a hash name '
'followed by a value, like --hash=sha256:abcde...' %
opt_str)
if algo not in STRONG_HASHES:
parser.error('Allowed hash algorithms for %s are %s.' %
(opt_str, ', '.join(STRONG_HASHES)))
parser.values.hashes.setdefault(algo, []).append(digest)
hash = partial(
Option,
'--hash',
# Hash values eventually end up in InstallRequirement.hashes due to
# __dict__ copying in process_line().
dest='hashes',
action='callback',
callback=_merge_hash,
type='string',
help="Verify that the package's archive matches this "
'hash before installing. Example: --hash=sha256:abcdef...',
) # type: Callable[..., Option]
require_hashes = partial(
Option,
'--require-hashes',
dest='require_hashes',
action='store_true',
default=False,
help='Require a hash to check each requirement against, for '
'repeatable installs. This option is implied when any package in a '
'requirements file has a --hash option.',
) # type: Callable[..., Option]
##########
# groups #
##########
general_group = {
'name': 'General Options',
'options': [
help_,
isolated_mode,
require_virtualenv,
verbose,
version,
quiet,
log,
no_input,
proxy,
retries,
timeout,
skip_requirements_regex,
exists_action,
trusted_host,
cert,
client_cert,
cache_dir,
no_cache,
disable_pip_version_check,
no_color,
]
} # type: Dict[str, Any]
index_group = {
'name': 'Package Index Options',
'options': [
index_url,
extra_index_url,
no_index,
find_links,
]
} # type: Dict[str, Any]

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"""A single place for constructing and exposing the main parser
"""
import os
import sys
from pip import __version__
from pip._internal.cli import cmdoptions
from pip._internal.cli.parser import (
ConfigOptionParser, UpdatingDefaultsHelpFormatter,
)
from pip._internal.commands import (
commands_dict, get_similar_commands, get_summaries,
)
from pip._internal.exceptions import CommandError
from pip._internal.utils.misc import get_prog
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Tuple, List # noqa: F401
__all__ = ["create_main_parser", "parse_command"]
def create_main_parser():
# type: () -> ConfigOptionParser
"""Creates and returns the main parser for pip's CLI
"""
parser_kw = {
'usage': '\n%prog <command> [options]',
'add_help_option': False,
'formatter': UpdatingDefaultsHelpFormatter(),
'name': 'global',
'prog': get_prog(),
}
parser = ConfigOptionParser(**parser_kw)
parser.disable_interspersed_args()
pip_pkg_dir = os.path.abspath(os.path.join(
os.path.dirname(__file__), "..", "..",
))
parser.version = 'pip %s from %s (python %s)' % (
__version__, pip_pkg_dir, sys.version[:3],
)
# add the general options
gen_opts = cmdoptions.make_option_group(cmdoptions.general_group, parser)
parser.add_option_group(gen_opts)
# so the help formatter knows
parser.main = True # type: ignore
# create command listing for description
command_summaries = get_summaries()
description = [''] + ['%-27s %s' % (i, j) for i, j in command_summaries]
parser.description = '\n'.join(description)
return parser
def parse_command(args):
# type: (List[str]) -> Tuple[str, List[str]]
parser = create_main_parser()
# Note: parser calls disable_interspersed_args(), so the result of this
# call is to split the initial args into the general options before the
# subcommand and everything else.
# For example:
# args: ['--timeout=5', 'install', '--user', 'INITools']
# general_options: ['--timeout==5']
# args_else: ['install', '--user', 'INITools']
general_options, args_else = parser.parse_args(args)
# --version
if general_options.version:
sys.stdout.write(parser.version) # type: ignore
sys.stdout.write(os.linesep)
sys.exit()
# pip || pip help -> print_help()
if not args_else or (args_else[0] == 'help' and len(args_else) == 1):
parser.print_help()
sys.exit()
# the subcommand name
cmd_name = args_else[0]
if cmd_name not in commands_dict:
guess = get_similar_commands(cmd_name)
msg = ['unknown command "%s"' % cmd_name]
if guess:
msg.append('maybe you meant "%s"' % guess)
raise CommandError(' - '.join(msg))
# all the args without the subcommand
cmd_args = args[:]
cmd_args.remove(cmd_name)
return cmd_name, cmd_args

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"""Base option parser setup"""
from __future__ import absolute_import
import logging
import optparse
import sys
import textwrap
from distutils.util import strtobool
from pip._vendor.six import string_types
from pip._internal.cli.status_codes import UNKNOWN_ERROR
from pip._internal.configuration import Configuration, ConfigurationError
from pip._internal.utils.compat import get_terminal_size
logger = logging.getLogger(__name__)
class PrettyHelpFormatter(optparse.IndentedHelpFormatter):
"""A prettier/less verbose help formatter for optparse."""
def __init__(self, *args, **kwargs):
# help position must be aligned with __init__.parseopts.description
kwargs['max_help_position'] = 30
kwargs['indent_increment'] = 1
kwargs['width'] = get_terminal_size()[0] - 2
optparse.IndentedHelpFormatter.__init__(self, *args, **kwargs)
def format_option_strings(self, option):
return self._format_option_strings(option, ' <%s>', ', ')
def _format_option_strings(self, option, mvarfmt=' <%s>', optsep=', '):
"""
Return a comma-separated list of option strings and metavars.
:param option: tuple of (short opt, long opt), e.g: ('-f', '--format')
:param mvarfmt: metavar format string - evaluated as mvarfmt % metavar
:param optsep: separator
"""
opts = []
if option._short_opts:
opts.append(option._short_opts[0])
if option._long_opts:
opts.append(option._long_opts[0])
if len(opts) > 1:
opts.insert(1, optsep)
if option.takes_value():
metavar = option.metavar or option.dest.lower()
opts.append(mvarfmt % metavar.lower())
return ''.join(opts)
def format_heading(self, heading):
if heading == 'Options':
return ''
return heading + ':\n'
def format_usage(self, usage):
"""
Ensure there is only one newline between usage and the first heading
if there is no description.
"""
msg = '\nUsage: %s\n' % self.indent_lines(textwrap.dedent(usage), " ")
return msg
def format_description(self, description):
# leave full control over description to us
if description:
if hasattr(self.parser, 'main'):
label = 'Commands'
else:
label = 'Description'
# some doc strings have initial newlines, some don't
description = description.lstrip('\n')
# some doc strings have final newlines and spaces, some don't
description = description.rstrip()
# dedent, then reindent
description = self.indent_lines(textwrap.dedent(description), " ")
description = '%s:\n%s\n' % (label, description)
return description
else:
return ''
def format_epilog(self, epilog):
# leave full control over epilog to us
if epilog:
return epilog
else:
return ''
def indent_lines(self, text, indent):
new_lines = [indent + line for line in text.split('\n')]
return "\n".join(new_lines)
class UpdatingDefaultsHelpFormatter(PrettyHelpFormatter):
"""Custom help formatter for use in ConfigOptionParser.
This is updates the defaults before expanding them, allowing
them to show up correctly in the help listing.
"""
def expand_default(self, option):
if self.parser is not None:
self.parser._update_defaults(self.parser.defaults)
return optparse.IndentedHelpFormatter.expand_default(self, option)
class CustomOptionParser(optparse.OptionParser):
def insert_option_group(self, idx, *args, **kwargs):
"""Insert an OptionGroup at a given position."""
group = self.add_option_group(*args, **kwargs)
self.option_groups.pop()
self.option_groups.insert(idx, group)
return group
@property
def option_list_all(self):
"""Get a list of all options, including those in option groups."""
res = self.option_list[:]
for i in self.option_groups:
res.extend(i.option_list)
return res
class ConfigOptionParser(CustomOptionParser):
"""Custom option parser which updates its defaults by checking the
configuration files and environmental variables"""
def __init__(self, *args, **kwargs):
self.name = kwargs.pop('name')
isolated = kwargs.pop("isolated", False)
self.config = Configuration(isolated)
assert self.name
optparse.OptionParser.__init__(self, *args, **kwargs)
def check_default(self, option, key, val):
try:
return option.check_value(key, val)
except optparse.OptionValueError as exc:
print("An error occurred during configuration: %s" % exc)
sys.exit(3)
def _get_ordered_configuration_items(self):
# Configuration gives keys in an unordered manner. Order them.
override_order = ["global", self.name, ":env:"]
# Pool the options into different groups
section_items = {name: [] for name in override_order}
for section_key, val in self.config.items():
# ignore empty values
if not val:
logger.debug(
"Ignoring configuration key '%s' as it's value is empty.",
section_key
)
continue
section, key = section_key.split(".", 1)
if section in override_order:
section_items[section].append((key, val))
# Yield each group in their override order
for section in override_order:
for key, val in section_items[section]:
yield key, val
def _update_defaults(self, defaults):
"""Updates the given defaults with values from the config files and
the environ. Does a little special handling for certain types of
options (lists)."""
# Accumulate complex default state.
self.values = optparse.Values(self.defaults)
late_eval = set()
# Then set the options with those values
for key, val in self._get_ordered_configuration_items():
# '--' because configuration supports only long names
option = self.get_option('--' + key)
# Ignore options not present in this parser. E.g. non-globals put
# in [global] by users that want them to apply to all applicable
# commands.
if option is None:
continue
if option.action in ('store_true', 'store_false', 'count'):
try:
val = strtobool(val)
except ValueError:
error_msg = invalid_config_error_message(
option.action, key, val
)
self.error(error_msg)
elif option.action == 'append':
val = val.split()
val = [self.check_default(option, key, v) for v in val]
elif option.action == 'callback':
late_eval.add(option.dest)
opt_str = option.get_opt_string()
val = option.convert_value(opt_str, val)
# From take_action
args = option.callback_args or ()
kwargs = option.callback_kwargs or {}
option.callback(option, opt_str, val, self, *args, **kwargs)
else:
val = self.check_default(option, key, val)
defaults[option.dest] = val
for key in late_eval:
defaults[key] = getattr(self.values, key)
self.values = None
return defaults
def get_default_values(self):
"""Overriding to make updating the defaults after instantiation of
the option parser possible, _update_defaults() does the dirty work."""
if not self.process_default_values:
# Old, pre-Optik 1.5 behaviour.
return optparse.Values(self.defaults)
# Load the configuration, or error out in case of an error
try:
self.config.load()
except ConfigurationError as err:
self.exit(UNKNOWN_ERROR, str(err))
defaults = self._update_defaults(self.defaults.copy()) # ours
for option in self._get_all_options():
default = defaults.get(option.dest)
if isinstance(default, string_types):
opt_str = option.get_opt_string()
defaults[option.dest] = option.check_value(opt_str, default)
return optparse.Values(defaults)
def error(self, msg):
self.print_usage(sys.stderr)
self.exit(UNKNOWN_ERROR, "%s\n" % msg)
def invalid_config_error_message(action, key, val):
"""Returns a better error message when invalid configuration option
is provided."""
if action in ('store_true', 'store_false'):
return ("{0} is not a valid value for {1} option, "
"please specify a boolean value like yes/no, "
"true/false or 1/0 instead.").format(val, key)
return ("{0} is not a valid value for {1} option, "
"please specify a numerical value like 1/0 "
"instead.").format(val, key)

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from __future__ import absolute_import
SUCCESS = 0
ERROR = 1
UNKNOWN_ERROR = 2
VIRTUALENV_NOT_FOUND = 3
PREVIOUS_BUILD_DIR_ERROR = 4
NO_MATCHES_FOUND = 23

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"""
Package containing all pip commands
"""
from __future__ import absolute_import
from pip._internal.commands.completion import CompletionCommand
from pip._internal.commands.configuration import ConfigurationCommand
from pip._internal.commands.download import DownloadCommand
from pip._internal.commands.freeze import FreezeCommand
from pip._internal.commands.hash import HashCommand
from pip._internal.commands.help import HelpCommand
from pip._internal.commands.list import ListCommand
from pip._internal.commands.check import CheckCommand
from pip._internal.commands.search import SearchCommand
from pip._internal.commands.show import ShowCommand
from pip._internal.commands.install import InstallCommand
from pip._internal.commands.uninstall import UninstallCommand
from pip._internal.commands.wheel import WheelCommand
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import List, Type # noqa: F401
from pip._internal.cli.base_command import Command # noqa: F401
commands_order = [
InstallCommand,
DownloadCommand,
UninstallCommand,
FreezeCommand,
ListCommand,
ShowCommand,
CheckCommand,
ConfigurationCommand,
SearchCommand,
WheelCommand,
HashCommand,
CompletionCommand,
HelpCommand,
] # type: List[Type[Command]]
commands_dict = {c.name: c for c in commands_order}
def get_summaries(ordered=True):
"""Yields sorted (command name, command summary) tuples."""
if ordered:
cmditems = _sort_commands(commands_dict, commands_order)
else:
cmditems = commands_dict.items()
for name, command_class in cmditems:
yield (name, command_class.summary)
def get_similar_commands(name):
"""Command name auto-correct."""
from difflib import get_close_matches
name = name.lower()
close_commands = get_close_matches(name, commands_dict.keys())
if close_commands:
return close_commands[0]
else:
return False
def _sort_commands(cmddict, order):
def keyfn(key):
try:
return order.index(key[1])
except ValueError:
# unordered items should come last
return 0xff
return sorted(cmddict.items(), key=keyfn)

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import logging
from pip._internal.cli.base_command import Command
from pip._internal.operations.check import (
check_package_set, create_package_set_from_installed,
)
logger = logging.getLogger(__name__)
class CheckCommand(Command):
"""Verify installed packages have compatible dependencies."""
name = 'check'
usage = """
%prog [options]"""
summary = 'Verify installed packages have compatible dependencies.'
def run(self, options, args):
package_set, parsing_probs = create_package_set_from_installed()
missing, conflicting = check_package_set(package_set)
for project_name in missing:
version = package_set[project_name].version
for dependency in missing[project_name]:
logger.info(
"%s %s requires %s, which is not installed.",
project_name, version, dependency[0],
)
for project_name in conflicting:
version = package_set[project_name].version
for dep_name, dep_version, req in conflicting[project_name]:
logger.info(
"%s %s has requirement %s, but you have %s %s.",
project_name, version, req, dep_name, dep_version,
)
if missing or conflicting or parsing_probs:
return 1
else:
logger.info("No broken requirements found.")

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from __future__ import absolute_import
import sys
import textwrap
from pip._internal.cli.base_command import Command
from pip._internal.utils.misc import get_prog
BASE_COMPLETION = """
# pip %(shell)s completion start%(script)s# pip %(shell)s completion end
"""
COMPLETION_SCRIPTS = {
'bash': """
_pip_completion()
{
COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \\
COMP_CWORD=$COMP_CWORD \\
PIP_AUTO_COMPLETE=1 $1 ) )
}
complete -o default -F _pip_completion %(prog)s
""",
'zsh': """
function _pip_completion {
local words cword
read -Ac words
read -cn cword
reply=( $( COMP_WORDS="$words[*]" \\
COMP_CWORD=$(( cword-1 )) \\
PIP_AUTO_COMPLETE=1 $words[1] ) )
}
compctl -K _pip_completion %(prog)s
""",
'fish': """
function __fish_complete_pip
set -lx COMP_WORDS (commandline -o) ""
set -lx COMP_CWORD ( \\
math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\
)
set -lx PIP_AUTO_COMPLETE 1
string split \\ -- (eval $COMP_WORDS[1])
end
complete -fa "(__fish_complete_pip)" -c %(prog)s
""",
}
class CompletionCommand(Command):
"""A helper command to be used for command completion."""
name = 'completion'
summary = 'A helper command used for command completion.'
ignore_require_venv = True
def __init__(self, *args, **kw):
super(CompletionCommand, self).__init__(*args, **kw)
cmd_opts = self.cmd_opts
cmd_opts.add_option(
'--bash', '-b',
action='store_const',
const='bash',
dest='shell',
help='Emit completion code for bash')
cmd_opts.add_option(
'--zsh', '-z',
action='store_const',
const='zsh',
dest='shell',
help='Emit completion code for zsh')
cmd_opts.add_option(
'--fish', '-f',
action='store_const',
const='fish',
dest='shell',
help='Emit completion code for fish')
self.parser.insert_option_group(0, cmd_opts)
def run(self, options, args):
"""Prints the completion code of the given shell"""
shells = COMPLETION_SCRIPTS.keys()
shell_options = ['--' + shell for shell in sorted(shells)]
if options.shell in shells:
script = textwrap.dedent(
COMPLETION_SCRIPTS.get(options.shell, '') % {
'prog': get_prog(),
}
)
print(BASE_COMPLETION % {'script': script, 'shell': options.shell})
else:
sys.stderr.write(
'ERROR: You must pass %s\n' % ' or '.join(shell_options)
)

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import logging
import os
import subprocess
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR, SUCCESS
from pip._internal.configuration import Configuration, kinds
from pip._internal.exceptions import PipError
from pip._internal.locations import venv_config_file
from pip._internal.utils.misc import get_prog
logger = logging.getLogger(__name__)
class ConfigurationCommand(Command):
"""Manage local and global configuration.
Subcommands:
list: List the active configuration (or from the file specified)
edit: Edit the configuration file in an editor
get: Get the value associated with name
set: Set the name=value
unset: Unset the value associated with name
If none of --user, --global and --venv are passed, a virtual
environment configuration file is used if one is active and the file
exists. Otherwise, all modifications happen on the to the user file by
default.
"""
name = 'config'
usage = """
%prog [<file-option>] list
%prog [<file-option>] [--editor <editor-path>] edit
%prog [<file-option>] get name
%prog [<file-option>] set name value
%prog [<file-option>] unset name
"""
summary = "Manage local and global configuration."
def __init__(self, *args, **kwargs):
super(ConfigurationCommand, self).__init__(*args, **kwargs)
self.configuration = None
self.cmd_opts.add_option(
'--editor',
dest='editor',
action='store',
default=None,
help=(
'Editor to use to edit the file. Uses VISUAL or EDITOR '
'environment variables if not provided.'
)
)
self.cmd_opts.add_option(
'--global',
dest='global_file',
action='store_true',
default=False,
help='Use the system-wide configuration file only'
)
self.cmd_opts.add_option(
'--user',
dest='user_file',
action='store_true',
default=False,
help='Use the user configuration file only'
)
self.cmd_opts.add_option(
'--venv',
dest='venv_file',
action='store_true',
default=False,
help='Use the virtualenv configuration file only'
)
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options, args):
handlers = {
"list": self.list_values,
"edit": self.open_in_editor,
"get": self.get_name,
"set": self.set_name_value,
"unset": self.unset_name
}
# Determine action
if not args or args[0] not in handlers:
logger.error("Need an action ({}) to perform.".format(
", ".join(sorted(handlers)))
)
return ERROR
action = args[0]
# Determine which configuration files are to be loaded
# Depends on whether the command is modifying.
try:
load_only = self._determine_file(
options, need_value=(action in ["get", "set", "unset", "edit"])
)
except PipError as e:
logger.error(e.args[0])
return ERROR
# Load a new configuration
self.configuration = Configuration(
isolated=options.isolated_mode, load_only=load_only
)
self.configuration.load()
# Error handling happens here, not in the action-handlers.
try:
handlers[action](options, args[1:])
except PipError as e:
logger.error(e.args[0])
return ERROR
return SUCCESS
def _determine_file(self, options, need_value):
file_options = {
kinds.USER: options.user_file,
kinds.GLOBAL: options.global_file,
kinds.VENV: options.venv_file
}
if sum(file_options.values()) == 0:
if not need_value:
return None
# Default to user, unless there's a virtualenv file.
elif os.path.exists(venv_config_file):
return kinds.VENV
else:
return kinds.USER
elif sum(file_options.values()) == 1:
# There's probably a better expression for this.
return [key for key in file_options if file_options[key]][0]
raise PipError(
"Need exactly one file to operate upon "
"(--user, --venv, --global) to perform."
)
def list_values(self, options, args):
self._get_n_args(args, "list", n=0)
for key, value in sorted(self.configuration.items()):
logger.info("%s=%r", key, value)
def get_name(self, options, args):
key = self._get_n_args(args, "get [name]", n=1)
value = self.configuration.get_value(key)
logger.info("%s", value)
def set_name_value(self, options, args):
key, value = self._get_n_args(args, "set [name] [value]", n=2)
self.configuration.set_value(key, value)
self._save_configuration()
def unset_name(self, options, args):
key = self._get_n_args(args, "unset [name]", n=1)
self.configuration.unset_value(key)
self._save_configuration()
def open_in_editor(self, options, args):
editor = self._determine_editor(options)
fname = self.configuration.get_file_to_edit()
if fname is None:
raise PipError("Could not determine appropriate file.")
try:
subprocess.check_call([editor, fname])
except subprocess.CalledProcessError as e:
raise PipError(
"Editor Subprocess exited with exit code {}"
.format(e.returncode)
)
def _get_n_args(self, args, example, n):
"""Helper to make sure the command got the right number of arguments
"""
if len(args) != n:
msg = (
'Got unexpected number of arguments, expected {}. '
'(example: "{} config {}")'
).format(n, get_prog(), example)
raise PipError(msg)
if n == 1:
return args[0]
else:
return args
def _save_configuration(self):
# We successfully ran a modifying command. Need to save the
# configuration.
try:
self.configuration.save()
except Exception:
logger.error(
"Unable to save configuration. Please report this as a bug.",
exc_info=1
)
raise PipError("Internal Error.")
def _determine_editor(self, options):
if options.editor is not None:
return options.editor
elif "VISUAL" in os.environ:
return os.environ["VISUAL"]
elif "EDITOR" in os.environ:
return os.environ["EDITOR"]
else:
raise PipError("Could not determine editor to use.")

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from __future__ import absolute_import
import logging
import os
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import RequirementCommand
from pip._internal.operations.prepare import RequirementPreparer
from pip._internal.req import RequirementSet
from pip._internal.req.req_tracker import RequirementTracker
from pip._internal.resolve import Resolver
from pip._internal.utils.filesystem import check_path_owner
from pip._internal.utils.misc import ensure_dir, normalize_path
from pip._internal.utils.temp_dir import TempDirectory
logger = logging.getLogger(__name__)
class DownloadCommand(RequirementCommand):
"""
Download packages from:
- PyPI (and other indexes) using requirement specifiers.
- VCS project urls.
- Local project directories.
- Local or remote source archives.
pip also supports downloading from "requirements files", which provide
an easy way to specify a whole environment to be downloaded.
"""
name = 'download'
usage = """
%prog [options] <requirement specifier> [package-index-options] ...
%prog [options] -r <requirements file> [package-index-options] ...
%prog [options] <vcs project url> ...
%prog [options] <local project path> ...
%prog [options] <archive url/path> ..."""
summary = 'Download packages.'
def __init__(self, *args, **kw):
super(DownloadCommand, self).__init__(*args, **kw)
cmd_opts = self.cmd_opts
cmd_opts.add_option(cmdoptions.constraints())
cmd_opts.add_option(cmdoptions.requirements())
cmd_opts.add_option(cmdoptions.build_dir())
cmd_opts.add_option(cmdoptions.no_deps())
cmd_opts.add_option(cmdoptions.global_options())
cmd_opts.add_option(cmdoptions.no_binary())
cmd_opts.add_option(cmdoptions.only_binary())
cmd_opts.add_option(cmdoptions.prefer_binary())
cmd_opts.add_option(cmdoptions.src())
cmd_opts.add_option(cmdoptions.pre())
cmd_opts.add_option(cmdoptions.no_clean())
cmd_opts.add_option(cmdoptions.require_hashes())
cmd_opts.add_option(cmdoptions.progress_bar())
cmd_opts.add_option(cmdoptions.no_build_isolation())
cmd_opts.add_option(cmdoptions.use_pep517())
cmd_opts.add_option(cmdoptions.no_use_pep517())
cmd_opts.add_option(
'-d', '--dest', '--destination-dir', '--destination-directory',
dest='download_dir',
metavar='dir',
default=os.curdir,
help=("Download packages into <dir>."),
)
cmd_opts.add_option(cmdoptions.platform())
cmd_opts.add_option(cmdoptions.python_version())
cmd_opts.add_option(cmdoptions.implementation())
cmd_opts.add_option(cmdoptions.abi())
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
self.parser,
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, cmd_opts)
def run(self, options, args):
options.ignore_installed = True
# editable doesn't really make sense for `pip download`, but the bowels
# of the RequirementSet code require that property.
options.editables = []
if options.python_version:
python_versions = [options.python_version]
else:
python_versions = None
cmdoptions.check_dist_restriction(options)
options.src_dir = os.path.abspath(options.src_dir)
options.download_dir = normalize_path(options.download_dir)
ensure_dir(options.download_dir)
with self._build_session(options) as session:
finder = self._build_package_finder(
options=options,
session=session,
platform=options.platform,
python_versions=python_versions,
abi=options.abi,
implementation=options.implementation,
)
build_delete = (not (options.no_clean or options.build_dir))
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete, kind="download"
) as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes,
)
self.populate_requirement_set(
requirement_set,
args,
options,
finder,
session,
self.name,
None
)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=options.download_dir,
wheel_download_dir=None,
progress_bar=options.progress_bar,
build_isolation=options.build_isolation,
req_tracker=req_tracker,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=None,
use_user_site=False,
upgrade_strategy="to-satisfy-only",
force_reinstall=False,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=False,
ignore_installed=True,
isolated=options.isolated_mode,
)
resolver.resolve(requirement_set)
downloaded = ' '.join([
req.name for req in requirement_set.successfully_downloaded
])
if downloaded:
logger.info('Successfully downloaded %s', downloaded)
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
return requirement_set

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from __future__ import absolute_import
import sys
from pip._internal.cache import WheelCache
from pip._internal.cli.base_command import Command
from pip._internal.models.format_control import FormatControl
from pip._internal.operations.freeze import freeze
from pip._internal.utils.compat import stdlib_pkgs
DEV_PKGS = {'pip', 'setuptools', 'distribute', 'wheel'}
class FreezeCommand(Command):
"""
Output installed packages in requirements format.
packages are listed in a case-insensitive sorted order.
"""
name = 'freeze'
usage = """
%prog [options]"""
summary = 'Output installed packages in requirements format.'
log_streams = ("ext://sys.stderr", "ext://sys.stderr")
def __init__(self, *args, **kw):
super(FreezeCommand, self).__init__(*args, **kw)
self.cmd_opts.add_option(
'-r', '--requirement',
dest='requirements',
action='append',
default=[],
metavar='file',
help="Use the order in the given requirements file and its "
"comments when generating output. This option can be "
"used multiple times.")
self.cmd_opts.add_option(
'-f', '--find-links',
dest='find_links',
action='append',
default=[],
metavar='URL',
help='URL for finding packages, which will be added to the '
'output.')
self.cmd_opts.add_option(
'-l', '--local',
dest='local',
action='store_true',
default=False,
help='If in a virtualenv that has global access, do not output '
'globally-installed packages.')
self.cmd_opts.add_option(
'--user',
dest='user',
action='store_true',
default=False,
help='Only output packages installed in user-site.')
self.cmd_opts.add_option(
'--all',
dest='freeze_all',
action='store_true',
help='Do not skip these packages in the output:'
' %s' % ', '.join(DEV_PKGS))
self.cmd_opts.add_option(
'--exclude-editable',
dest='exclude_editable',
action='store_true',
help='Exclude editable package from output.')
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options, args):
format_control = FormatControl(set(), set())
wheel_cache = WheelCache(options.cache_dir, format_control)
skip = set(stdlib_pkgs)
if not options.freeze_all:
skip.update(DEV_PKGS)
freeze_kwargs = dict(
requirement=options.requirements,
find_links=options.find_links,
local_only=options.local,
user_only=options.user,
skip_regex=options.skip_requirements_regex,
isolated=options.isolated_mode,
wheel_cache=wheel_cache,
skip=skip,
exclude_editable=options.exclude_editable,
)
try:
for line in freeze(**freeze_kwargs):
sys.stdout.write(line + '\n')
finally:
wheel_cache.cleanup()

57
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from __future__ import absolute_import
import hashlib
import logging
import sys
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR
from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES
from pip._internal.utils.misc import read_chunks
logger = logging.getLogger(__name__)
class HashCommand(Command):
"""
Compute a hash of a local package archive.
These can be used with --hash in a requirements file to do repeatable
installs.
"""
name = 'hash'
usage = '%prog [options] <file> ...'
summary = 'Compute hashes of package archives.'
ignore_require_venv = True
def __init__(self, *args, **kw):
super(HashCommand, self).__init__(*args, **kw)
self.cmd_opts.add_option(
'-a', '--algorithm',
dest='algorithm',
choices=STRONG_HASHES,
action='store',
default=FAVORITE_HASH,
help='The hash algorithm to use: one of %s' %
', '.join(STRONG_HASHES))
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options, args):
if not args:
self.parser.print_usage(sys.stderr)
return ERROR
algorithm = options.algorithm
for path in args:
logger.info('%s:\n--hash=%s:%s',
path, algorithm, _hash_of_file(path, algorithm))
def _hash_of_file(path, algorithm):
"""Return the hash digest of a file."""
with open(path, 'rb') as archive:
hash = hashlib.new(algorithm)
for chunk in read_chunks(archive):
hash.update(chunk)
return hash.hexdigest()

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from __future__ import absolute_import
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.exceptions import CommandError
class HelpCommand(Command):
"""Show help for commands"""
name = 'help'
usage = """
%prog <command>"""
summary = 'Show help for commands.'
ignore_require_venv = True
def run(self, options, args):
from pip._internal.commands import commands_dict, get_similar_commands
try:
# 'pip help' with no args is handled by pip.__init__.parseopt()
cmd_name = args[0] # the command we need help for
except IndexError:
return SUCCESS
if cmd_name not in commands_dict:
guess = get_similar_commands(cmd_name)
msg = ['unknown command "%s"' % cmd_name]
if guess:
msg.append('maybe you meant "%s"' % guess)
raise CommandError(' - '.join(msg))
command = commands_dict[cmd_name]()
command.parser.print_help()
return SUCCESS

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from __future__ import absolute_import
import errno
import logging
import operator
import os
import shutil
from optparse import SUPPRESS_HELP
from pip._vendor import pkg_resources
from pip._internal.cache import WheelCache
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import RequirementCommand
from pip._internal.cli.status_codes import ERROR
from pip._internal.exceptions import (
CommandError, InstallationError, PreviousBuildDirError,
)
from pip._internal.locations import distutils_scheme, virtualenv_no_global
from pip._internal.operations.check import check_install_conflicts
from pip._internal.operations.prepare import RequirementPreparer
from pip._internal.req import RequirementSet, install_given_reqs
from pip._internal.req.req_tracker import RequirementTracker
from pip._internal.resolve import Resolver
from pip._internal.utils.filesystem import check_path_owner
from pip._internal.utils.misc import (
ensure_dir, get_installed_version,
protect_pip_from_modification_on_windows,
)
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.wheel import WheelBuilder
logger = logging.getLogger(__name__)
class InstallCommand(RequirementCommand):
"""
Install packages from:
- PyPI (and other indexes) using requirement specifiers.
- VCS project urls.
- Local project directories.
- Local or remote source archives.
pip also supports installing from "requirements files", which provide
an easy way to specify a whole environment to be installed.
"""
name = 'install'
usage = """
%prog [options] <requirement specifier> [package-index-options] ...
%prog [options] -r <requirements file> [package-index-options] ...
%prog [options] [-e] <vcs project url> ...
%prog [options] [-e] <local project path> ...
%prog [options] <archive url/path> ..."""
summary = 'Install packages.'
def __init__(self, *args, **kw):
super(InstallCommand, self).__init__(*args, **kw)
cmd_opts = self.cmd_opts
cmd_opts.add_option(cmdoptions.requirements())
cmd_opts.add_option(cmdoptions.constraints())
cmd_opts.add_option(cmdoptions.no_deps())
cmd_opts.add_option(cmdoptions.pre())
cmd_opts.add_option(cmdoptions.editable())
cmd_opts.add_option(
'-t', '--target',
dest='target_dir',
metavar='dir',
default=None,
help='Install packages into <dir>. '
'By default this will not replace existing files/folders in '
'<dir>. Use --upgrade to replace existing packages in <dir> '
'with new versions.'
)
cmd_opts.add_option(cmdoptions.platform())
cmd_opts.add_option(cmdoptions.python_version())
cmd_opts.add_option(cmdoptions.implementation())
cmd_opts.add_option(cmdoptions.abi())
cmd_opts.add_option(
'--user',
dest='use_user_site',
action='store_true',
help="Install to the Python user install directory for your "
"platform. Typically ~/.local/, or %APPDATA%\\Python on "
"Windows. (See the Python documentation for site.USER_BASE "
"for full details.)")
cmd_opts.add_option(
'--no-user',
dest='use_user_site',
action='store_false',
help=SUPPRESS_HELP)
cmd_opts.add_option(
'--root',
dest='root_path',
metavar='dir',
default=None,
help="Install everything relative to this alternate root "
"directory.")
cmd_opts.add_option(
'--prefix',
dest='prefix_path',
metavar='dir',
default=None,
help="Installation prefix where lib, bin and other top-level "
"folders are placed")
cmd_opts.add_option(cmdoptions.build_dir())
cmd_opts.add_option(cmdoptions.src())
cmd_opts.add_option(
'-U', '--upgrade',
dest='upgrade',
action='store_true',
help='Upgrade all specified packages to the newest available '
'version. The handling of dependencies depends on the '
'upgrade-strategy used.'
)
cmd_opts.add_option(
'--upgrade-strategy',
dest='upgrade_strategy',
default='only-if-needed',
choices=['only-if-needed', 'eager'],
help='Determines how dependency upgrading should be handled '
'[default: %default]. '
'"eager" - dependencies are upgraded regardless of '
'whether the currently installed version satisfies the '
'requirements of the upgraded package(s). '
'"only-if-needed" - are upgraded only when they do not '
'satisfy the requirements of the upgraded package(s).'
)
cmd_opts.add_option(
'--force-reinstall',
dest='force_reinstall',
action='store_true',
help='Reinstall all packages even if they are already '
'up-to-date.')
cmd_opts.add_option(
'-I', '--ignore-installed',
dest='ignore_installed',
action='store_true',
help='Ignore the installed packages (reinstalling instead).')
cmd_opts.add_option(cmdoptions.ignore_requires_python())
cmd_opts.add_option(cmdoptions.no_build_isolation())
cmd_opts.add_option(cmdoptions.use_pep517())
cmd_opts.add_option(cmdoptions.no_use_pep517())
cmd_opts.add_option(cmdoptions.install_options())
cmd_opts.add_option(cmdoptions.global_options())
cmd_opts.add_option(
"--compile",
action="store_true",
dest="compile",
default=True,
help="Compile Python source files to bytecode",
)
cmd_opts.add_option(
"--no-compile",
action="store_false",
dest="compile",
help="Do not compile Python source files to bytecode",
)
cmd_opts.add_option(
"--no-warn-script-location",
action="store_false",
dest="warn_script_location",
default=True,
help="Do not warn when installing scripts outside PATH",
)
cmd_opts.add_option(
"--no-warn-conflicts",
action="store_false",
dest="warn_about_conflicts",
default=True,
help="Do not warn about broken dependencies",
)
cmd_opts.add_option(cmdoptions.no_binary())
cmd_opts.add_option(cmdoptions.only_binary())
cmd_opts.add_option(cmdoptions.prefer_binary())
cmd_opts.add_option(cmdoptions.no_clean())
cmd_opts.add_option(cmdoptions.require_hashes())
cmd_opts.add_option(cmdoptions.progress_bar())
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
self.parser,
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, cmd_opts)
def run(self, options, args):
cmdoptions.check_install_build_global(options)
upgrade_strategy = "to-satisfy-only"
if options.upgrade:
upgrade_strategy = options.upgrade_strategy
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
cmdoptions.check_dist_restriction(options, check_target=True)
if options.python_version:
python_versions = [options.python_version]
else:
python_versions = None
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
if options.use_user_site:
if options.prefix_path:
raise CommandError(
"Can not combine '--user' and '--prefix' as they imply "
"different installation locations"
)
if virtualenv_no_global():
raise InstallationError(
"Can not perform a '--user' install. User site-packages "
"are not visible in this virtualenv."
)
install_options.append('--user')
install_options.append('--prefix=')
target_temp_dir = TempDirectory(kind="target")
if options.target_dir:
options.ignore_installed = True
options.target_dir = os.path.abspath(options.target_dir)
if (os.path.exists(options.target_dir) and not
os.path.isdir(options.target_dir)):
raise CommandError(
"Target path exists but is not a directory, will not "
"continue."
)
# Create a target directory for using with the target option
target_temp_dir.create()
install_options.append('--home=' + target_temp_dir.path)
global_options = options.global_options or []
with self._build_session(options) as session:
finder = self._build_package_finder(
options=options,
session=session,
platform=options.platform,
python_versions=python_versions,
abi=options.abi,
implementation=options.implementation,
)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
if options.cache_dir and not check_path_owner(options.cache_dir):
logger.warning(
"The directory '%s' or its parent directory is not owned "
"by the current user and caching wheels has been "
"disabled. check the permissions and owner of that "
"directory. If executing pip with sudo, you may want "
"sudo's -H flag.",
options.cache_dir,
)
options.cache_dir = None
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete, kind="install"
) as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes,
check_supported_wheels=not options.target_dir,
)
try:
self.populate_requirement_set(
requirement_set, args, options, finder, session,
self.name, wheel_cache
)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=None,
wheel_download_dir=None,
progress_bar=options.progress_bar,
build_isolation=options.build_isolation,
req_tracker=req_tracker,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=wheel_cache,
use_user_site=options.use_user_site,
upgrade_strategy=upgrade_strategy,
force_reinstall=options.force_reinstall,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=options.ignore_requires_python,
ignore_installed=options.ignore_installed,
isolated=options.isolated_mode,
use_pep517=options.use_pep517
)
resolver.resolve(requirement_set)
protect_pip_from_modification_on_windows(
modifying_pip=requirement_set.has_requirement("pip")
)
# Consider legacy and PEP517-using requirements separately
legacy_requirements = []
pep517_requirements = []
for req in requirement_set.requirements.values():
if req.use_pep517:
pep517_requirements.append(req)
else:
legacy_requirements.append(req)
# We don't build wheels for legacy requirements if we
# don't have wheel installed or we don't have a cache dir
try:
import wheel # noqa: F401
build_legacy = bool(options.cache_dir)
except ImportError:
build_legacy = False
wb = WheelBuilder(
finder, preparer, wheel_cache,
build_options=[], global_options=[],
)
# Always build PEP 517 requirements
build_failures = wb.build(
pep517_requirements,
session=session, autobuilding=True
)
if build_legacy:
# We don't care about failures building legacy
# requirements, as we'll fall through to a direct
# install for those.
wb.build(
legacy_requirements,
session=session, autobuilding=True
)
# If we're using PEP 517, we cannot do a direct install
# so we fail here.
if build_failures:
raise InstallationError(
"Could not build wheels for {} which use"
" PEP 517 and cannot be installed directly".format(
", ".join(r.name for r in build_failures)))
to_install = resolver.get_installation_order(
requirement_set
)
# Consistency Checking of the package set we're installing.
should_warn_about_conflicts = (
not options.ignore_dependencies and
options.warn_about_conflicts
)
if should_warn_about_conflicts:
self._warn_about_conflicts(to_install)
# Don't warn about script install locations if
# --target has been specified
warn_script_location = options.warn_script_location
if options.target_dir:
warn_script_location = False
installed = install_given_reqs(
to_install,
install_options,
global_options,
root=options.root_path,
home=target_temp_dir.path,
prefix=options.prefix_path,
pycompile=options.compile,
warn_script_location=warn_script_location,
use_user_site=options.use_user_site,
)
lib_locations = get_lib_location_guesses(
user=options.use_user_site,
home=target_temp_dir.path,
root=options.root_path,
prefix=options.prefix_path,
isolated=options.isolated_mode,
)
working_set = pkg_resources.WorkingSet(lib_locations)
reqs = sorted(installed, key=operator.attrgetter('name'))
items = []
for req in reqs:
item = req.name
try:
installed_version = get_installed_version(
req.name, working_set=working_set
)
if installed_version:
item += '-' + installed_version
except Exception:
pass
items.append(item)
installed = ' '.join(items)
if installed:
logger.info('Successfully installed %s', installed)
except EnvironmentError as error:
show_traceback = (self.verbosity >= 1)
message = create_env_error_message(
error, show_traceback, options.use_user_site,
)
logger.error(message, exc_info=show_traceback)
return ERROR
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
# Clean up
if not options.no_clean:
requirement_set.cleanup_files()
wheel_cache.cleanup()
if options.target_dir:
self._handle_target_dir(
options.target_dir, target_temp_dir, options.upgrade
)
return requirement_set
def _handle_target_dir(self, target_dir, target_temp_dir, upgrade):
ensure_dir(target_dir)
# Checking both purelib and platlib directories for installed
# packages to be moved to target directory
lib_dir_list = []
with target_temp_dir:
# Checking both purelib and platlib directories for installed
# packages to be moved to target directory
scheme = distutils_scheme('', home=target_temp_dir.path)
purelib_dir = scheme['purelib']
platlib_dir = scheme['platlib']
data_dir = scheme['data']
if os.path.exists(purelib_dir):
lib_dir_list.append(purelib_dir)
if os.path.exists(platlib_dir) and platlib_dir != purelib_dir:
lib_dir_list.append(platlib_dir)
if os.path.exists(data_dir):
lib_dir_list.append(data_dir)
for lib_dir in lib_dir_list:
for item in os.listdir(lib_dir):
if lib_dir == data_dir:
ddir = os.path.join(data_dir, item)
if any(s.startswith(ddir) for s in lib_dir_list[:-1]):
continue
target_item_dir = os.path.join(target_dir, item)
if os.path.exists(target_item_dir):
if not upgrade:
logger.warning(
'Target directory %s already exists. Specify '
'--upgrade to force replacement.',
target_item_dir
)
continue
if os.path.islink(target_item_dir):
logger.warning(
'Target directory %s already exists and is '
'a link. Pip will not automatically replace '
'links, please remove if replacement is '
'desired.',
target_item_dir
)
continue
if os.path.isdir(target_item_dir):
shutil.rmtree(target_item_dir)
else:
os.remove(target_item_dir)
shutil.move(
os.path.join(lib_dir, item),
target_item_dir
)
def _warn_about_conflicts(self, to_install):
try:
package_set, _dep_info = check_install_conflicts(to_install)
except Exception:
logger.error("Error checking for conflicts.", exc_info=True)
return
missing, conflicting = _dep_info
# NOTE: There is some duplication here from pip check
for project_name in missing:
version = package_set[project_name][0]
for dependency in missing[project_name]:
logger.critical(
"%s %s requires %s, which is not installed.",
project_name, version, dependency[1],
)
for project_name in conflicting:
version = package_set[project_name][0]
for dep_name, dep_version, req in conflicting[project_name]:
logger.critical(
"%s %s has requirement %s, but you'll have %s %s which is "
"incompatible.",
project_name, version, req, dep_name, dep_version,
)
def get_lib_location_guesses(*args, **kwargs):
scheme = distutils_scheme('', *args, **kwargs)
return [scheme['purelib'], scheme['platlib']]
def create_env_error_message(error, show_traceback, using_user_site):
"""Format an error message for an EnvironmentError
It may occur anytime during the execution of the install command.
"""
parts = []
# Mention the error if we are not going to show a traceback
parts.append("Could not install packages due to an EnvironmentError")
if not show_traceback:
parts.append(": ")
parts.append(str(error))
else:
parts.append(".")
# Spilt the error indication from a helper message (if any)
parts[-1] += "\n"
# Suggest useful actions to the user:
# (1) using user site-packages or (2) verifying the permissions
if error.errno == errno.EACCES:
user_option_part = "Consider using the `--user` option"
permissions_part = "Check the permissions"
if not using_user_site:
parts.extend([
user_option_part, " or ",
permissions_part.lower(),
])
else:
parts.append(permissions_part)
parts.append(".\n")
return "".join(parts).strip() + "\n"

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from __future__ import absolute_import
import json
import logging
from pip._vendor import six
from pip._vendor.six.moves import zip_longest
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import Command
from pip._internal.exceptions import CommandError
from pip._internal.index import PackageFinder
from pip._internal.utils.misc import (
dist_is_editable, get_installed_distributions,
)
from pip._internal.utils.packaging import get_installer
logger = logging.getLogger(__name__)
class ListCommand(Command):
"""
List installed packages, including editables.
Packages are listed in a case-insensitive sorted order.
"""
name = 'list'
usage = """
%prog [options]"""
summary = 'List installed packages.'
def __init__(self, *args, **kw):
super(ListCommand, self).__init__(*args, **kw)
cmd_opts = self.cmd_opts
cmd_opts.add_option(
'-o', '--outdated',
action='store_true',
default=False,
help='List outdated packages')
cmd_opts.add_option(
'-u', '--uptodate',
action='store_true',
default=False,
help='List uptodate packages')
cmd_opts.add_option(
'-e', '--editable',
action='store_true',
default=False,
help='List editable projects.')
cmd_opts.add_option(
'-l', '--local',
action='store_true',
default=False,
help=('If in a virtualenv that has global access, do not list '
'globally-installed packages.'),
)
self.cmd_opts.add_option(
'--user',
dest='user',
action='store_true',
default=False,
help='Only output packages installed in user-site.')
cmd_opts.add_option(
'--pre',
action='store_true',
default=False,
help=("Include pre-release and development versions. By default, "
"pip only finds stable versions."),
)
cmd_opts.add_option(
'--format',
action='store',
dest='list_format',
default="columns",
choices=('columns', 'freeze', 'json'),
help="Select the output format among: columns (default), freeze, "
"or json",
)
cmd_opts.add_option(
'--not-required',
action='store_true',
dest='not_required',
help="List packages that are not dependencies of "
"installed packages.",
)
cmd_opts.add_option(
'--exclude-editable',
action='store_false',
dest='include_editable',
help='Exclude editable package from output.',
)
cmd_opts.add_option(
'--include-editable',
action='store_true',
dest='include_editable',
help='Include editable package from output.',
default=True,
)
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group, self.parser
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, cmd_opts)
def _build_package_finder(self, options, index_urls, session):
"""
Create a package finder appropriate to this list command.
"""
return PackageFinder(
find_links=options.find_links,
index_urls=index_urls,
allow_all_prereleases=options.pre,
trusted_hosts=options.trusted_hosts,
session=session,
)
def run(self, options, args):
if options.outdated and options.uptodate:
raise CommandError(
"Options --outdated and --uptodate cannot be combined.")
packages = get_installed_distributions(
local_only=options.local,
user_only=options.user,
editables_only=options.editable,
include_editables=options.include_editable,
)
# get_not_required must be called firstly in order to find and
# filter out all dependencies correctly. Otherwise a package
# can't be identified as requirement because some parent packages
# could be filtered out before.
if options.not_required:
packages = self.get_not_required(packages, options)
if options.outdated:
packages = self.get_outdated(packages, options)
elif options.uptodate:
packages = self.get_uptodate(packages, options)
self.output_package_listing(packages, options)
def get_outdated(self, packages, options):
return [
dist for dist in self.iter_packages_latest_infos(packages, options)
if dist.latest_version > dist.parsed_version
]
def get_uptodate(self, packages, options):
return [
dist for dist in self.iter_packages_latest_infos(packages, options)
if dist.latest_version == dist.parsed_version
]
def get_not_required(self, packages, options):
dep_keys = set()
for dist in packages:
dep_keys.update(requirement.key for requirement in dist.requires())
return {pkg for pkg in packages if pkg.key not in dep_keys}
def iter_packages_latest_infos(self, packages, options):
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
logger.debug('Ignoring indexes: %s', ','.join(index_urls))
index_urls = []
with self._build_session(options) as session:
finder = self._build_package_finder(options, index_urls, session)
for dist in packages:
typ = 'unknown'
all_candidates = finder.find_all_candidates(dist.key)
if not options.pre:
# Remove prereleases
all_candidates = [candidate for candidate in all_candidates
if not candidate.version.is_prerelease]
if not all_candidates:
continue
best_candidate = max(all_candidates,
key=finder._candidate_sort_key)
remote_version = best_candidate.version
if best_candidate.location.is_wheel:
typ = 'wheel'
else:
typ = 'sdist'
# This is dirty but makes the rest of the code much cleaner
dist.latest_version = remote_version
dist.latest_filetype = typ
yield dist
def output_package_listing(self, packages, options):
packages = sorted(
packages,
key=lambda dist: dist.project_name.lower(),
)
if options.list_format == 'columns' and packages:
data, header = format_for_columns(packages, options)
self.output_package_listing_columns(data, header)
elif options.list_format == 'freeze':
for dist in packages:
if options.verbose >= 1:
logger.info("%s==%s (%s)", dist.project_name,
dist.version, dist.location)
else:
logger.info("%s==%s", dist.project_name, dist.version)
elif options.list_format == 'json':
logger.info(format_for_json(packages, options))
def output_package_listing_columns(self, data, header):
# insert the header first: we need to know the size of column names
if len(data) > 0:
data.insert(0, header)
pkg_strings, sizes = tabulate(data)
# Create and add a separator.
if len(data) > 0:
pkg_strings.insert(1, " ".join(map(lambda x: '-' * x, sizes)))
for val in pkg_strings:
logger.info(val)
def tabulate(vals):
# From pfmoore on GitHub:
# https://github.com/pypa/pip/issues/3651#issuecomment-216932564
assert len(vals) > 0
sizes = [0] * max(len(x) for x in vals)
for row in vals:
sizes = [max(s, len(str(c))) for s, c in zip_longest(sizes, row)]
result = []
for row in vals:
display = " ".join([str(c).ljust(s) if c is not None else ''
for s, c in zip_longest(sizes, row)])
result.append(display)
return result, sizes
def format_for_columns(pkgs, options):
"""
Convert the package data into something usable
by output_package_listing_columns.
"""
running_outdated = options.outdated
# Adjust the header for the `pip list --outdated` case.
if running_outdated:
header = ["Package", "Version", "Latest", "Type"]
else:
header = ["Package", "Version"]
data = []
if options.verbose >= 1 or any(dist_is_editable(x) for x in pkgs):
header.append("Location")
if options.verbose >= 1:
header.append("Installer")
for proj in pkgs:
# if we're working on the 'outdated' list, separate out the
# latest_version and type
row = [proj.project_name, proj.version]
if running_outdated:
row.append(proj.latest_version)
row.append(proj.latest_filetype)
if options.verbose >= 1 or dist_is_editable(proj):
row.append(proj.location)
if options.verbose >= 1:
row.append(get_installer(proj))
data.append(row)
return data, header
def format_for_json(packages, options):
data = []
for dist in packages:
info = {
'name': dist.project_name,
'version': six.text_type(dist.version),
}
if options.verbose >= 1:
info['location'] = dist.location
info['installer'] = get_installer(dist)
if options.outdated:
info['latest_version'] = six.text_type(dist.latest_version)
info['latest_filetype'] = dist.latest_filetype
data.append(info)
return json.dumps(data)

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from __future__ import absolute_import
import logging
import sys
import textwrap
from collections import OrderedDict
from pip._vendor import pkg_resources
from pip._vendor.packaging.version import parse as parse_version
# NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is
# why we ignore the type on this import
from pip._vendor.six.moves import xmlrpc_client # type: ignore
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import NO_MATCHES_FOUND, SUCCESS
from pip._internal.download import PipXmlrpcTransport
from pip._internal.exceptions import CommandError
from pip._internal.models.index import PyPI
from pip._internal.utils.compat import get_terminal_size
from pip._internal.utils.logging import indent_log
logger = logging.getLogger(__name__)
class SearchCommand(Command):
"""Search for PyPI packages whose name or summary contains <query>."""
name = 'search'
usage = """
%prog [options] <query>"""
summary = 'Search PyPI for packages.'
ignore_require_venv = True
def __init__(self, *args, **kw):
super(SearchCommand, self).__init__(*args, **kw)
self.cmd_opts.add_option(
'-i', '--index',
dest='index',
metavar='URL',
default=PyPI.pypi_url,
help='Base URL of Python Package Index (default %default)')
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options, args):
if not args:
raise CommandError('Missing required argument (search query).')
query = args
pypi_hits = self.search(query, options)
hits = transform_hits(pypi_hits)
terminal_width = None
if sys.stdout.isatty():
terminal_width = get_terminal_size()[0]
print_results(hits, terminal_width=terminal_width)
if pypi_hits:
return SUCCESS
return NO_MATCHES_FOUND
def search(self, query, options):
index_url = options.index
with self._build_session(options) as session:
transport = PipXmlrpcTransport(index_url, session)
pypi = xmlrpc_client.ServerProxy(index_url, transport)
hits = pypi.search({'name': query, 'summary': query}, 'or')
return hits
def transform_hits(hits):
"""
The list from pypi is really a list of versions. We want a list of
packages with the list of versions stored inline. This converts the
list from pypi into one we can use.
"""
packages = OrderedDict()
for hit in hits:
name = hit['name']
summary = hit['summary']
version = hit['version']
if name not in packages.keys():
packages[name] = {
'name': name,
'summary': summary,
'versions': [version],
}
else:
packages[name]['versions'].append(version)
# if this is the highest version, replace summary and score
if version == highest_version(packages[name]['versions']):
packages[name]['summary'] = summary
return list(packages.values())
def print_results(hits, name_column_width=None, terminal_width=None):
if not hits:
return
if name_column_width is None:
name_column_width = max([
len(hit['name']) + len(highest_version(hit.get('versions', ['-'])))
for hit in hits
]) + 4
installed_packages = [p.project_name for p in pkg_resources.working_set]
for hit in hits:
name = hit['name']
summary = hit['summary'] or ''
latest = highest_version(hit.get('versions', ['-']))
if terminal_width is not None:
target_width = terminal_width - name_column_width - 5
if target_width > 10:
# wrap and indent summary to fit terminal
summary = textwrap.wrap(summary, target_width)
summary = ('\n' + ' ' * (name_column_width + 3)).join(summary)
line = '%-*s - %s' % (name_column_width,
'%s (%s)' % (name, latest), summary)
try:
logger.info(line)
if name in installed_packages:
dist = pkg_resources.get_distribution(name)
with indent_log():
if dist.version == latest:
logger.info('INSTALLED: %s (latest)', dist.version)
else:
logger.info('INSTALLED: %s', dist.version)
logger.info('LATEST: %s', latest)
except UnicodeEncodeError:
pass
def highest_version(versions):
return max(versions, key=parse_version)

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from __future__ import absolute_import
import logging
import os
from email.parser import FeedParser # type: ignore
from pip._vendor import pkg_resources
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.cli.base_command import Command
from pip._internal.cli.status_codes import ERROR, SUCCESS
logger = logging.getLogger(__name__)
class ShowCommand(Command):
"""
Show information about one or more installed packages.
The output is in RFC-compliant mail header format.
"""
name = 'show'
usage = """
%prog [options] <package> ..."""
summary = 'Show information about installed packages.'
ignore_require_venv = True
def __init__(self, *args, **kw):
super(ShowCommand, self).__init__(*args, **kw)
self.cmd_opts.add_option(
'-f', '--files',
dest='files',
action='store_true',
default=False,
help='Show the full list of installed files for each package.')
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options, args):
if not args:
logger.warning('ERROR: Please provide a package name or names.')
return ERROR
query = args
results = search_packages_info(query)
if not print_results(
results, list_files=options.files, verbose=options.verbose):
return ERROR
return SUCCESS
def search_packages_info(query):
"""
Gather details from installed distributions. Print distribution name,
version, location, and installed files. Installed files requires a
pip generated 'installed-files.txt' in the distributions '.egg-info'
directory.
"""
installed = {}
for p in pkg_resources.working_set:
installed[canonicalize_name(p.project_name)] = p
query_names = [canonicalize_name(name) for name in query]
for dist in [installed[pkg] for pkg in query_names if pkg in installed]:
package = {
'name': dist.project_name,
'version': dist.version,
'location': dist.location,
'requires': [dep.project_name for dep in dist.requires()],
}
file_list = None
metadata = None
if isinstance(dist, pkg_resources.DistInfoDistribution):
# RECORDs should be part of .dist-info metadatas
if dist.has_metadata('RECORD'):
lines = dist.get_metadata_lines('RECORD')
paths = [l.split(',')[0] for l in lines]
paths = [os.path.join(dist.location, p) for p in paths]
file_list = [os.path.relpath(p, dist.location) for p in paths]
if dist.has_metadata('METADATA'):
metadata = dist.get_metadata('METADATA')
else:
# Otherwise use pip's log for .egg-info's
if dist.has_metadata('installed-files.txt'):
paths = dist.get_metadata_lines('installed-files.txt')
paths = [os.path.join(dist.egg_info, p) for p in paths]
file_list = [os.path.relpath(p, dist.location) for p in paths]
if dist.has_metadata('PKG-INFO'):
metadata = dist.get_metadata('PKG-INFO')
if dist.has_metadata('entry_points.txt'):
entry_points = dist.get_metadata_lines('entry_points.txt')
package['entry_points'] = entry_points
if dist.has_metadata('INSTALLER'):
for line in dist.get_metadata_lines('INSTALLER'):
if line.strip():
package['installer'] = line.strip()
break
# @todo: Should pkg_resources.Distribution have a
# `get_pkg_info` method?
feed_parser = FeedParser()
feed_parser.feed(metadata)
pkg_info_dict = feed_parser.close()
for key in ('metadata-version', 'summary',
'home-page', 'author', 'author-email', 'license'):
package[key] = pkg_info_dict.get(key)
# It looks like FeedParser cannot deal with repeated headers
classifiers = []
for line in metadata.splitlines():
if line.startswith('Classifier: '):
classifiers.append(line[len('Classifier: '):])
package['classifiers'] = classifiers
if file_list:
package['files'] = sorted(file_list)
yield package
def print_results(distributions, list_files=False, verbose=False):
"""
Print the informations from installed distributions found.
"""
results_printed = False
for i, dist in enumerate(distributions):
results_printed = True
if i > 0:
logger.info("---")
name = dist.get('name', '')
required_by = [
pkg.project_name for pkg in pkg_resources.working_set
if name in [required.name for required in pkg.requires()]
]
logger.info("Name: %s", name)
logger.info("Version: %s", dist.get('version', ''))
logger.info("Summary: %s", dist.get('summary', ''))
logger.info("Home-page: %s", dist.get('home-page', ''))
logger.info("Author: %s", dist.get('author', ''))
logger.info("Author-email: %s", dist.get('author-email', ''))
logger.info("License: %s", dist.get('license', ''))
logger.info("Location: %s", dist.get('location', ''))
logger.info("Requires: %s", ', '.join(dist.get('requires', [])))
logger.info("Required-by: %s", ', '.join(required_by))
if verbose:
logger.info("Metadata-Version: %s",
dist.get('metadata-version', ''))
logger.info("Installer: %s", dist.get('installer', ''))
logger.info("Classifiers:")
for classifier in dist.get('classifiers', []):
logger.info(" %s", classifier)
logger.info("Entry-points:")
for entry in dist.get('entry_points', []):
logger.info(" %s", entry.strip())
if list_files:
logger.info("Files:")
for line in dist.get('files', []):
logger.info(" %s", line.strip())
if "files" not in dist:
logger.info("Cannot locate installed-files.txt")
return results_printed

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from __future__ import absolute_import
from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.cli.base_command import Command
from pip._internal.exceptions import InstallationError
from pip._internal.req import parse_requirements
from pip._internal.req.constructors import install_req_from_line
from pip._internal.utils.misc import protect_pip_from_modification_on_windows
class UninstallCommand(Command):
"""
Uninstall packages.
pip is able to uninstall most installed packages. Known exceptions are:
- Pure distutils packages installed with ``python setup.py install``, which
leave behind no metadata to determine what files were installed.
- Script wrappers installed by ``python setup.py develop``.
"""
name = 'uninstall'
usage = """
%prog [options] <package> ...
%prog [options] -r <requirements file> ..."""
summary = 'Uninstall packages.'
def __init__(self, *args, **kw):
super(UninstallCommand, self).__init__(*args, **kw)
self.cmd_opts.add_option(
'-r', '--requirement',
dest='requirements',
action='append',
default=[],
metavar='file',
help='Uninstall all the packages listed in the given requirements '
'file. This option can be used multiple times.',
)
self.cmd_opts.add_option(
'-y', '--yes',
dest='yes',
action='store_true',
help="Don't ask for confirmation of uninstall deletions.")
self.parser.insert_option_group(0, self.cmd_opts)
def run(self, options, args):
with self._build_session(options) as session:
reqs_to_uninstall = {}
for name in args:
req = install_req_from_line(
name, isolated=options.isolated_mode,
)
if req.name:
reqs_to_uninstall[canonicalize_name(req.name)] = req
for filename in options.requirements:
for req in parse_requirements(
filename,
options=options,
session=session):
if req.name:
reqs_to_uninstall[canonicalize_name(req.name)] = req
if not reqs_to_uninstall:
raise InstallationError(
'You must give at least one requirement to %(name)s (see '
'"pip help %(name)s")' % dict(name=self.name)
)
protect_pip_from_modification_on_windows(
modifying_pip="pip" in reqs_to_uninstall
)
for req in reqs_to_uninstall.values():
uninstall_pathset = req.uninstall(
auto_confirm=options.yes, verbose=self.verbosity > 0,
)
if uninstall_pathset:
uninstall_pathset.commit()

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# -*- coding: utf-8 -*-
from __future__ import absolute_import
import logging
import os
from pip._internal.cache import WheelCache
from pip._internal.cli import cmdoptions
from pip._internal.cli.base_command import RequirementCommand
from pip._internal.exceptions import CommandError, PreviousBuildDirError
from pip._internal.operations.prepare import RequirementPreparer
from pip._internal.req import RequirementSet
from pip._internal.req.req_tracker import RequirementTracker
from pip._internal.resolve import Resolver
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.wheel import WheelBuilder
logger = logging.getLogger(__name__)
class WheelCommand(RequirementCommand):
"""
Build Wheel archives for your requirements and dependencies.
Wheel is a built-package format, and offers the advantage of not
recompiling your software during every install. For more details, see the
wheel docs: https://wheel.readthedocs.io/en/latest/
Requirements: setuptools>=0.8, and wheel.
'pip wheel' uses the bdist_wheel setuptools extension from the wheel
package to build individual wheels.
"""
name = 'wheel'
usage = """
%prog [options] <requirement specifier> ...
%prog [options] -r <requirements file> ...
%prog [options] [-e] <vcs project url> ...
%prog [options] [-e] <local project path> ...
%prog [options] <archive url/path> ..."""
summary = 'Build wheels from your requirements.'
def __init__(self, *args, **kw):
super(WheelCommand, self).__init__(*args, **kw)
cmd_opts = self.cmd_opts
cmd_opts.add_option(
'-w', '--wheel-dir',
dest='wheel_dir',
metavar='dir',
default=os.curdir,
help=("Build wheels into <dir>, where the default is the "
"current working directory."),
)
cmd_opts.add_option(cmdoptions.no_binary())
cmd_opts.add_option(cmdoptions.only_binary())
cmd_opts.add_option(cmdoptions.prefer_binary())
cmd_opts.add_option(
'--build-option',
dest='build_options',
metavar='options',
action='append',
help="Extra arguments to be supplied to 'setup.py bdist_wheel'.",
)
cmd_opts.add_option(cmdoptions.no_build_isolation())
cmd_opts.add_option(cmdoptions.use_pep517())
cmd_opts.add_option(cmdoptions.no_use_pep517())
cmd_opts.add_option(cmdoptions.constraints())
cmd_opts.add_option(cmdoptions.editable())
cmd_opts.add_option(cmdoptions.requirements())
cmd_opts.add_option(cmdoptions.src())
cmd_opts.add_option(cmdoptions.ignore_requires_python())
cmd_opts.add_option(cmdoptions.no_deps())
cmd_opts.add_option(cmdoptions.build_dir())
cmd_opts.add_option(cmdoptions.progress_bar())
cmd_opts.add_option(
'--global-option',
dest='global_options',
action='append',
metavar='options',
help="Extra global options to be supplied to the setup.py "
"call before the 'bdist_wheel' command.")
cmd_opts.add_option(
'--pre',
action='store_true',
default=False,
help=("Include pre-release and development versions. By default, "
"pip only finds stable versions."),
)
cmd_opts.add_option(cmdoptions.no_clean())
cmd_opts.add_option(cmdoptions.require_hashes())
index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
self.parser,
)
self.parser.insert_option_group(0, index_opts)
self.parser.insert_option_group(0, cmd_opts)
def run(self, options, args):
cmdoptions.check_install_build_global(options)
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
logger.debug('Ignoring indexes: %s', ','.join(index_urls))
index_urls = []
if options.build_dir:
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
with self._build_session(options) as session:
finder = self._build_package_finder(options, session)
build_delete = (not (options.no_clean or options.build_dir))
wheel_cache = WheelCache(options.cache_dir, options.format_control)
with RequirementTracker() as req_tracker, TempDirectory(
options.build_dir, delete=build_delete, kind="wheel"
) as directory:
requirement_set = RequirementSet(
require_hashes=options.require_hashes,
)
try:
self.populate_requirement_set(
requirement_set, args, options, finder, session,
self.name, wheel_cache
)
preparer = RequirementPreparer(
build_dir=directory.path,
src_dir=options.src_dir,
download_dir=None,
wheel_download_dir=options.wheel_dir,
progress_bar=options.progress_bar,
build_isolation=options.build_isolation,
req_tracker=req_tracker,
)
resolver = Resolver(
preparer=preparer,
finder=finder,
session=session,
wheel_cache=wheel_cache,
use_user_site=False,
upgrade_strategy="to-satisfy-only",
force_reinstall=False,
ignore_dependencies=options.ignore_dependencies,
ignore_requires_python=options.ignore_requires_python,
ignore_installed=True,
isolated=options.isolated_mode,
use_pep517=options.use_pep517
)
resolver.resolve(requirement_set)
# build wheels
wb = WheelBuilder(
finder, preparer, wheel_cache,
build_options=options.build_options or [],
global_options=options.global_options or [],
no_clean=options.no_clean,
)
build_failures = wb.build(
requirement_set.requirements.values(), session=session,
)
if len(build_failures) != 0:
raise CommandError(
"Failed to build one or more wheels"
)
except PreviousBuildDirError:
options.no_clean = True
raise
finally:
if not options.no_clean:
requirement_set.cleanup_files()
wheel_cache.cleanup()

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"""Configuration management setup
Some terminology:
- name
As written in config files.
- value
Value associated with a name
- key
Name combined with it's section (section.name)
- variant
A single word describing where the configuration key-value pair came from
"""
import locale
import logging
import os
from pip._vendor import six
from pip._vendor.six.moves import configparser
from pip._internal.exceptions import (
ConfigurationError, ConfigurationFileCouldNotBeLoaded,
)
from pip._internal.locations import (
legacy_config_file, new_config_file, running_under_virtualenv,
site_config_files, venv_config_file,
)
from pip._internal.utils.misc import ensure_dir, enum
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
Any, Dict, Iterable, List, NewType, Optional, Tuple
)
RawConfigParser = configparser.RawConfigParser # Shorthand
Kind = NewType("Kind", str)
logger = logging.getLogger(__name__)
# NOTE: Maybe use the optionx attribute to normalize keynames.
def _normalize_name(name):
# type: (str) -> str
"""Make a name consistent regardless of source (environment or file)
"""
name = name.lower().replace('_', '-')
if name.startswith('--'):
name = name[2:] # only prefer long opts
return name
def _disassemble_key(name):
# type: (str) -> List[str]
return name.split(".", 1)
# The kinds of configurations there are.
kinds = enum(
USER="user", # User Specific
GLOBAL="global", # System Wide
VENV="venv", # Virtual Environment Specific
ENV="env", # from PIP_CONFIG_FILE
ENV_VAR="env-var", # from Environment Variables
)
class Configuration(object):
"""Handles management of configuration.
Provides an interface to accessing and managing configuration files.
This class converts provides an API that takes "section.key-name" style
keys and stores the value associated with it as "key-name" under the
section "section".
This allows for a clean interface wherein the both the section and the
key-name are preserved in an easy to manage form in the configuration files
and the data stored is also nice.
"""
def __init__(self, isolated, load_only=None):
# type: (bool, Kind) -> None
super(Configuration, self).__init__()
_valid_load_only = [kinds.USER, kinds.GLOBAL, kinds.VENV, None]
if load_only not in _valid_load_only:
raise ConfigurationError(
"Got invalid value for load_only - should be one of {}".format(
", ".join(map(repr, _valid_load_only[:-1]))
)
)
self.isolated = isolated # type: bool
self.load_only = load_only # type: Optional[Kind]
# The order here determines the override order.
self._override_order = [
kinds.GLOBAL, kinds.USER, kinds.VENV, kinds.ENV, kinds.ENV_VAR
]
self._ignore_env_names = ["version", "help"]
# Because we keep track of where we got the data from
self._parsers = {
variant: [] for variant in self._override_order
} # type: Dict[Kind, List[Tuple[str, RawConfigParser]]]
self._config = {
variant: {} for variant in self._override_order
} # type: Dict[Kind, Dict[str, Any]]
self._modified_parsers = [] # type: List[Tuple[str, RawConfigParser]]
def load(self):
# type: () -> None
"""Loads configuration from configuration files and environment
"""
self._load_config_files()
if not self.isolated:
self._load_environment_vars()
def get_file_to_edit(self):
# type: () -> Optional[str]
"""Returns the file with highest priority in configuration
"""
assert self.load_only is not None, \
"Need to be specified a file to be editing"
try:
return self._get_parser_to_modify()[0]
except IndexError:
return None
def items(self):
# type: () -> Iterable[Tuple[str, Any]]
"""Returns key-value pairs like dict.items() representing the loaded
configuration
"""
return self._dictionary.items()
def get_value(self, key):
# type: (str) -> Any
"""Get a value from the configuration.
"""
try:
return self._dictionary[key]
except KeyError:
raise ConfigurationError("No such key - {}".format(key))
def set_value(self, key, value):
# type: (str, Any) -> None
"""Modify a value in the configuration.
"""
self._ensure_have_load_only()
fname, parser = self._get_parser_to_modify()
if parser is not None:
section, name = _disassemble_key(key)
# Modify the parser and the configuration
if not parser.has_section(section):
parser.add_section(section)
parser.set(section, name, value)
self._config[self.load_only][key] = value
self._mark_as_modified(fname, parser)
def unset_value(self, key):
# type: (str) -> None
"""Unset a value in the configuration.
"""
self._ensure_have_load_only()
if key not in self._config[self.load_only]:
raise ConfigurationError("No such key - {}".format(key))
fname, parser = self._get_parser_to_modify()
if parser is not None:
section, name = _disassemble_key(key)
# Remove the key in the parser
modified_something = False
if parser.has_section(section):
# Returns whether the option was removed or not
modified_something = parser.remove_option(section, name)
if modified_something:
# name removed from parser, section may now be empty
section_iter = iter(parser.items(section))
try:
val = six.next(section_iter)
except StopIteration:
val = None
if val is None:
parser.remove_section(section)
self._mark_as_modified(fname, parser)
else:
raise ConfigurationError(
"Fatal Internal error [id=1]. Please report as a bug."
)
del self._config[self.load_only][key]
def save(self):
# type: () -> None
"""Save the currentin-memory state.
"""
self._ensure_have_load_only()
for fname, parser in self._modified_parsers:
logger.info("Writing to %s", fname)
# Ensure directory exists.
ensure_dir(os.path.dirname(fname))
with open(fname, "w") as f:
parser.write(f) # type: ignore
#
# Private routines
#
def _ensure_have_load_only(self):
# type: () -> None
if self.load_only is None:
raise ConfigurationError("Needed a specific file to be modifying.")
logger.debug("Will be working with %s variant only", self.load_only)
@property
def _dictionary(self):
# type: () -> Dict[str, Any]
"""A dictionary representing the loaded configuration.
"""
# NOTE: Dictionaries are not populated if not loaded. So, conditionals
# are not needed here.
retval = {}
for variant in self._override_order:
retval.update(self._config[variant])
return retval
def _load_config_files(self):
# type: () -> None
"""Loads configuration from configuration files
"""
config_files = dict(self._iter_config_files())
if config_files[kinds.ENV][0:1] == [os.devnull]:
logger.debug(
"Skipping loading configuration files due to "
"environment's PIP_CONFIG_FILE being os.devnull"
)
return
for variant, files in config_files.items():
for fname in files:
# If there's specific variant set in `load_only`, load only
# that variant, not the others.
if self.load_only is not None and variant != self.load_only:
logger.debug(
"Skipping file '%s' (variant: %s)", fname, variant
)
continue
parser = self._load_file(variant, fname)
# Keeping track of the parsers used
self._parsers[variant].append((fname, parser))
def _load_file(self, variant, fname):
# type: (Kind, str) -> RawConfigParser
logger.debug("For variant '%s', will try loading '%s'", variant, fname)
parser = self._construct_parser(fname)
for section in parser.sections():
items = parser.items(section)
self._config[variant].update(self._normalized_keys(section, items))
return parser
def _construct_parser(self, fname):
# type: (str) -> RawConfigParser
parser = configparser.RawConfigParser()
# If there is no such file, don't bother reading it but create the
# parser anyway, to hold the data.
# Doing this is useful when modifying and saving files, where we don't
# need to construct a parser.
if os.path.exists(fname):
try:
parser.read(fname)
except UnicodeDecodeError:
# See https://github.com/pypa/pip/issues/4963
raise ConfigurationFileCouldNotBeLoaded(
reason="contains invalid {} characters".format(
locale.getpreferredencoding(False)
),
fname=fname,
)
except configparser.Error as error:
# See https://github.com/pypa/pip/issues/4893
raise ConfigurationFileCouldNotBeLoaded(error=error)
return parser
def _load_environment_vars(self):
# type: () -> None
"""Loads configuration from environment variables
"""
self._config[kinds.ENV_VAR].update(
self._normalized_keys(":env:", self._get_environ_vars())
)
def _normalized_keys(self, section, items):
# type: (str, Iterable[Tuple[str, Any]]) -> Dict[str, Any]
"""Normalizes items to construct a dictionary with normalized keys.
This routine is where the names become keys and are made the same
regardless of source - configuration files or environment.
"""
normalized = {}
for name, val in items:
key = section + "." + _normalize_name(name)
normalized[key] = val
return normalized
def _get_environ_vars(self):
# type: () -> Iterable[Tuple[str, str]]
"""Returns a generator with all environmental vars with prefix PIP_"""
for key, val in os.environ.items():
should_be_yielded = (
key.startswith("PIP_") and
key[4:].lower() not in self._ignore_env_names
)
if should_be_yielded:
yield key[4:].lower(), val
# XXX: This is patched in the tests.
def _iter_config_files(self):
# type: () -> Iterable[Tuple[Kind, List[str]]]
"""Yields variant and configuration files associated with it.
This should be treated like items of a dictionary.
"""
# SMELL: Move the conditions out of this function
# environment variables have the lowest priority
config_file = os.environ.get('PIP_CONFIG_FILE', None)
if config_file is not None:
yield kinds.ENV, [config_file]
else:
yield kinds.ENV, []
# at the base we have any global configuration
yield kinds.GLOBAL, list(site_config_files)
# per-user configuration next
should_load_user_config = not self.isolated and not (
config_file and os.path.exists(config_file)
)
if should_load_user_config:
# The legacy config file is overridden by the new config file
yield kinds.USER, [legacy_config_file, new_config_file]
# finally virtualenv configuration first trumping others
if running_under_virtualenv():
yield kinds.VENV, [venv_config_file]
def _get_parser_to_modify(self):
# type: () -> Tuple[str, RawConfigParser]
# Determine which parser to modify
parsers = self._parsers[self.load_only]
if not parsers:
# This should not happen if everything works correctly.
raise ConfigurationError(
"Fatal Internal error [id=2]. Please report as a bug."
)
# Use the highest priority parser.
return parsers[-1]
# XXX: This is patched in the tests.
def _mark_as_modified(self, fname, parser):
# type: (str, RawConfigParser) -> None
file_parser_tuple = (fname, parser)
if file_parser_tuple not in self._modified_parsers:
self._modified_parsers.append(file_parser_tuple)

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from __future__ import absolute_import
import cgi
import email.utils
import getpass
import json
import logging
import mimetypes
import os
import platform
import re
import shutil
import sys
from pip._vendor import requests, six, urllib3
from pip._vendor.cachecontrol import CacheControlAdapter
from pip._vendor.cachecontrol.caches import FileCache
from pip._vendor.lockfile import LockError
from pip._vendor.requests.adapters import BaseAdapter, HTTPAdapter
from pip._vendor.requests.auth import AuthBase, HTTPBasicAuth
from pip._vendor.requests.models import CONTENT_CHUNK_SIZE, Response
from pip._vendor.requests.structures import CaseInsensitiveDict
from pip._vendor.requests.utils import get_netrc_auth
# NOTE: XMLRPC Client is not annotated in typeshed as on 2017-07-17, which is
# why we ignore the type on this import
from pip._vendor.six.moves import xmlrpc_client # type: ignore
from pip._vendor.six.moves.urllib import parse as urllib_parse
from pip._vendor.six.moves.urllib import request as urllib_request
from pip._vendor.urllib3.util import IS_PYOPENSSL
import pip
from pip._internal.exceptions import HashMismatch, InstallationError
from pip._internal.locations import write_delete_marker_file
from pip._internal.models.index import PyPI
from pip._internal.utils.encoding import auto_decode
from pip._internal.utils.filesystem import check_path_owner
from pip._internal.utils.glibc import libc_ver
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import (
ARCHIVE_EXTENSIONS, ask_path_exists, backup_dir, call_subprocess, consume,
display_path, format_size, get_installed_version, rmtree,
split_auth_from_netloc, splitext, unpack_file,
)
from pip._internal.utils.setuptools_build import SETUPTOOLS_SHIM
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.utils.ui import DownloadProgressProvider
from pip._internal.vcs import vcs
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
Optional, Tuple, Dict, IO, Text, Union
)
from pip._internal.models.link import Link # noqa: F401
from pip._internal.utils.hashes import Hashes # noqa: F401
from pip._internal.vcs import AuthInfo # noqa: F401
try:
import ssl # noqa
except ImportError:
ssl = None
HAS_TLS = (ssl is not None) or IS_PYOPENSSL
__all__ = ['get_file_content',
'is_url', 'url_to_path', 'path_to_url',
'is_archive_file', 'unpack_vcs_link',
'unpack_file_url', 'is_vcs_url', 'is_file_url',
'unpack_http_url', 'unpack_url']
logger = logging.getLogger(__name__)
def user_agent():
"""
Return a string representing the user agent.
"""
data = {
"installer": {"name": "pip", "version": pip.__version__},
"python": platform.python_version(),
"implementation": {
"name": platform.python_implementation(),
},
}
if data["implementation"]["name"] == 'CPython':
data["implementation"]["version"] = platform.python_version()
elif data["implementation"]["name"] == 'PyPy':
if sys.pypy_version_info.releaselevel == 'final':
pypy_version_info = sys.pypy_version_info[:3]
else:
pypy_version_info = sys.pypy_version_info
data["implementation"]["version"] = ".".join(
[str(x) for x in pypy_version_info]
)
elif data["implementation"]["name"] == 'Jython':
# Complete Guess
data["implementation"]["version"] = platform.python_version()
elif data["implementation"]["name"] == 'IronPython':
# Complete Guess
data["implementation"]["version"] = platform.python_version()
if sys.platform.startswith("linux"):
from pip._vendor import distro
distro_infos = dict(filter(
lambda x: x[1],
zip(["name", "version", "id"], distro.linux_distribution()),
))
libc = dict(filter(
lambda x: x[1],
zip(["lib", "version"], libc_ver()),
))
if libc:
distro_infos["libc"] = libc
if distro_infos:
data["distro"] = distro_infos
if sys.platform.startswith("darwin") and platform.mac_ver()[0]:
data["distro"] = {"name": "macOS", "version": platform.mac_ver()[0]}
if platform.system():
data.setdefault("system", {})["name"] = platform.system()
if platform.release():
data.setdefault("system", {})["release"] = platform.release()
if platform.machine():
data["cpu"] = platform.machine()
if HAS_TLS:
data["openssl_version"] = ssl.OPENSSL_VERSION
setuptools_version = get_installed_version("setuptools")
if setuptools_version is not None:
data["setuptools_version"] = setuptools_version
return "{data[installer][name]}/{data[installer][version]} {json}".format(
data=data,
json=json.dumps(data, separators=(",", ":"), sort_keys=True),
)
class MultiDomainBasicAuth(AuthBase):
def __init__(self, prompting=True):
# type: (bool) -> None
self.prompting = prompting
self.passwords = {} # type: Dict[str, AuthInfo]
def __call__(self, req):
parsed = urllib_parse.urlparse(req.url)
# Split the credentials from the netloc.
netloc, url_user_password = split_auth_from_netloc(parsed.netloc)
# Set the url of the request to the url without any credentials
req.url = urllib_parse.urlunparse(parsed[:1] + (netloc,) + parsed[2:])
# Use any stored credentials that we have for this netloc
username, password = self.passwords.get(netloc, (None, None))
# Use the credentials embedded in the url if we have none stored
if username is None:
username, password = url_user_password
# Get creds from netrc if we still don't have them
if username is None and password is None:
netrc_auth = get_netrc_auth(req.url)
username, password = netrc_auth if netrc_auth else (None, None)
if username or password:
# Store the username and password
self.passwords[netloc] = (username, password)
# Send the basic auth with this request
req = HTTPBasicAuth(username or "", password or "")(req)
# Attach a hook to handle 401 responses
req.register_hook("response", self.handle_401)
return req
def handle_401(self, resp, **kwargs):
# We only care about 401 responses, anything else we want to just
# pass through the actual response
if resp.status_code != 401:
return resp
# We are not able to prompt the user so simply return the response
if not self.prompting:
return resp
parsed = urllib_parse.urlparse(resp.url)
# Prompt the user for a new username and password
username = six.moves.input("User for %s: " % parsed.netloc)
password = getpass.getpass("Password: ")
# Store the new username and password to use for future requests
if username or password:
self.passwords[parsed.netloc] = (username, password)
# Consume content and release the original connection to allow our new
# request to reuse the same one.
resp.content
resp.raw.release_conn()
# Add our new username and password to the request
req = HTTPBasicAuth(username or "", password or "")(resp.request)
req.register_hook("response", self.warn_on_401)
# Send our new request
new_resp = resp.connection.send(req, **kwargs)
new_resp.history.append(resp)
return new_resp
def warn_on_401(self, resp, **kwargs):
# warn user that they provided incorrect credentials
if resp.status_code == 401:
logger.warning('401 Error, Credentials not correct for %s',
resp.request.url)
class LocalFSAdapter(BaseAdapter):
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def close(self):
pass
class SafeFileCache(FileCache):
"""
A file based cache which is safe to use even when the target directory may
not be accessible or writable.
"""
def __init__(self, *args, **kwargs):
super(SafeFileCache, self).__init__(*args, **kwargs)
# Check to ensure that the directory containing our cache directory
# is owned by the user current executing pip. If it does not exist
# we will check the parent directory until we find one that does exist.
# If it is not owned by the user executing pip then we will disable
# the cache and log a warning.
if not check_path_owner(self.directory):
logger.warning(
"The directory '%s' or its parent directory is not owned by "
"the current user and the cache has been disabled. Please "
"check the permissions and owner of that directory. If "
"executing pip with sudo, you may want sudo's -H flag.",
self.directory,
)
# Set our directory to None to disable the Cache
self.directory = None
def get(self, *args, **kwargs):
# If we don't have a directory, then the cache should be a no-op.
if self.directory is None:
return
try:
return super(SafeFileCache, self).get(*args, **kwargs)
except (LockError, OSError, IOError):
# We intentionally silence this error, if we can't access the cache
# then we can just skip caching and process the request as if
# caching wasn't enabled.
pass
def set(self, *args, **kwargs):
# If we don't have a directory, then the cache should be a no-op.
if self.directory is None:
return
try:
return super(SafeFileCache, self).set(*args, **kwargs)
except (LockError, OSError, IOError):
# We intentionally silence this error, if we can't access the cache
# then we can just skip caching and process the request as if
# caching wasn't enabled.
pass
def delete(self, *args, **kwargs):
# If we don't have a directory, then the cache should be a no-op.
if self.directory is None:
return
try:
return super(SafeFileCache, self).delete(*args, **kwargs)
except (LockError, OSError, IOError):
# We intentionally silence this error, if we can't access the cache
# then we can just skip caching and process the request as if
# caching wasn't enabled.
pass
class InsecureHTTPAdapter(HTTPAdapter):
def cert_verify(self, conn, url, verify, cert):
conn.cert_reqs = 'CERT_NONE'
conn.ca_certs = None
class PipSession(requests.Session):
timeout = None # type: Optional[int]
def __init__(self, *args, **kwargs):
retries = kwargs.pop("retries", 0)
cache = kwargs.pop("cache", None)
insecure_hosts = kwargs.pop("insecure_hosts", [])
super(PipSession, self).__init__(*args, **kwargs)
# Attach our User Agent to the request
self.headers["User-Agent"] = user_agent()
# Attach our Authentication handler to the session
self.auth = MultiDomainBasicAuth()
# Create our urllib3.Retry instance which will allow us to customize
# how we handle retries.
retries = urllib3.Retry(
# Set the total number of retries that a particular request can
# have.
total=retries,
# A 503 error from PyPI typically means that the Fastly -> Origin
# connection got interrupted in some way. A 503 error in general
# is typically considered a transient error so we'll go ahead and
# retry it.
# A 500 may indicate transient error in Amazon S3
# A 520 or 527 - may indicate transient error in CloudFlare
status_forcelist=[500, 503, 520, 527],
# Add a small amount of back off between failed requests in
# order to prevent hammering the service.
backoff_factor=0.25,
)
# We want to _only_ cache responses on securely fetched origins. We do
# this because we can't validate the response of an insecurely fetched
# origin, and we don't want someone to be able to poison the cache and
# require manual eviction from the cache to fix it.
if cache:
secure_adapter = CacheControlAdapter(
cache=SafeFileCache(cache, use_dir_lock=True),
max_retries=retries,
)
else:
secure_adapter = HTTPAdapter(max_retries=retries)
# Our Insecure HTTPAdapter disables HTTPS validation. It does not
# support caching (see above) so we'll use it for all http:// URLs as
# well as any https:// host that we've marked as ignoring TLS errors
# for.
insecure_adapter = InsecureHTTPAdapter(max_retries=retries)
self.mount("https://", secure_adapter)
self.mount("http://", insecure_adapter)
# Enable file:// urls
self.mount("file://", LocalFSAdapter())
# We want to use a non-validating adapter for any requests which are
# deemed insecure.
for host in insecure_hosts:
self.mount("https://{}/".format(host), insecure_adapter)
def request(self, method, url, *args, **kwargs):
# Allow setting a default timeout on a session
kwargs.setdefault("timeout", self.timeout)
# Dispatch the actual request
return super(PipSession, self).request(method, url, *args, **kwargs)
def get_file_content(url, comes_from=None, session=None):
# type: (str, Optional[str], Optional[PipSession]) -> Tuple[str, Text]
"""Gets the content of a file; it may be a filename, file: URL, or
http: URL. Returns (location, content). Content is unicode.
:param url: File path or url.
:param comes_from: Origin description of requirements.
:param session: Instance of pip.download.PipSession.
"""
if session is None:
raise TypeError(
"get_file_content() missing 1 required keyword argument: 'session'"
)
match = _scheme_re.search(url)
if match:
scheme = match.group(1).lower()
if (scheme == 'file' and comes_from and
comes_from.startswith('http')):
raise InstallationError(
'Requirements file %s references URL %s, which is local'
% (comes_from, url))
if scheme == 'file':
path = url.split(':', 1)[1]
path = path.replace('\\', '/')
match = _url_slash_drive_re.match(path)
if match:
path = match.group(1) + ':' + path.split('|', 1)[1]
path = urllib_parse.unquote(path)
if path.startswith('/'):
path = '/' + path.lstrip('/')
url = path
else:
# FIXME: catch some errors
resp = session.get(url)
resp.raise_for_status()
return resp.url, resp.text
try:
with open(url, 'rb') as f:
content = auto_decode(f.read())
except IOError as exc:
raise InstallationError(
'Could not open requirements file: %s' % str(exc)
)
return url, content
_scheme_re = re.compile(r'^(http|https|file):', re.I)
_url_slash_drive_re = re.compile(r'/*([a-z])\|', re.I)
def is_url(name):
# type: (Union[str, Text]) -> bool
"""Returns true if the name looks like a URL"""
if ':' not in name:
return False
scheme = name.split(':', 1)[0].lower()
return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
def url_to_path(url):
# type: (str) -> str
"""
Convert a file: URL to a path.
"""
assert url.startswith('file:'), (
"You can only turn file: urls into filenames (not %r)" % url)
_, netloc, path, _, _ = urllib_parse.urlsplit(url)
# if we have a UNC path, prepend UNC share notation
if netloc:
netloc = '\\\\' + netloc
path = urllib_request.url2pathname(netloc + path)
return path
def path_to_url(path):
# type: (Union[str, Text]) -> str
"""
Convert a path to a file: URL. The path will be made absolute and have
quoted path parts.
"""
path = os.path.normpath(os.path.abspath(path))
url = urllib_parse.urljoin('file:', urllib_request.pathname2url(path))
return url
def is_archive_file(name):
# type: (str) -> bool
"""Return True if `name` is a considered as an archive file."""
ext = splitext(name)[1].lower()
if ext in ARCHIVE_EXTENSIONS:
return True
return False
def unpack_vcs_link(link, location):
vcs_backend = _get_used_vcs_backend(link)
vcs_backend.unpack(location)
def _get_used_vcs_backend(link):
for backend in vcs.backends:
if link.scheme in backend.schemes:
vcs_backend = backend(link.url)
return vcs_backend
def is_vcs_url(link):
# type: (Link) -> bool
return bool(_get_used_vcs_backend(link))
def is_file_url(link):
# type: (Link) -> bool
return link.url.lower().startswith('file:')
def is_dir_url(link):
# type: (Link) -> bool
"""Return whether a file:// Link points to a directory.
``link`` must not have any other scheme but file://. Call is_file_url()
first.
"""
link_path = url_to_path(link.url_without_fragment)
return os.path.isdir(link_path)
def _progress_indicator(iterable, *args, **kwargs):
return iterable
def _download_url(
resp, # type: Response
link, # type: Link
content_file, # type: IO
hashes, # type: Hashes
progress_bar # type: str
):
# type: (...) -> None
try:
total_length = int(resp.headers['content-length'])
except (ValueError, KeyError, TypeError):
total_length = 0
cached_resp = getattr(resp, "from_cache", False)
if logger.getEffectiveLevel() > logging.INFO:
show_progress = False
elif cached_resp:
show_progress = False
elif total_length > (40 * 1000):
show_progress = True
elif not total_length:
show_progress = True
else:
show_progress = False
show_url = link.show_url
def resp_read(chunk_size):
try:
# Special case for urllib3.
for chunk in resp.raw.stream(
chunk_size,
# We use decode_content=False here because we don't
# want urllib3 to mess with the raw bytes we get
# from the server. If we decompress inside of
# urllib3 then we cannot verify the checksum
# because the checksum will be of the compressed
# file. This breakage will only occur if the
# server adds a Content-Encoding header, which
# depends on how the server was configured:
# - Some servers will notice that the file isn't a
# compressible file and will leave the file alone
# and with an empty Content-Encoding
# - Some servers will notice that the file is
# already compressed and will leave the file
# alone and will add a Content-Encoding: gzip
# header
# - Some servers won't notice anything at all and
# will take a file that's already been compressed
# and compress it again and set the
# Content-Encoding: gzip header
#
# By setting this not to decode automatically we
# hope to eliminate problems with the second case.
decode_content=False):
yield chunk
except AttributeError:
# Standard file-like object.
while True:
chunk = resp.raw.read(chunk_size)
if not chunk:
break
yield chunk
def written_chunks(chunks):
for chunk in chunks:
content_file.write(chunk)
yield chunk
progress_indicator = _progress_indicator
if link.netloc == PyPI.netloc:
url = show_url
else:
url = link.url_without_fragment
if show_progress: # We don't show progress on cached responses
progress_indicator = DownloadProgressProvider(progress_bar,
max=total_length)
if total_length:
logger.info("Downloading %s (%s)", url, format_size(total_length))
else:
logger.info("Downloading %s", url)
elif cached_resp:
logger.info("Using cached %s", url)
else:
logger.info("Downloading %s", url)
logger.debug('Downloading from URL %s', link)
downloaded_chunks = written_chunks(
progress_indicator(
resp_read(CONTENT_CHUNK_SIZE),
CONTENT_CHUNK_SIZE
)
)
if hashes:
hashes.check_against_chunks(downloaded_chunks)
else:
consume(downloaded_chunks)
def _copy_file(filename, location, link):
copy = True
download_location = os.path.join(location, link.filename)
if os.path.exists(download_location):
response = ask_path_exists(
'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)abort' %
display_path(download_location), ('i', 'w', 'b', 'a'))
if response == 'i':
copy = False
elif response == 'w':
logger.warning('Deleting %s', display_path(download_location))
os.remove(download_location)
elif response == 'b':
dest_file = backup_dir(download_location)
logger.warning(
'Backing up %s to %s',
display_path(download_location),
display_path(dest_file),
)
shutil.move(download_location, dest_file)
elif response == 'a':
sys.exit(-1)
if copy:
shutil.copy(filename, download_location)
logger.info('Saved %s', display_path(download_location))
def unpack_http_url(
link, # type: Link
location, # type: str
download_dir=None, # type: Optional[str]
session=None, # type: Optional[PipSession]
hashes=None, # type: Optional[Hashes]
progress_bar="on" # type: str
):
# type: (...) -> None
if session is None:
raise TypeError(
"unpack_http_url() missing 1 required keyword argument: 'session'"
)
with TempDirectory(kind="unpack") as temp_dir:
# If a download dir is specified, is the file already downloaded there?
already_downloaded_path = None
if download_dir:
already_downloaded_path = _check_download_dir(link,
download_dir,
hashes)
if already_downloaded_path:
from_path = already_downloaded_path
content_type = mimetypes.guess_type(from_path)[0]
else:
# let's download to a tmp dir
from_path, content_type = _download_http_url(link,
session,
temp_dir.path,
hashes,
progress_bar)
# unpack the archive to the build dir location. even when only
# downloading archives, they have to be unpacked to parse dependencies
unpack_file(from_path, location, content_type, link)
# a download dir is specified; let's copy the archive there
if download_dir and not already_downloaded_path:
_copy_file(from_path, download_dir, link)
if not already_downloaded_path:
os.unlink(from_path)
def unpack_file_url(
link, # type: Link
location, # type: str
download_dir=None, # type: Optional[str]
hashes=None # type: Optional[Hashes]
):
# type: (...) -> None
"""Unpack link into location.
If download_dir is provided and link points to a file, make a copy
of the link file inside download_dir.
"""
link_path = url_to_path(link.url_without_fragment)
# If it's a url to a local directory
if is_dir_url(link):
if os.path.isdir(location):
rmtree(location)
shutil.copytree(link_path, location, symlinks=True)
if download_dir:
logger.info('Link is a directory, ignoring download_dir')
return
# If --require-hashes is off, `hashes` is either empty, the
# link's embedded hash, or MissingHashes; it is required to
# match. If --require-hashes is on, we are satisfied by any
# hash in `hashes` matching: a URL-based or an option-based
# one; no internet-sourced hash will be in `hashes`.
if hashes:
hashes.check_against_path(link_path)
# If a download dir is specified, is the file already there and valid?
already_downloaded_path = None
if download_dir:
already_downloaded_path = _check_download_dir(link,
download_dir,
hashes)
if already_downloaded_path:
from_path = already_downloaded_path
else:
from_path = link_path
content_type = mimetypes.guess_type(from_path)[0]
# unpack the archive to the build dir location. even when only downloading
# archives, they have to be unpacked to parse dependencies
unpack_file(from_path, location, content_type, link)
# a download dir is specified and not already downloaded
if download_dir and not already_downloaded_path:
_copy_file(from_path, download_dir, link)
def _copy_dist_from_dir(link_path, location):
"""Copy distribution files in `link_path` to `location`.
Invoked when user requests to install a local directory. E.g.:
pip install .
pip install ~/dev/git-repos/python-prompt-toolkit
"""
# Note: This is currently VERY SLOW if you have a lot of data in the
# directory, because it copies everything with `shutil.copytree`.
# What it should really do is build an sdist and install that.
# See https://github.com/pypa/pip/issues/2195
if os.path.isdir(location):
rmtree(location)
# build an sdist
setup_py = 'setup.py'
sdist_args = [sys.executable]
sdist_args.append('-c')
sdist_args.append(SETUPTOOLS_SHIM % setup_py)
sdist_args.append('sdist')
sdist_args += ['--dist-dir', location]
logger.info('Running setup.py sdist for %s', link_path)
with indent_log():
call_subprocess(sdist_args, cwd=link_path, show_stdout=False)
# unpack sdist into `location`
sdist = os.path.join(location, os.listdir(location)[0])
logger.info('Unpacking sdist %s into %s', sdist, location)
unpack_file(sdist, location, content_type=None, link=None)
class PipXmlrpcTransport(xmlrpc_client.Transport):
"""Provide a `xmlrpclib.Transport` implementation via a `PipSession`
object.
"""
def __init__(self, index_url, session, use_datetime=False):
xmlrpc_client.Transport.__init__(self, use_datetime)
index_parts = urllib_parse.urlparse(index_url)
self._scheme = index_parts.scheme
self._session = session
def request(self, host, handler, request_body, verbose=False):
parts = (self._scheme, host, handler, None, None, None)
url = urllib_parse.urlunparse(parts)
try:
headers = {'Content-Type': 'text/xml'}
response = self._session.post(url, data=request_body,
headers=headers, stream=True)
response.raise_for_status()
self.verbose = verbose
return self.parse_response(response.raw)
except requests.HTTPError as exc:
logger.critical(
"HTTP error %s while getting %s",
exc.response.status_code, url,
)
raise
def unpack_url(
link, # type: Optional[Link]
location, # type: Optional[str]
download_dir=None, # type: Optional[str]
only_download=False, # type: bool
session=None, # type: Optional[PipSession]
hashes=None, # type: Optional[Hashes]
progress_bar="on" # type: str
):
# type: (...) -> None
"""Unpack link.
If link is a VCS link:
if only_download, export into download_dir and ignore location
else unpack into location
for other types of link:
- unpack into location
- if download_dir, copy the file into download_dir
- if only_download, mark location for deletion
:param hashes: A Hashes object, one of whose embedded hashes must match,
or HashMismatch will be raised. If the Hashes is empty, no matches are
required, and unhashable types of requirements (like VCS ones, which
would ordinarily raise HashUnsupported) are allowed.
"""
# non-editable vcs urls
if is_vcs_url(link):
unpack_vcs_link(link, location)
# file urls
elif is_file_url(link):
unpack_file_url(link, location, download_dir, hashes=hashes)
# http urls
else:
if session is None:
session = PipSession()
unpack_http_url(
link,
location,
download_dir,
session,
hashes=hashes,
progress_bar=progress_bar
)
if only_download:
write_delete_marker_file(location)
def _download_http_url(
link, # type: Link
session, # type: PipSession
temp_dir, # type: str
hashes, # type: Hashes
progress_bar # type: str
):
# type: (...) -> Tuple[str, str]
"""Download link url into temp_dir using provided session"""
target_url = link.url.split('#', 1)[0]
try:
resp = session.get(
target_url,
# We use Accept-Encoding: identity here because requests
# defaults to accepting compressed responses. This breaks in
# a variety of ways depending on how the server is configured.
# - Some servers will notice that the file isn't a compressible
# file and will leave the file alone and with an empty
# Content-Encoding
# - Some servers will notice that the file is already
# compressed and will leave the file alone and will add a
# Content-Encoding: gzip header
# - Some servers won't notice anything at all and will take
# a file that's already been compressed and compress it again
# and set the Content-Encoding: gzip header
# By setting this to request only the identity encoding We're
# hoping to eliminate the third case. Hopefully there does not
# exist a server which when given a file will notice it is
# already compressed and that you're not asking for a
# compressed file and will then decompress it before sending
# because if that's the case I don't think it'll ever be
# possible to make this work.
headers={"Accept-Encoding": "identity"},
stream=True,
)
resp.raise_for_status()
except requests.HTTPError as exc:
logger.critical(
"HTTP error %s while getting %s", exc.response.status_code, link,
)
raise
content_type = resp.headers.get('content-type', '')
filename = link.filename # fallback
# Have a look at the Content-Disposition header for a better guess
content_disposition = resp.headers.get('content-disposition')
if content_disposition:
type, params = cgi.parse_header(content_disposition)
# We use ``or`` here because we don't want to use an "empty" value
# from the filename param.
filename = params.get('filename') or filename
ext = splitext(filename)[1]
if not ext:
ext = mimetypes.guess_extension(content_type)
if ext:
filename += ext
if not ext and link.url != resp.url:
ext = os.path.splitext(resp.url)[1]
if ext:
filename += ext
file_path = os.path.join(temp_dir, filename)
with open(file_path, 'wb') as content_file:
_download_url(resp, link, content_file, hashes, progress_bar)
return file_path, content_type
def _check_download_dir(link, download_dir, hashes):
# type: (Link, str, Hashes) -> Optional[str]
""" Check download_dir for previously downloaded file with correct hash
If a correct file is found return its path else None
"""
download_path = os.path.join(download_dir, link.filename)
if os.path.exists(download_path):
# If already downloaded, does its hash match?
logger.info('File was already downloaded %s', download_path)
if hashes:
try:
hashes.check_against_path(download_path)
except HashMismatch:
logger.warning(
'Previously-downloaded file %s has bad hash. '
'Re-downloading.',
download_path
)
os.unlink(download_path)
return None
return download_path
return None

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@ -0,0 +1,274 @@
"""Exceptions used throughout package"""
from __future__ import absolute_import
from itertools import chain, groupby, repeat
from pip._vendor.six import iteritems
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Optional # noqa: F401
from pip._internal.req.req_install import InstallRequirement # noqa: F401
class PipError(Exception):
"""Base pip exception"""
class ConfigurationError(PipError):
"""General exception in configuration"""
class InstallationError(PipError):
"""General exception during installation"""
class UninstallationError(PipError):
"""General exception during uninstallation"""
class DistributionNotFound(InstallationError):
"""Raised when a distribution cannot be found to satisfy a requirement"""
class RequirementsFileParseError(InstallationError):
"""Raised when a general error occurs parsing a requirements file line."""
class BestVersionAlreadyInstalled(PipError):
"""Raised when the most up-to-date version of a package is already
installed."""
class BadCommand(PipError):
"""Raised when virtualenv or a command is not found"""
class CommandError(PipError):
"""Raised when there is an error in command-line arguments"""
class PreviousBuildDirError(PipError):
"""Raised when there's a previous conflicting build directory"""
class InvalidWheelFilename(InstallationError):
"""Invalid wheel filename."""
class UnsupportedWheel(InstallationError):
"""Unsupported wheel."""
class HashErrors(InstallationError):
"""Multiple HashError instances rolled into one for reporting"""
def __init__(self):
self.errors = []
def append(self, error):
self.errors.append(error)
def __str__(self):
lines = []
self.errors.sort(key=lambda e: e.order)
for cls, errors_of_cls in groupby(self.errors, lambda e: e.__class__):
lines.append(cls.head)
lines.extend(e.body() for e in errors_of_cls)
if lines:
return '\n'.join(lines)
def __nonzero__(self):
return bool(self.errors)
def __bool__(self):
return self.__nonzero__()
class HashError(InstallationError):
"""
A failure to verify a package against known-good hashes
:cvar order: An int sorting hash exception classes by difficulty of
recovery (lower being harder), so the user doesn't bother fretting
about unpinned packages when he has deeper issues, like VCS
dependencies, to deal with. Also keeps error reports in a
deterministic order.
:cvar head: A section heading for display above potentially many
exceptions of this kind
:ivar req: The InstallRequirement that triggered this error. This is
pasted on after the exception is instantiated, because it's not
typically available earlier.
"""
req = None # type: Optional[InstallRequirement]
head = ''
def body(self):
"""Return a summary of me for display under the heading.
This default implementation simply prints a description of the
triggering requirement.
:param req: The InstallRequirement that provoked this error, with
populate_link() having already been called
"""
return ' %s' % self._requirement_name()
def __str__(self):
return '%s\n%s' % (self.head, self.body())
def _requirement_name(self):
"""Return a description of the requirement that triggered me.
This default implementation returns long description of the req, with
line numbers
"""
return str(self.req) if self.req else 'unknown package'
class VcsHashUnsupported(HashError):
"""A hash was provided for a version-control-system-based requirement, but
we don't have a method for hashing those."""
order = 0
head = ("Can't verify hashes for these requirements because we don't "
"have a way to hash version control repositories:")
class DirectoryUrlHashUnsupported(HashError):
"""A hash was provided for a version-control-system-based requirement, but
we don't have a method for hashing those."""
order = 1
head = ("Can't verify hashes for these file:// requirements because they "
"point to directories:")
class HashMissing(HashError):
"""A hash was needed for a requirement but is absent."""
order = 2
head = ('Hashes are required in --require-hashes mode, but they are '
'missing from some requirements. Here is a list of those '
'requirements along with the hashes their downloaded archives '
'actually had. Add lines like these to your requirements files to '
'prevent tampering. (If you did not enable --require-hashes '
'manually, note that it turns on automatically when any package '
'has a hash.)')
def __init__(self, gotten_hash):
"""
:param gotten_hash: The hash of the (possibly malicious) archive we
just downloaded
"""
self.gotten_hash = gotten_hash
def body(self):
# Dodge circular import.
from pip._internal.utils.hashes import FAVORITE_HASH
package = None
if self.req:
# In the case of URL-based requirements, display the original URL
# seen in the requirements file rather than the package name,
# so the output can be directly copied into the requirements file.
package = (self.req.original_link if self.req.original_link
# In case someone feeds something downright stupid
# to InstallRequirement's constructor.
else getattr(self.req, 'req', None))
return ' %s --hash=%s:%s' % (package or 'unknown package',
FAVORITE_HASH,
self.gotten_hash)
class HashUnpinned(HashError):
"""A requirement had a hash specified but was not pinned to a specific
version."""
order = 3
head = ('In --require-hashes mode, all requirements must have their '
'versions pinned with ==. These do not:')
class HashMismatch(HashError):
"""
Distribution file hash values don't match.
:ivar package_name: The name of the package that triggered the hash
mismatch. Feel free to write to this after the exception is raise to
improve its error message.
"""
order = 4
head = ('THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS '
'FILE. If you have updated the package versions, please update '
'the hashes. Otherwise, examine the package contents carefully; '
'someone may have tampered with them.')
def __init__(self, allowed, gots):
"""
:param allowed: A dict of algorithm names pointing to lists of allowed
hex digests
:param gots: A dict of algorithm names pointing to hashes we
actually got from the files under suspicion
"""
self.allowed = allowed
self.gots = gots
def body(self):
return ' %s:\n%s' % (self._requirement_name(),
self._hash_comparison())
def _hash_comparison(self):
"""
Return a comparison of actual and expected hash values.
Example::
Expected sha256 abcdeabcdeabcdeabcdeabcdeabcdeabcdeabcdeabcde
or 123451234512345123451234512345123451234512345
Got bcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdefbcdef
"""
def hash_then_or(hash_name):
# For now, all the decent hashes have 6-char names, so we can get
# away with hard-coding space literals.
return chain([hash_name], repeat(' or'))
lines = []
for hash_name, expecteds in iteritems(self.allowed):
prefix = hash_then_or(hash_name)
lines.extend((' Expected %s %s' % (next(prefix), e))
for e in expecteds)
lines.append(' Got %s\n' %
self.gots[hash_name].hexdigest())
prefix = ' or'
return '\n'.join(lines)
class UnsupportedPythonVersion(InstallationError):
"""Unsupported python version according to Requires-Python package
metadata."""
class ConfigurationFileCouldNotBeLoaded(ConfigurationError):
"""When there are errors while loading a configuration file
"""
def __init__(self, reason="could not be loaded", fname=None, error=None):
super(ConfigurationFileCouldNotBeLoaded, self).__init__(error)
self.reason = reason
self.fname = fname
self.error = error
def __str__(self):
if self.fname is not None:
message_part = " in {}.".format(self.fname)
else:
assert self.error is not None
message_part = ".\n{}\n".format(self.error.message)
return "Configuration file {}{}".format(self.reason, message_part)

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"""Routines related to PyPI, indexes"""
from __future__ import absolute_import
import cgi
import itertools
import logging
import mimetypes
import os
import posixpath
import re
import sys
from collections import namedtuple
from pip._vendor import html5lib, requests, six
from pip._vendor.distlib.compat import unescape
from pip._vendor.packaging import specifiers
from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.packaging.version import parse as parse_version
from pip._vendor.requests.exceptions import RetryError, SSLError
from pip._vendor.six.moves.urllib import parse as urllib_parse
from pip._vendor.six.moves.urllib import request as urllib_request
from pip._internal.download import HAS_TLS, is_url, path_to_url, url_to_path
from pip._internal.exceptions import (
BestVersionAlreadyInstalled, DistributionNotFound, InvalidWheelFilename,
UnsupportedWheel,
)
from pip._internal.models.candidate import InstallationCandidate
from pip._internal.models.format_control import FormatControl
from pip._internal.models.index import PyPI
from pip._internal.models.link import Link
from pip._internal.pep425tags import get_supported
from pip._internal.utils.compat import ipaddress
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import (
ARCHIVE_EXTENSIONS, SUPPORTED_EXTENSIONS, WHEEL_EXTENSION, normalize_path,
redact_password_from_url,
)
from pip._internal.utils.packaging import check_requires_python
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.wheel import Wheel
if MYPY_CHECK_RUNNING:
from logging import Logger # noqa: F401
from typing import ( # noqa: F401
Tuple, Optional, Any, List, Union, Callable, Set, Sequence,
Iterable, MutableMapping
)
from pip._vendor.packaging.version import _BaseVersion # noqa: F401
from pip._vendor.requests import Response # noqa: F401
from pip._internal.req import InstallRequirement # noqa: F401
from pip._internal.download import PipSession # noqa: F401
SecureOrigin = Tuple[str, str, Optional[str]]
BuildTag = Tuple[Any, ...] # either emply tuple or Tuple[int, str]
CandidateSortingKey = Tuple[int, _BaseVersion, BuildTag, Optional[int]]
__all__ = ['FormatControl', 'PackageFinder']
SECURE_ORIGINS = [
# protocol, hostname, port
# Taken from Chrome's list of secure origins (See: http://bit.ly/1qrySKC)
("https", "*", "*"),
("*", "localhost", "*"),
("*", "127.0.0.0/8", "*"),
("*", "::1/128", "*"),
("file", "*", None),
# ssh is always secure.
("ssh", "*", "*"),
] # type: List[SecureOrigin]
logger = logging.getLogger(__name__)
def _match_vcs_scheme(url):
# type: (str) -> Optional[str]
"""Look for VCS schemes in the URL.
Returns the matched VCS scheme, or None if there's no match.
"""
from pip._internal.vcs import VcsSupport
for scheme in VcsSupport.schemes:
if url.lower().startswith(scheme) and url[len(scheme)] in '+:':
return scheme
return None
def _is_url_like_archive(url):
# type: (str) -> bool
"""Return whether the URL looks like an archive.
"""
filename = Link(url).filename
for bad_ext in ARCHIVE_EXTENSIONS:
if filename.endswith(bad_ext):
return True
return False
class _NotHTML(Exception):
def __init__(self, content_type, request_desc):
# type: (str, str) -> None
super(_NotHTML, self).__init__(content_type, request_desc)
self.content_type = content_type
self.request_desc = request_desc
def _ensure_html_header(response):
# type: (Response) -> None
"""Check the Content-Type header to ensure the response contains HTML.
Raises `_NotHTML` if the content type is not text/html.
"""
content_type = response.headers.get("Content-Type", "")
if not content_type.lower().startswith("text/html"):
raise _NotHTML(content_type, response.request.method)
class _NotHTTP(Exception):
pass
def _ensure_html_response(url, session):
# type: (str, PipSession) -> None
"""Send a HEAD request to the URL, and ensure the response contains HTML.
Raises `_NotHTTP` if the URL is not available for a HEAD request, or
`_NotHTML` if the content type is not text/html.
"""
scheme, netloc, path, query, fragment = urllib_parse.urlsplit(url)
if scheme not in {'http', 'https'}:
raise _NotHTTP()
resp = session.head(url, allow_redirects=True)
resp.raise_for_status()
_ensure_html_header(resp)
def _get_html_response(url, session):
# type: (str, PipSession) -> Response
"""Access an HTML page with GET, and return the response.
This consists of three parts:
1. If the URL looks suspiciously like an archive, send a HEAD first to
check the Content-Type is HTML, to avoid downloading a large file.
Raise `_NotHTTP` if the content type cannot be determined, or
`_NotHTML` if it is not HTML.
2. Actually perform the request. Raise HTTP exceptions on network failures.
3. Check the Content-Type header to make sure we got HTML, and raise
`_NotHTML` otherwise.
"""
if _is_url_like_archive(url):
_ensure_html_response(url, session=session)
logger.debug('Getting page %s', url)
resp = session.get(
url,
headers={
"Accept": "text/html",
# We don't want to blindly returned cached data for
# /simple/, because authors generally expecting that
# twine upload && pip install will function, but if
# they've done a pip install in the last ~10 minutes
# it won't. Thus by setting this to zero we will not
# blindly use any cached data, however the benefit of
# using max-age=0 instead of no-cache, is that we will
# still support conditional requests, so we will still
# minimize traffic sent in cases where the page hasn't
# changed at all, we will just always incur the round
# trip for the conditional GET now instead of only
# once per 10 minutes.
# For more information, please see pypa/pip#5670.
"Cache-Control": "max-age=0",
},
)
resp.raise_for_status()
# The check for archives above only works if the url ends with
# something that looks like an archive. However that is not a
# requirement of an url. Unless we issue a HEAD request on every
# url we cannot know ahead of time for sure if something is HTML
# or not. However we can check after we've downloaded it.
_ensure_html_header(resp)
return resp
def _handle_get_page_fail(
link, # type: Link
reason, # type: Union[str, Exception]
meth=None # type: Optional[Callable[..., None]]
):
# type: (...) -> None
if meth is None:
meth = logger.debug
meth("Could not fetch URL %s: %s - skipping", link, reason)
def _get_html_page(link, session=None):
# type: (Link, Optional[PipSession]) -> Optional[HTMLPage]
if session is None:
raise TypeError(
"_get_html_page() missing 1 required keyword argument: 'session'"
)
url = link.url.split('#', 1)[0]
# Check for VCS schemes that do not support lookup as web pages.
vcs_scheme = _match_vcs_scheme(url)
if vcs_scheme:
logger.debug('Cannot look at %s URL %s', vcs_scheme, link)
return None
# Tack index.html onto file:// URLs that point to directories
scheme, _, path, _, _, _ = urllib_parse.urlparse(url)
if (scheme == 'file' and os.path.isdir(urllib_request.url2pathname(path))):
# add trailing slash if not present so urljoin doesn't trim
# final segment
if not url.endswith('/'):
url += '/'
url = urllib_parse.urljoin(url, 'index.html')
logger.debug(' file: URL is directory, getting %s', url)
try:
resp = _get_html_response(url, session=session)
except _NotHTTP as exc:
logger.debug(
'Skipping page %s because it looks like an archive, and cannot '
'be checked by HEAD.', link,
)
except _NotHTML as exc:
logger.debug(
'Skipping page %s because the %s request got Content-Type: %s',
link, exc.request_desc, exc.content_type,
)
except requests.HTTPError as exc:
_handle_get_page_fail(link, exc)
except RetryError as exc:
_handle_get_page_fail(link, exc)
except SSLError as exc:
reason = "There was a problem confirming the ssl certificate: "
reason += str(exc)
_handle_get_page_fail(link, reason, meth=logger.info)
except requests.ConnectionError as exc:
_handle_get_page_fail(link, "connection error: %s" % exc)
except requests.Timeout:
_handle_get_page_fail(link, "timed out")
else:
return HTMLPage(resp.content, resp.url, resp.headers)
return None
class PackageFinder(object):
"""This finds packages.
This is meant to match easy_install's technique for looking for
packages, by reading pages and looking for appropriate links.
"""
def __init__(
self,
find_links, # type: List[str]
index_urls, # type: List[str]
allow_all_prereleases=False, # type: bool
trusted_hosts=None, # type: Optional[Iterable[str]]
session=None, # type: Optional[PipSession]
format_control=None, # type: Optional[FormatControl]
platform=None, # type: Optional[str]
versions=None, # type: Optional[List[str]]
abi=None, # type: Optional[str]
implementation=None, # type: Optional[str]
prefer_binary=False # type: bool
):
# type: (...) -> None
"""Create a PackageFinder.
:param format_control: A FormatControl object or None. Used to control
the selection of source packages / binary packages when consulting
the index and links.
:param platform: A string or None. If None, searches for packages
that are supported by the current system. Otherwise, will find
packages that can be built on the platform passed in. These
packages will only be downloaded for distribution: they will
not be built locally.
:param versions: A list of strings or None. This is passed directly
to pep425tags.py in the get_supported() method.
:param abi: A string or None. This is passed directly
to pep425tags.py in the get_supported() method.
:param implementation: A string or None. This is passed directly
to pep425tags.py in the get_supported() method.
"""
if session is None:
raise TypeError(
"PackageFinder() missing 1 required keyword argument: "
"'session'"
)
# Build find_links. If an argument starts with ~, it may be
# a local file relative to a home directory. So try normalizing
# it and if it exists, use the normalized version.
# This is deliberately conservative - it might be fine just to
# blindly normalize anything starting with a ~...
self.find_links = [] # type: List[str]
for link in find_links:
if link.startswith('~'):
new_link = normalize_path(link)
if os.path.exists(new_link):
link = new_link
self.find_links.append(link)
self.index_urls = index_urls
# These are boring links that have already been logged somehow:
self.logged_links = set() # type: Set[Link]
self.format_control = format_control or FormatControl(set(), set())
# Domains that we won't emit warnings for when not using HTTPS
self.secure_origins = [
("*", host, "*")
for host in (trusted_hosts if trusted_hosts else [])
] # type: List[SecureOrigin]
# Do we want to allow _all_ pre-releases?
self.allow_all_prereleases = allow_all_prereleases
# The Session we'll use to make requests
self.session = session
# The valid tags to check potential found wheel candidates against
self.valid_tags = get_supported(
versions=versions,
platform=platform,
abi=abi,
impl=implementation,
)
# Do we prefer old, but valid, binary dist over new source dist
self.prefer_binary = prefer_binary
# If we don't have TLS enabled, then WARN if anyplace we're looking
# relies on TLS.
if not HAS_TLS:
for link in itertools.chain(self.index_urls, self.find_links):
parsed = urllib_parse.urlparse(link)
if parsed.scheme == "https":
logger.warning(
"pip is configured with locations that require "
"TLS/SSL, however the ssl module in Python is not "
"available."
)
break
def get_formatted_locations(self):
# type: () -> str
lines = []
if self.index_urls and self.index_urls != [PyPI.simple_url]:
lines.append(
"Looking in indexes: {}".format(", ".join(
redact_password_from_url(url) for url in self.index_urls))
)
if self.find_links:
lines.append(
"Looking in links: {}".format(", ".join(self.find_links))
)
return "\n".join(lines)
@staticmethod
def _sort_locations(locations, expand_dir=False):
# type: (Sequence[str], bool) -> Tuple[List[str], List[str]]
"""
Sort locations into "files" (archives) and "urls", and return
a pair of lists (files,urls)
"""
files = []
urls = []
# puts the url for the given file path into the appropriate list
def sort_path(path):
url = path_to_url(path)
if mimetypes.guess_type(url, strict=False)[0] == 'text/html':
urls.append(url)
else:
files.append(url)
for url in locations:
is_local_path = os.path.exists(url)
is_file_url = url.startswith('file:')
if is_local_path or is_file_url:
if is_local_path:
path = url
else:
path = url_to_path(url)
if os.path.isdir(path):
if expand_dir:
path = os.path.realpath(path)
for item in os.listdir(path):
sort_path(os.path.join(path, item))
elif is_file_url:
urls.append(url)
else:
logger.warning(
"Path '{0}' is ignored: "
"it is a directory.".format(path),
)
elif os.path.isfile(path):
sort_path(path)
else:
logger.warning(
"Url '%s' is ignored: it is neither a file "
"nor a directory.", url,
)
elif is_url(url):
# Only add url with clear scheme
urls.append(url)
else:
logger.warning(
"Url '%s' is ignored. It is either a non-existing "
"path or lacks a specific scheme.", url,
)
return files, urls
def _candidate_sort_key(self, candidate):
# type: (InstallationCandidate) -> CandidateSortingKey
"""
Function used to generate link sort key for link tuples.
The greater the return value, the more preferred it is.
If not finding wheels, then sorted by version only.
If finding wheels, then the sort order is by version, then:
1. existing installs
2. wheels ordered via Wheel.support_index_min(self.valid_tags)
3. source archives
If prefer_binary was set, then all wheels are sorted above sources.
Note: it was considered to embed this logic into the Link
comparison operators, but then different sdist links
with the same version, would have to be considered equal
"""
support_num = len(self.valid_tags)
build_tag = tuple() # type: BuildTag
binary_preference = 0
if candidate.location.is_wheel:
# can raise InvalidWheelFilename
wheel = Wheel(candidate.location.filename)
if not wheel.supported(self.valid_tags):
raise UnsupportedWheel(
"%s is not a supported wheel for this platform. It "
"can't be sorted." % wheel.filename
)
if self.prefer_binary:
binary_preference = 1
pri = -(wheel.support_index_min(self.valid_tags))
if wheel.build_tag is not None:
match = re.match(r'^(\d+)(.*)$', wheel.build_tag)
build_tag_groups = match.groups()
build_tag = (int(build_tag_groups[0]), build_tag_groups[1])
else: # sdist
pri = -(support_num)
return (binary_preference, candidate.version, build_tag, pri)
def _validate_secure_origin(self, logger, location):
# type: (Logger, Link) -> bool
# Determine if this url used a secure transport mechanism
parsed = urllib_parse.urlparse(str(location))
origin = (parsed.scheme, parsed.hostname, parsed.port)
# The protocol to use to see if the protocol matches.
# Don't count the repository type as part of the protocol: in
# cases such as "git+ssh", only use "ssh". (I.e., Only verify against
# the last scheme.)
protocol = origin[0].rsplit('+', 1)[-1]
# Determine if our origin is a secure origin by looking through our
# hardcoded list of secure origins, as well as any additional ones
# configured on this PackageFinder instance.
for secure_origin in (SECURE_ORIGINS + self.secure_origins):
if protocol != secure_origin[0] and secure_origin[0] != "*":
continue
try:
# We need to do this decode dance to ensure that we have a
# unicode object, even on Python 2.x.
addr = ipaddress.ip_address(
origin[1]
if (
isinstance(origin[1], six.text_type) or
origin[1] is None
)
else origin[1].decode("utf8")
)
network = ipaddress.ip_network(
secure_origin[1]
if isinstance(secure_origin[1], six.text_type)
# setting secure_origin[1] to proper Union[bytes, str]
# creates problems in other places
else secure_origin[1].decode("utf8") # type: ignore
)
except ValueError:
# We don't have both a valid address or a valid network, so
# we'll check this origin against hostnames.
if (origin[1] and
origin[1].lower() != secure_origin[1].lower() and
secure_origin[1] != "*"):
continue
else:
# We have a valid address and network, so see if the address
# is contained within the network.
if addr not in network:
continue
# Check to see if the port patches
if (origin[2] != secure_origin[2] and
secure_origin[2] != "*" and
secure_origin[2] is not None):
continue
# If we've gotten here, then this origin matches the current
# secure origin and we should return True
return True
# If we've gotten to this point, then the origin isn't secure and we
# will not accept it as a valid location to search. We will however
# log a warning that we are ignoring it.
logger.warning(
"The repository located at %s is not a trusted or secure host and "
"is being ignored. If this repository is available via HTTPS we "
"recommend you use HTTPS instead, otherwise you may silence "
"this warning and allow it anyway with '--trusted-host %s'.",
parsed.hostname,
parsed.hostname,
)
return False
def _get_index_urls_locations(self, project_name):
# type: (str) -> List[str]
"""Returns the locations found via self.index_urls
Checks the url_name on the main (first in the list) index and
use this url_name to produce all locations
"""
def mkurl_pypi_url(url):
loc = posixpath.join(
url,
urllib_parse.quote(canonicalize_name(project_name)))
# For maximum compatibility with easy_install, ensure the path
# ends in a trailing slash. Although this isn't in the spec
# (and PyPI can handle it without the slash) some other index
# implementations might break if they relied on easy_install's
# behavior.
if not loc.endswith('/'):
loc = loc + '/'
return loc
return [mkurl_pypi_url(url) for url in self.index_urls]
def find_all_candidates(self, project_name):
# type: (str) -> List[Optional[InstallationCandidate]]
"""Find all available InstallationCandidate for project_name
This checks index_urls and find_links.
All versions found are returned as an InstallationCandidate list.
See _link_package_versions for details on which files are accepted
"""
index_locations = self._get_index_urls_locations(project_name)
index_file_loc, index_url_loc = self._sort_locations(index_locations)
fl_file_loc, fl_url_loc = self._sort_locations(
self.find_links, expand_dir=True,
)
file_locations = (Link(url) for url in itertools.chain(
index_file_loc, fl_file_loc,
))
# We trust every url that the user has given us whether it was given
# via --index-url or --find-links.
# We want to filter out any thing which does not have a secure origin.
url_locations = [
link for link in itertools.chain(
(Link(url) for url in index_url_loc),
(Link(url) for url in fl_url_loc),
)
if self._validate_secure_origin(logger, link)
]
logger.debug('%d location(s) to search for versions of %s:',
len(url_locations), project_name)
for location in url_locations:
logger.debug('* %s', location)
canonical_name = canonicalize_name(project_name)
formats = self.format_control.get_allowed_formats(canonical_name)
search = Search(project_name, canonical_name, formats)
find_links_versions = self._package_versions(
# We trust every directly linked archive in find_links
(Link(url, '-f') for url in self.find_links),
search
)
page_versions = []
for page in self._get_pages(url_locations, project_name):
logger.debug('Analyzing links from page %s', page.url)
with indent_log():
page_versions.extend(
self._package_versions(page.iter_links(), search)
)
file_versions = self._package_versions(file_locations, search)
if file_versions:
file_versions.sort(reverse=True)
logger.debug(
'Local files found: %s',
', '.join([
url_to_path(candidate.location.url)
for candidate in file_versions
])
)
# This is an intentional priority ordering
return file_versions + find_links_versions + page_versions
def find_requirement(self, req, upgrade):
# type: (InstallRequirement, bool) -> Optional[Link]
"""Try to find a Link matching req
Expects req, an InstallRequirement and upgrade, a boolean
Returns a Link if found,
Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise
"""
all_candidates = self.find_all_candidates(req.name)
# Filter out anything which doesn't match our specifier
compatible_versions = set(
req.specifier.filter(
# We turn the version object into a str here because otherwise
# when we're debundled but setuptools isn't, Python will see
# packaging.version.Version and
# pkg_resources._vendor.packaging.version.Version as different
# types. This way we'll use a str as a common data interchange
# format. If we stop using the pkg_resources provided specifier
# and start using our own, we can drop the cast to str().
[str(c.version) for c in all_candidates],
prereleases=(
self.allow_all_prereleases
if self.allow_all_prereleases else None
),
)
)
applicable_candidates = [
# Again, converting to str to deal with debundling.
c for c in all_candidates if str(c.version) in compatible_versions
]
if applicable_candidates:
best_candidate = max(applicable_candidates,
key=self._candidate_sort_key)
else:
best_candidate = None
if req.satisfied_by is not None:
installed_version = parse_version(req.satisfied_by.version)
else:
installed_version = None
if installed_version is None and best_candidate is None:
logger.critical(
'Could not find a version that satisfies the requirement %s '
'(from versions: %s)',
req,
', '.join(
sorted(
{str(c.version) for c in all_candidates},
key=parse_version,
)
)
)
raise DistributionNotFound(
'No matching distribution found for %s' % req
)
best_installed = False
if installed_version and (
best_candidate is None or
best_candidate.version <= installed_version):
best_installed = True
if not upgrade and installed_version is not None:
if best_installed:
logger.debug(
'Existing installed version (%s) is most up-to-date and '
'satisfies requirement',
installed_version,
)
else:
logger.debug(
'Existing installed version (%s) satisfies requirement '
'(most up-to-date version is %s)',
installed_version,
best_candidate.version,
)
return None
if best_installed:
# We have an existing version, and its the best version
logger.debug(
'Installed version (%s) is most up-to-date (past versions: '
'%s)',
installed_version,
', '.join(sorted(compatible_versions, key=parse_version)) or
"none",
)
raise BestVersionAlreadyInstalled
logger.debug(
'Using version %s (newest of versions: %s)',
best_candidate.version,
', '.join(sorted(compatible_versions, key=parse_version))
)
return best_candidate.location
def _get_pages(self, locations, project_name):
# type: (Iterable[Link], str) -> Iterable[HTMLPage]
"""
Yields (page, page_url) from the given locations, skipping
locations that have errors.
"""
seen = set() # type: Set[Link]
for location in locations:
if location in seen:
continue
seen.add(location)
page = _get_html_page(location, session=self.session)
if page is None:
continue
yield page
_py_version_re = re.compile(r'-py([123]\.?[0-9]?)$')
def _sort_links(self, links):
# type: (Iterable[Link]) -> List[Link]
"""
Returns elements of links in order, non-egg links first, egg links
second, while eliminating duplicates
"""
eggs, no_eggs = [], []
seen = set() # type: Set[Link]
for link in links:
if link not in seen:
seen.add(link)
if link.egg_fragment:
eggs.append(link)
else:
no_eggs.append(link)
return no_eggs + eggs
def _package_versions(
self,
links, # type: Iterable[Link]
search # type: Search
):
# type: (...) -> List[Optional[InstallationCandidate]]
result = []
for link in self._sort_links(links):
v = self._link_package_versions(link, search)
if v is not None:
result.append(v)
return result
def _log_skipped_link(self, link, reason):
# type: (Link, str) -> None
if link not in self.logged_links:
logger.debug('Skipping link %s; %s', link, reason)
self.logged_links.add(link)
def _link_package_versions(self, link, search):
# type: (Link, Search) -> Optional[InstallationCandidate]
"""Return an InstallationCandidate or None"""
version = None
if link.egg_fragment:
egg_info = link.egg_fragment
ext = link.ext
else:
egg_info, ext = link.splitext()
if not ext:
self._log_skipped_link(link, 'not a file')
return None
if ext not in SUPPORTED_EXTENSIONS:
self._log_skipped_link(
link, 'unsupported archive format: %s' % ext,
)
return None
if "binary" not in search.formats and ext == WHEEL_EXTENSION:
self._log_skipped_link(
link, 'No binaries permitted for %s' % search.supplied,
)
return None
if "macosx10" in link.path and ext == '.zip':
self._log_skipped_link(link, 'macosx10 one')
return None
if ext == WHEEL_EXTENSION:
try:
wheel = Wheel(link.filename)
except InvalidWheelFilename:
self._log_skipped_link(link, 'invalid wheel filename')
return None
if canonicalize_name(wheel.name) != search.canonical:
self._log_skipped_link(
link, 'wrong project name (not %s)' % search.supplied)
return None
if not wheel.supported(self.valid_tags):
self._log_skipped_link(
link, 'it is not compatible with this Python')
return None
version = wheel.version
# This should be up by the search.ok_binary check, but see issue 2700.
if "source" not in search.formats and ext != WHEEL_EXTENSION:
self._log_skipped_link(
link, 'No sources permitted for %s' % search.supplied,
)
return None
if not version:
version = _egg_info_matches(egg_info, search.canonical)
if not version:
self._log_skipped_link(
link, 'Missing project version for %s' % search.supplied)
return None
match = self._py_version_re.search(version)
if match:
version = version[:match.start()]
py_version = match.group(1)
if py_version != sys.version[:3]:
self._log_skipped_link(
link, 'Python version is incorrect')
return None
try:
support_this_python = check_requires_python(link.requires_python)
except specifiers.InvalidSpecifier:
logger.debug("Package %s has an invalid Requires-Python entry: %s",
link.filename, link.requires_python)
support_this_python = True
if not support_this_python:
logger.debug("The package %s is incompatible with the python "
"version in use. Acceptable python versions are: %s",
link, link.requires_python)
return None
logger.debug('Found link %s, version: %s', link, version)
return InstallationCandidate(search.supplied, version, link)
def _find_name_version_sep(egg_info, canonical_name):
# type: (str, str) -> int
"""Find the separator's index based on the package's canonical name.
`egg_info` must be an egg info string for the given package, and
`canonical_name` must be the package's canonical name.
This function is needed since the canonicalized name does not necessarily
have the same length as the egg info's name part. An example::
>>> egg_info = 'foo__bar-1.0'
>>> canonical_name = 'foo-bar'
>>> _find_name_version_sep(egg_info, canonical_name)
8
"""
# Project name and version must be separated by one single dash. Find all
# occurrences of dashes; if the string in front of it matches the canonical
# name, this is the one separating the name and version parts.
for i, c in enumerate(egg_info):
if c != "-":
continue
if canonicalize_name(egg_info[:i]) == canonical_name:
return i
raise ValueError("{} does not match {}".format(egg_info, canonical_name))
def _egg_info_matches(egg_info, canonical_name):
# type: (str, str) -> Optional[str]
"""Pull the version part out of a string.
:param egg_info: The string to parse. E.g. foo-2.1
:param canonical_name: The canonicalized name of the package this
belongs to.
"""
try:
version_start = _find_name_version_sep(egg_info, canonical_name) + 1
except ValueError:
return None
version = egg_info[version_start:]
if not version:
return None
return version
def _determine_base_url(document, page_url):
"""Determine the HTML document's base URL.
This looks for a ``<base>`` tag in the HTML document. If present, its href
attribute denotes the base URL of anchor tags in the document. If there is
no such tag (or if it does not have a valid href attribute), the HTML
file's URL is used as the base URL.
:param document: An HTML document representation. The current
implementation expects the result of ``html5lib.parse()``.
:param page_url: The URL of the HTML document.
"""
for base in document.findall(".//base"):
href = base.get("href")
if href is not None:
return href
return page_url
def _get_encoding_from_headers(headers):
"""Determine if we have any encoding information in our headers.
"""
if headers and "Content-Type" in headers:
content_type, params = cgi.parse_header(headers["Content-Type"])
if "charset" in params:
return params['charset']
return None
_CLEAN_LINK_RE = re.compile(r'[^a-z0-9$&+,/:;=?@.#%_\\|-]', re.I)
def _clean_link(url):
# type: (str) -> str
"""Makes sure a link is fully encoded. That is, if a ' ' shows up in
the link, it will be rewritten to %20 (while not over-quoting
% or other characters)."""
return _CLEAN_LINK_RE.sub(lambda match: '%%%2x' % ord(match.group(0)), url)
class HTMLPage(object):
"""Represents one page, along with its URL"""
def __init__(self, content, url, headers=None):
# type: (bytes, str, MutableMapping[str, str]) -> None
self.content = content
self.url = url
self.headers = headers
def __str__(self):
return redact_password_from_url(self.url)
def iter_links(self):
# type: () -> Iterable[Link]
"""Yields all links in the page"""
document = html5lib.parse(
self.content,
transport_encoding=_get_encoding_from_headers(self.headers),
namespaceHTMLElements=False,
)
base_url = _determine_base_url(document, self.url)
for anchor in document.findall(".//a"):
if anchor.get("href"):
href = anchor.get("href")
url = _clean_link(urllib_parse.urljoin(base_url, href))
pyrequire = anchor.get('data-requires-python')
pyrequire = unescape(pyrequire) if pyrequire else None
yield Link(url, self.url, requires_python=pyrequire)
Search = namedtuple('Search', 'supplied canonical formats')
"""Capture key aspects of a search.
:attribute supplied: The user supplied package.
:attribute canonical: The canonical package name.
:attribute formats: The formats allowed for this package. Should be a set
with 'binary' or 'source' or both in it.
"""

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"""Locations where we look for configs, install stuff, etc"""
from __future__ import absolute_import
import os
import os.path
import platform
import site
import sys
import sysconfig
from distutils import sysconfig as distutils_sysconfig
from distutils.command.install import SCHEME_KEYS # type: ignore
from pip._internal.utils import appdirs
from pip._internal.utils.compat import WINDOWS, expanduser
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Any, Union, Dict, List, Optional # noqa: F401
# Application Directories
USER_CACHE_DIR = appdirs.user_cache_dir("pip")
DELETE_MARKER_MESSAGE = '''\
This file is placed here by pip to indicate the source was put
here by pip.
Once this package is successfully installed this source code will be
deleted (unless you remove this file).
'''
PIP_DELETE_MARKER_FILENAME = 'pip-delete-this-directory.txt'
def write_delete_marker_file(directory):
# type: (str) -> None
"""
Write the pip delete marker file into this directory.
"""
filepath = os.path.join(directory, PIP_DELETE_MARKER_FILENAME)
with open(filepath, 'w') as marker_fp:
marker_fp.write(DELETE_MARKER_MESSAGE)
def running_under_virtualenv():
# type: () -> bool
"""
Return True if we're running inside a virtualenv, False otherwise.
"""
if hasattr(sys, 'real_prefix'):
return True
elif sys.prefix != getattr(sys, "base_prefix", sys.prefix):
return True
return False
def virtualenv_no_global():
# type: () -> bool
"""
Return True if in a venv and no system site packages.
"""
# this mirrors the logic in virtualenv.py for locating the
# no-global-site-packages.txt file
site_mod_dir = os.path.dirname(os.path.abspath(site.__file__))
no_global_file = os.path.join(site_mod_dir, 'no-global-site-packages.txt')
if running_under_virtualenv() and os.path.isfile(no_global_file):
return True
else:
return False
if running_under_virtualenv():
src_prefix = os.path.join(sys.prefix, 'src')
else:
# FIXME: keep src in cwd for now (it is not a temporary folder)
try:
src_prefix = os.path.join(os.getcwd(), 'src')
except OSError:
# In case the current working directory has been renamed or deleted
sys.exit(
"The folder you are executing pip from can no longer be found."
)
# under macOS + virtualenv sys.prefix is not properly resolved
# it is something like /path/to/python/bin/..
# Note: using realpath due to tmp dirs on OSX being symlinks
src_prefix = os.path.abspath(src_prefix)
# FIXME doesn't account for venv linked to global site-packages
site_packages = sysconfig.get_path("purelib") # type: Optional[str]
# This is because of a bug in PyPy's sysconfig module, see
# https://bitbucket.org/pypy/pypy/issues/2506/sysconfig-returns-incorrect-paths
# for more information.
if platform.python_implementation().lower() == "pypy":
site_packages = distutils_sysconfig.get_python_lib()
try:
# Use getusersitepackages if this is present, as it ensures that the
# value is initialised properly.
user_site = site.getusersitepackages()
except AttributeError:
user_site = site.USER_SITE
user_dir = expanduser('~')
if WINDOWS:
bin_py = os.path.join(sys.prefix, 'Scripts')
bin_user = os.path.join(user_site, 'Scripts')
# buildout uses 'bin' on Windows too?
if not os.path.exists(bin_py):
bin_py = os.path.join(sys.prefix, 'bin')
bin_user = os.path.join(user_site, 'bin')
config_basename = 'pip.ini'
legacy_storage_dir = os.path.join(user_dir, 'pip')
legacy_config_file = os.path.join(
legacy_storage_dir,
config_basename,
)
else:
bin_py = os.path.join(sys.prefix, 'bin')
bin_user = os.path.join(user_site, 'bin')
config_basename = 'pip.conf'
legacy_storage_dir = os.path.join(user_dir, '.pip')
legacy_config_file = os.path.join(
legacy_storage_dir,
config_basename,
)
# Forcing to use /usr/local/bin for standard macOS framework installs
# Also log to ~/Library/Logs/ for use with the Console.app log viewer
if sys.platform[:6] == 'darwin' and sys.prefix[:16] == '/System/Library/':
bin_py = '/usr/local/bin'
site_config_files = [
os.path.join(path, config_basename)
for path in appdirs.site_config_dirs('pip')
]
venv_config_file = os.path.join(sys.prefix, config_basename)
new_config_file = os.path.join(appdirs.user_config_dir("pip"), config_basename)
def distutils_scheme(dist_name, user=False, home=None, root=None,
isolated=False, prefix=None):
# type:(str, bool, str, str, bool, str) -> dict
"""
Return a distutils install scheme
"""
from distutils.dist import Distribution
scheme = {}
if isolated:
extra_dist_args = {"script_args": ["--no-user-cfg"]}
else:
extra_dist_args = {}
dist_args = {'name': dist_name} # type: Dict[str, Union[str, List[str]]]
dist_args.update(extra_dist_args)
d = Distribution(dist_args)
# Ignoring, typeshed issue reported python/typeshed/issues/2567
d.parse_config_files()
# NOTE: Ignoring type since mypy can't find attributes on 'Command'
i = d.get_command_obj('install', create=True) # type: Any
assert i is not None
# NOTE: setting user or home has the side-effect of creating the home dir
# or user base for installations during finalize_options()
# ideally, we'd prefer a scheme class that has no side-effects.
assert not (user and prefix), "user={} prefix={}".format(user, prefix)
i.user = user or i.user
if user:
i.prefix = ""
i.prefix = prefix or i.prefix
i.home = home or i.home
i.root = root or i.root
i.finalize_options()
for key in SCHEME_KEYS:
scheme[key] = getattr(i, 'install_' + key)
# install_lib specified in setup.cfg should install *everything*
# into there (i.e. it takes precedence over both purelib and
# platlib). Note, i.install_lib is *always* set after
# finalize_options(); we only want to override here if the user
# has explicitly requested it hence going back to the config
# Ignoring, typeshed issue reported python/typeshed/issues/2567
if 'install_lib' in d.get_option_dict('install'): # type: ignore
scheme.update(dict(purelib=i.install_lib, platlib=i.install_lib))
if running_under_virtualenv():
scheme['headers'] = os.path.join(
sys.prefix,
'include',
'site',
'python' + sys.version[:3],
dist_name,
)
if root is not None:
path_no_drive = os.path.splitdrive(
os.path.abspath(scheme["headers"]))[1]
scheme["headers"] = os.path.join(
root,
path_no_drive[1:],
)
return scheme

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"""A package that contains models that represent entities.
"""

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from pip._vendor.packaging.version import parse as parse_version
from pip._internal.utils.models import KeyBasedCompareMixin
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from pip._vendor.packaging.version import _BaseVersion # noqa: F401
from pip._internal.models.link import Link # noqa: F401
from typing import Any, Union # noqa: F401
class InstallationCandidate(KeyBasedCompareMixin):
"""Represents a potential "candidate" for installation.
"""
def __init__(self, project, version, location):
# type: (Any, str, Link) -> None
self.project = project
self.version = parse_version(version) # type: _BaseVersion
self.location = location
super(InstallationCandidate, self).__init__(
key=(self.project, self.version, self.location),
defining_class=InstallationCandidate
)
def __repr__(self):
# type: () -> str
return "<InstallationCandidate({!r}, {!r}, {!r})>".format(
self.project, self.version, self.location,
)

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from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Optional, Set, FrozenSet # noqa: F401
class FormatControl(object):
"""Helper for managing formats from which a package can be installed.
"""
def __init__(self, no_binary=None, only_binary=None):
# type: (Optional[Set], Optional[Set]) -> None
if no_binary is None:
no_binary = set()
if only_binary is None:
only_binary = set()
self.no_binary = no_binary
self.only_binary = only_binary
def __eq__(self, other):
return self.__dict__ == other.__dict__
def __ne__(self, other):
return not self.__eq__(other)
def __repr__(self):
return "{}({}, {})".format(
self.__class__.__name__,
self.no_binary,
self.only_binary
)
@staticmethod
def handle_mutual_excludes(value, target, other):
# type: (str, Optional[Set], Optional[Set]) -> None
new = value.split(',')
while ':all:' in new:
other.clear()
target.clear()
target.add(':all:')
del new[:new.index(':all:') + 1]
# Without a none, we want to discard everything as :all: covers it
if ':none:' not in new:
return
for name in new:
if name == ':none:':
target.clear()
continue
name = canonicalize_name(name)
other.discard(name)
target.add(name)
def get_allowed_formats(self, canonical_name):
# type: (str) -> FrozenSet
result = {"binary", "source"}
if canonical_name in self.only_binary:
result.discard('source')
elif canonical_name in self.no_binary:
result.discard('binary')
elif ':all:' in self.only_binary:
result.discard('source')
elif ':all:' in self.no_binary:
result.discard('binary')
return frozenset(result)
def disallow_binaries(self):
# type: () -> None
self.handle_mutual_excludes(
':all:', self.no_binary, self.only_binary,
)

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from pip._vendor.six.moves.urllib import parse as urllib_parse
class PackageIndex(object):
"""Represents a Package Index and provides easier access to endpoints
"""
def __init__(self, url, file_storage_domain):
# type: (str, str) -> None
super(PackageIndex, self).__init__()
self.url = url
self.netloc = urllib_parse.urlsplit(url).netloc
self.simple_url = self._url_for_path('simple')
self.pypi_url = self._url_for_path('pypi')
# This is part of a temporary hack used to block installs of PyPI
# packages which depend on external urls only necessary until PyPI can
# block such packages themselves
self.file_storage_domain = file_storage_domain
def _url_for_path(self, path):
# type: (str) -> str
return urllib_parse.urljoin(self.url, path)
PyPI = PackageIndex(
'https://pypi.org/', file_storage_domain='files.pythonhosted.org'
)
TestPyPI = PackageIndex(
'https://test.pypi.org/', file_storage_domain='test-files.pythonhosted.org'
)

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import posixpath
import re
from pip._vendor.six.moves.urllib import parse as urllib_parse
from pip._internal.download import path_to_url
from pip._internal.utils.misc import (
WHEEL_EXTENSION, redact_password_from_url, splitext,
)
from pip._internal.utils.models import KeyBasedCompareMixin
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Optional, Tuple, Union, Text # noqa: F401
from pip._internal.index import HTMLPage # noqa: F401
class Link(KeyBasedCompareMixin):
"""Represents a parsed link from a Package Index's simple URL
"""
def __init__(self, url, comes_from=None, requires_python=None):
# type: (str, Optional[Union[str, HTMLPage]], Optional[str]) -> None
"""
url:
url of the resource pointed to (href of the link)
comes_from:
instance of HTMLPage where the link was found, or string.
requires_python:
String containing the `Requires-Python` metadata field, specified
in PEP 345. This may be specified by a data-requires-python
attribute in the HTML link tag, as described in PEP 503.
"""
# url can be a UNC windows share
if url.startswith('\\\\'):
url = path_to_url(url)
self.url = url
self.comes_from = comes_from
self.requires_python = requires_python if requires_python else None
super(Link, self).__init__(
key=(self.url),
defining_class=Link
)
def __str__(self):
if self.requires_python:
rp = ' (requires-python:%s)' % self.requires_python
else:
rp = ''
if self.comes_from:
return '%s (from %s)%s' % (redact_password_from_url(self.url),
self.comes_from, rp)
else:
return redact_password_from_url(str(self.url))
def __repr__(self):
return '<Link %s>' % self
@property
def filename(self):
# type: () -> str
_, netloc, path, _, _ = urllib_parse.urlsplit(self.url)
name = posixpath.basename(path.rstrip('/')) or netloc
name = urllib_parse.unquote(name)
assert name, ('URL %r produced no filename' % self.url)
return name
@property
def scheme(self):
# type: () -> str
return urllib_parse.urlsplit(self.url)[0]
@property
def netloc(self):
# type: () -> str
return urllib_parse.urlsplit(self.url)[1]
@property
def path(self):
# type: () -> str
return urllib_parse.unquote(urllib_parse.urlsplit(self.url)[2])
def splitext(self):
# type: () -> Tuple[str, str]
return splitext(posixpath.basename(self.path.rstrip('/')))
@property
def ext(self):
# type: () -> str
return self.splitext()[1]
@property
def url_without_fragment(self):
# type: () -> str
scheme, netloc, path, query, fragment = urllib_parse.urlsplit(self.url)
return urllib_parse.urlunsplit((scheme, netloc, path, query, None))
_egg_fragment_re = re.compile(r'[#&]egg=([^&]*)')
@property
def egg_fragment(self):
# type: () -> Optional[str]
match = self._egg_fragment_re.search(self.url)
if not match:
return None
return match.group(1)
_subdirectory_fragment_re = re.compile(r'[#&]subdirectory=([^&]*)')
@property
def subdirectory_fragment(self):
# type: () -> Optional[str]
match = self._subdirectory_fragment_re.search(self.url)
if not match:
return None
return match.group(1)
_hash_re = re.compile(
r'(sha1|sha224|sha384|sha256|sha512|md5)=([a-f0-9]+)'
)
@property
def hash(self):
# type: () -> Optional[str]
match = self._hash_re.search(self.url)
if match:
return match.group(2)
return None
@property
def hash_name(self):
# type: () -> Optional[str]
match = self._hash_re.search(self.url)
if match:
return match.group(1)
return None
@property
def show_url(self):
# type: () -> Optional[str]
return posixpath.basename(self.url.split('#', 1)[0].split('?', 1)[0])
@property
def is_wheel(self):
# type: () -> bool
return self.ext == WHEEL_EXTENSION
@property
def is_artifact(self):
# type: () -> bool
"""
Determines if this points to an actual artifact (e.g. a tarball) or if
it points to an "abstract" thing like a path or a VCS location.
"""
from pip._internal.vcs import vcs
if self.scheme in vcs.all_schemes:
return False
return True

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"""Validation of dependencies of packages
"""
import logging
from collections import namedtuple
from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.pkg_resources import RequirementParseError
from pip._internal.operations.prepare import make_abstract_dist
from pip._internal.utils.misc import get_installed_distributions
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
logger = logging.getLogger(__name__)
if MYPY_CHECK_RUNNING:
from pip._internal.req.req_install import InstallRequirement # noqa: F401
from typing import ( # noqa: F401
Any, Callable, Dict, Optional, Set, Tuple, List
)
# Shorthands
PackageSet = Dict[str, 'PackageDetails']
Missing = Tuple[str, Any]
Conflicting = Tuple[str, str, Any]
MissingDict = Dict[str, List[Missing]]
ConflictingDict = Dict[str, List[Conflicting]]
CheckResult = Tuple[MissingDict, ConflictingDict]
PackageDetails = namedtuple('PackageDetails', ['version', 'requires'])
def create_package_set_from_installed(**kwargs):
# type: (**Any) -> Tuple[PackageSet, bool]
"""Converts a list of distributions into a PackageSet.
"""
# Default to using all packages installed on the system
if kwargs == {}:
kwargs = {"local_only": False, "skip": ()}
package_set = {}
problems = False
for dist in get_installed_distributions(**kwargs):
name = canonicalize_name(dist.project_name)
try:
package_set[name] = PackageDetails(dist.version, dist.requires())
except RequirementParseError as e:
# Don't crash on broken metadata
logging.warning("Error parsing requirements for %s: %s", name, e)
problems = True
return package_set, problems
def check_package_set(package_set, should_ignore=None):
# type: (PackageSet, Optional[Callable[[str], bool]]) -> CheckResult
"""Check if a package set is consistent
If should_ignore is passed, it should be a callable that takes a
package name and returns a boolean.
"""
if should_ignore is None:
def should_ignore(name):
return False
missing = dict()
conflicting = dict()
for package_name in package_set:
# Info about dependencies of package_name
missing_deps = set() # type: Set[Missing]
conflicting_deps = set() # type: Set[Conflicting]
if should_ignore(package_name):
continue
for req in package_set[package_name].requires:
name = canonicalize_name(req.project_name) # type: str
# Check if it's missing
if name not in package_set:
missed = True
if req.marker is not None:
missed = req.marker.evaluate()
if missed:
missing_deps.add((name, req))
continue
# Check if there's a conflict
version = package_set[name].version # type: str
if not req.specifier.contains(version, prereleases=True):
conflicting_deps.add((name, version, req))
if missing_deps:
missing[package_name] = sorted(missing_deps, key=str)
if conflicting_deps:
conflicting[package_name] = sorted(conflicting_deps, key=str)
return missing, conflicting
def check_install_conflicts(to_install):
# type: (List[InstallRequirement]) -> Tuple[PackageSet, CheckResult]
"""For checking if the dependency graph would be consistent after \
installing given requirements
"""
# Start from the current state
package_set, _ = create_package_set_from_installed()
# Install packages
would_be_installed = _simulate_installation_of(to_install, package_set)
# Only warn about directly-dependent packages; create a whitelist of them
whitelist = _create_whitelist(would_be_installed, package_set)
return (
package_set,
check_package_set(
package_set, should_ignore=lambda name: name not in whitelist
)
)
def _simulate_installation_of(to_install, package_set):
# type: (List[InstallRequirement], PackageSet) -> Set[str]
"""Computes the version of packages after installing to_install.
"""
# Keep track of packages that were installed
installed = set()
# Modify it as installing requirement_set would (assuming no errors)
for inst_req in to_install:
dist = make_abstract_dist(inst_req).dist()
name = canonicalize_name(dist.key)
package_set[name] = PackageDetails(dist.version, dist.requires())
installed.add(name)
return installed
def _create_whitelist(would_be_installed, package_set):
# type: (Set[str], PackageSet) -> Set[str]
packages_affected = set(would_be_installed)
for package_name in package_set:
if package_name in packages_affected:
continue
for req in package_set[package_name].requires:
if canonicalize_name(req.name) in packages_affected:
packages_affected.add(package_name)
break
return packages_affected

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from __future__ import absolute_import
import collections
import logging
import os
import re
from pip._vendor import six
from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.pkg_resources import RequirementParseError
from pip._internal.exceptions import BadCommand, InstallationError
from pip._internal.req.constructors import (
install_req_from_editable, install_req_from_line,
)
from pip._internal.req.req_file import COMMENT_RE
from pip._internal.utils.misc import (
dist_is_editable, get_installed_distributions,
)
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
Iterator, Optional, List, Container, Set, Dict, Tuple, Iterable, Union
)
from pip._internal.cache import WheelCache # noqa: F401
from pip._vendor.pkg_resources import ( # noqa: F401
Distribution, Requirement
)
RequirementInfo = Tuple[Optional[Union[str, Requirement]], bool, List[str]]
logger = logging.getLogger(__name__)
def freeze(
requirement=None, # type: Optional[List[str]]
find_links=None, # type: Optional[List[str]]
local_only=None, # type: Optional[bool]
user_only=None, # type: Optional[bool]
skip_regex=None, # type: Optional[str]
isolated=False, # type: bool
wheel_cache=None, # type: Optional[WheelCache]
exclude_editable=False, # type: bool
skip=() # type: Container[str]
):
# type: (...) -> Iterator[str]
find_links = find_links or []
skip_match = None
if skip_regex:
skip_match = re.compile(skip_regex).search
for link in find_links:
yield '-f %s' % link
installations = {} # type: Dict[str, FrozenRequirement]
for dist in get_installed_distributions(local_only=local_only,
skip=(),
user_only=user_only):
try:
req = FrozenRequirement.from_dist(dist)
except RequirementParseError:
logger.warning(
"Could not parse requirement: %s",
dist.project_name
)
continue
if exclude_editable and req.editable:
continue
installations[req.name] = req
if requirement:
# the options that don't get turned into an InstallRequirement
# should only be emitted once, even if the same option is in multiple
# requirements files, so we need to keep track of what has been emitted
# so that we don't emit it again if it's seen again
emitted_options = set() # type: Set[str]
# keep track of which files a requirement is in so that we can
# give an accurate warning if a requirement appears multiple times.
req_files = collections.defaultdict(list) # type: Dict[str, List[str]]
for req_file_path in requirement:
with open(req_file_path) as req_file:
for line in req_file:
if (not line.strip() or
line.strip().startswith('#') or
(skip_match and skip_match(line)) or
line.startswith((
'-r', '--requirement',
'-Z', '--always-unzip',
'-f', '--find-links',
'-i', '--index-url',
'--pre',
'--trusted-host',
'--process-dependency-links',
'--extra-index-url'))):
line = line.rstrip()
if line not in emitted_options:
emitted_options.add(line)
yield line
continue
if line.startswith('-e') or line.startswith('--editable'):
if line.startswith('-e'):
line = line[2:].strip()
else:
line = line[len('--editable'):].strip().lstrip('=')
line_req = install_req_from_editable(
line,
isolated=isolated,
wheel_cache=wheel_cache,
)
else:
line_req = install_req_from_line(
COMMENT_RE.sub('', line).strip(),
isolated=isolated,
wheel_cache=wheel_cache,
)
if not line_req.name:
logger.info(
"Skipping line in requirement file [%s] because "
"it's not clear what it would install: %s",
req_file_path, line.strip(),
)
logger.info(
" (add #egg=PackageName to the URL to avoid"
" this warning)"
)
elif line_req.name not in installations:
# either it's not installed, or it is installed
# but has been processed already
if not req_files[line_req.name]:
logger.warning(
"Requirement file [%s] contains %s, but "
"package %r is not installed",
req_file_path,
COMMENT_RE.sub('', line).strip(), line_req.name
)
else:
req_files[line_req.name].append(req_file_path)
else:
yield str(installations[line_req.name]).rstrip()
del installations[line_req.name]
req_files[line_req.name].append(req_file_path)
# Warn about requirements that were included multiple times (in a
# single requirements file or in different requirements files).
for name, files in six.iteritems(req_files):
if len(files) > 1:
logger.warning("Requirement %s included multiple times [%s]",
name, ', '.join(sorted(set(files))))
yield(
'## The following requirements were added by '
'pip freeze:'
)
for installation in sorted(
installations.values(), key=lambda x: x.name.lower()):
if canonicalize_name(installation.name) not in skip:
yield str(installation).rstrip()
def get_requirement_info(dist):
# type: (Distribution) -> RequirementInfo
"""
Compute and return values (req, editable, comments) for use in
FrozenRequirement.from_dist().
"""
if not dist_is_editable(dist):
return (None, False, [])
location = os.path.normcase(os.path.abspath(dist.location))
from pip._internal.vcs import vcs, RemoteNotFoundError
vc_type = vcs.get_backend_type(location)
if not vc_type:
req = dist.as_requirement()
logger.debug(
'No VCS found for editable requirement {!r} in: {!r}', req,
location,
)
comments = [
'# Editable install with no version control ({})'.format(req)
]
return (location, True, comments)
try:
req = vc_type.get_src_requirement(location, dist.project_name)
except RemoteNotFoundError:
req = dist.as_requirement()
comments = [
'# Editable {} install with no remote ({})'.format(
vc_type.__name__, req,
)
]
return (location, True, comments)
except BadCommand:
logger.warning(
'cannot determine version of editable source in %s '
'(%s command not found in path)',
location,
vc_type.name,
)
return (None, True, [])
except InstallationError as exc:
logger.warning(
"Error when trying to get requirement for VCS system %s, "
"falling back to uneditable format", exc
)
else:
if req is not None:
return (req, True, [])
logger.warning(
'Could not determine repository location of %s', location
)
comments = ['## !! Could not determine repository location']
return (None, False, comments)
class FrozenRequirement(object):
def __init__(self, name, req, editable, comments=()):
# type: (str, Union[str, Requirement], bool, Iterable[str]) -> None
self.name = name
self.req = req
self.editable = editable
self.comments = comments
@classmethod
def from_dist(cls, dist):
# type: (Distribution) -> FrozenRequirement
req, editable, comments = get_requirement_info(dist)
if req is None:
req = dist.as_requirement()
return cls(dist.project_name, req, editable, comments=comments)
def __str__(self):
req = self.req
if self.editable:
req = '-e %s' % req
return '\n'.join(list(self.comments) + [str(req)]) + '\n'

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"""Prepares a distribution for installation
"""
import logging
import os
from pip._vendor import pkg_resources, requests
from pip._internal.build_env import BuildEnvironment
from pip._internal.download import (
is_dir_url, is_file_url, is_vcs_url, unpack_url, url_to_path,
)
from pip._internal.exceptions import (
DirectoryUrlHashUnsupported, HashUnpinned, InstallationError,
PreviousBuildDirError, VcsHashUnsupported,
)
from pip._internal.utils.compat import expanduser
from pip._internal.utils.hashes import MissingHashes
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import display_path, normalize_path
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.vcs import vcs
if MYPY_CHECK_RUNNING:
from typing import Any, Optional # noqa: F401
from pip._internal.req.req_install import InstallRequirement # noqa: F401
from pip._internal.index import PackageFinder # noqa: F401
from pip._internal.download import PipSession # noqa: F401
from pip._internal.req.req_tracker import RequirementTracker # noqa: F401
logger = logging.getLogger(__name__)
def make_abstract_dist(req):
# type: (InstallRequirement) -> DistAbstraction
"""Factory to make an abstract dist object.
Preconditions: Either an editable req with a source_dir, or satisfied_by or
a wheel link, or a non-editable req with a source_dir.
:return: A concrete DistAbstraction.
"""
if req.editable:
return IsSDist(req)
elif req.link and req.link.is_wheel:
return IsWheel(req)
else:
return IsSDist(req)
class DistAbstraction(object):
"""Abstracts out the wheel vs non-wheel Resolver.resolve() logic.
The requirements for anything installable are as follows:
- we must be able to determine the requirement name
(or we can't correctly handle the non-upgrade case).
- we must be able to generate a list of run-time dependencies
without installing any additional packages (or we would
have to either burn time by doing temporary isolated installs
or alternatively violate pips 'don't start installing unless
all requirements are available' rule - neither of which are
desirable).
- for packages with setup requirements, we must also be able
to determine their requirements without installing additional
packages (for the same reason as run-time dependencies)
- we must be able to create a Distribution object exposing the
above metadata.
"""
def __init__(self, req):
# type: (InstallRequirement) -> None
self.req = req # type: InstallRequirement
def dist(self):
# type: () -> Any
"""Return a setuptools Dist object."""
raise NotImplementedError
def prep_for_dist(self, finder, build_isolation):
# type: (PackageFinder, bool) -> Any
"""Ensure that we can get a Dist for this requirement."""
raise NotImplementedError
class IsWheel(DistAbstraction):
def dist(self):
# type: () -> pkg_resources.Distribution
return list(pkg_resources.find_distributions(
self.req.source_dir))[0]
def prep_for_dist(self, finder, build_isolation):
# type: (PackageFinder, bool) -> Any
# FIXME:https://github.com/pypa/pip/issues/1112
pass
class IsSDist(DistAbstraction):
def dist(self):
return self.req.get_dist()
def prep_for_dist(self, finder, build_isolation):
# type: (PackageFinder, bool) -> None
# Prepare for building. We need to:
# 1. Load pyproject.toml (if it exists)
# 2. Set up the build environment
self.req.load_pyproject_toml()
should_isolate = self.req.use_pep517 and build_isolation
def _raise_conflicts(conflicting_with, conflicting_reqs):
raise InstallationError(
"Some build dependencies for %s conflict with %s: %s." % (
self.req, conflicting_with, ', '.join(
'%s is incompatible with %s' % (installed, wanted)
for installed, wanted in sorted(conflicting))))
if should_isolate:
# Isolate in a BuildEnvironment and install the build-time
# requirements.
self.req.build_env = BuildEnvironment()
self.req.build_env.install_requirements(
finder, self.req.pyproject_requires, 'overlay',
"Installing build dependencies"
)
conflicting, missing = self.req.build_env.check_requirements(
self.req.requirements_to_check
)
if conflicting:
_raise_conflicts("PEP 517/518 supported requirements",
conflicting)
if missing:
logger.warning(
"Missing build requirements in pyproject.toml for %s.",
self.req,
)
logger.warning(
"The project does not specify a build backend, and "
"pip cannot fall back to setuptools without %s.",
" and ".join(map(repr, sorted(missing)))
)
# Install any extra build dependencies that the backend requests.
# This must be done in a second pass, as the pyproject.toml
# dependencies must be installed before we can call the backend.
with self.req.build_env:
# We need to have the env active when calling the hook.
self.req.spin_message = "Getting requirements to build wheel"
reqs = self.req.pep517_backend.get_requires_for_build_wheel()
conflicting, missing = self.req.build_env.check_requirements(reqs)
if conflicting:
_raise_conflicts("the backend dependencies", conflicting)
self.req.build_env.install_requirements(
finder, missing, 'normal',
"Installing backend dependencies"
)
self.req.prepare_metadata()
self.req.assert_source_matches_version()
class Installed(DistAbstraction):
def dist(self):
# type: () -> pkg_resources.Distribution
return self.req.satisfied_by
def prep_for_dist(self, finder, build_isolation):
# type: (PackageFinder, bool) -> Any
pass
class RequirementPreparer(object):
"""Prepares a Requirement
"""
def __init__(
self,
build_dir, # type: str
download_dir, # type: Optional[str]
src_dir, # type: str
wheel_download_dir, # type: Optional[str]
progress_bar, # type: str
build_isolation, # type: bool
req_tracker # type: RequirementTracker
):
# type: (...) -> None
super(RequirementPreparer, self).__init__()
self.src_dir = src_dir
self.build_dir = build_dir
self.req_tracker = req_tracker
# Where still packed archives should be written to. If None, they are
# not saved, and are deleted immediately after unpacking.
self.download_dir = download_dir
# Where still-packed .whl files should be written to. If None, they are
# written to the download_dir parameter. Separate to download_dir to
# permit only keeping wheel archives for pip wheel.
if wheel_download_dir:
wheel_download_dir = normalize_path(wheel_download_dir)
self.wheel_download_dir = wheel_download_dir
# NOTE
# download_dir and wheel_download_dir overlap semantically and may
# be combined if we're willing to have non-wheel archives present in
# the wheelhouse output by 'pip wheel'.
self.progress_bar = progress_bar
# Is build isolation allowed?
self.build_isolation = build_isolation
@property
def _download_should_save(self):
# type: () -> bool
# TODO: Modify to reduce indentation needed
if self.download_dir:
self.download_dir = expanduser(self.download_dir)
if os.path.exists(self.download_dir):
return True
else:
logger.critical('Could not find download directory')
raise InstallationError(
"Could not find or access download directory '%s'"
% display_path(self.download_dir))
return False
def prepare_linked_requirement(
self,
req, # type: InstallRequirement
session, # type: PipSession
finder, # type: PackageFinder
upgrade_allowed, # type: bool
require_hashes # type: bool
):
# type: (...) -> DistAbstraction
"""Prepare a requirement that would be obtained from req.link
"""
# TODO: Breakup into smaller functions
if req.link and req.link.scheme == 'file':
path = url_to_path(req.link.url)
logger.info('Processing %s', display_path(path))
else:
logger.info('Collecting %s', req)
with indent_log():
# @@ if filesystem packages are not marked
# editable in a req, a non deterministic error
# occurs when the script attempts to unpack the
# build directory
req.ensure_has_source_dir(self.build_dir)
# If a checkout exists, it's unwise to keep going. version
# inconsistencies are logged later, but do not fail the
# installation.
# FIXME: this won't upgrade when there's an existing
# package unpacked in `req.source_dir`
# package unpacked in `req.source_dir`
if os.path.exists(os.path.join(req.source_dir, 'setup.py')):
raise PreviousBuildDirError(
"pip can't proceed with requirements '%s' due to a"
" pre-existing build directory (%s). This is "
"likely due to a previous installation that failed"
". pip is being responsible and not assuming it "
"can delete this. Please delete it and try again."
% (req, req.source_dir)
)
req.populate_link(finder, upgrade_allowed, require_hashes)
# We can't hit this spot and have populate_link return None.
# req.satisfied_by is None here (because we're
# guarded) and upgrade has no impact except when satisfied_by
# is not None.
# Then inside find_requirement existing_applicable -> False
# If no new versions are found, DistributionNotFound is raised,
# otherwise a result is guaranteed.
assert req.link
link = req.link
# Now that we have the real link, we can tell what kind of
# requirements we have and raise some more informative errors
# than otherwise. (For example, we can raise VcsHashUnsupported
# for a VCS URL rather than HashMissing.)
if require_hashes:
# We could check these first 2 conditions inside
# unpack_url and save repetition of conditions, but then
# we would report less-useful error messages for
# unhashable requirements, complaining that there's no
# hash provided.
if is_vcs_url(link):
raise VcsHashUnsupported()
elif is_file_url(link) and is_dir_url(link):
raise DirectoryUrlHashUnsupported()
if not req.original_link and not req.is_pinned:
# Unpinned packages are asking for trouble when a new
# version is uploaded. This isn't a security check, but
# it saves users a surprising hash mismatch in the
# future.
#
# file:/// URLs aren't pinnable, so don't complain
# about them not being pinned.
raise HashUnpinned()
hashes = req.hashes(trust_internet=not require_hashes)
if require_hashes and not hashes:
# Known-good hashes are missing for this requirement, so
# shim it with a facade object that will provoke hash
# computation and then raise a HashMissing exception
# showing the user what the hash should be.
hashes = MissingHashes()
try:
download_dir = self.download_dir
# We always delete unpacked sdists after pip ran.
autodelete_unpacked = True
if req.link.is_wheel and self.wheel_download_dir:
# when doing 'pip wheel` we download wheels to a
# dedicated dir.
download_dir = self.wheel_download_dir
if req.link.is_wheel:
if download_dir:
# When downloading, we only unpack wheels to get
# metadata.
autodelete_unpacked = True
else:
# When installing a wheel, we use the unpacked
# wheel.
autodelete_unpacked = False
unpack_url(
req.link, req.source_dir,
download_dir, autodelete_unpacked,
session=session, hashes=hashes,
progress_bar=self.progress_bar
)
except requests.HTTPError as exc:
logger.critical(
'Could not install requirement %s because of error %s',
req,
exc,
)
raise InstallationError(
'Could not install requirement %s because of HTTP '
'error %s for URL %s' %
(req, exc, req.link)
)
abstract_dist = make_abstract_dist(req)
with self.req_tracker.track(req):
abstract_dist.prep_for_dist(finder, self.build_isolation)
if self._download_should_save:
# Make a .zip of the source_dir we already created.
if req.link.scheme in vcs.all_schemes:
req.archive(self.download_dir)
return abstract_dist
def prepare_editable_requirement(
self,
req, # type: InstallRequirement
require_hashes, # type: bool
use_user_site, # type: bool
finder # type: PackageFinder
):
# type: (...) -> DistAbstraction
"""Prepare an editable requirement
"""
assert req.editable, "cannot prepare a non-editable req as editable"
logger.info('Obtaining %s', req)
with indent_log():
if require_hashes:
raise InstallationError(
'The editable requirement %s cannot be installed when '
'requiring hashes, because there is no single file to '
'hash.' % req
)
req.ensure_has_source_dir(self.src_dir)
req.update_editable(not self._download_should_save)
abstract_dist = make_abstract_dist(req)
with self.req_tracker.track(req):
abstract_dist.prep_for_dist(finder, self.build_isolation)
if self._download_should_save:
req.archive(self.download_dir)
req.check_if_exists(use_user_site)
return abstract_dist
def prepare_installed_requirement(self, req, require_hashes, skip_reason):
# type: (InstallRequirement, bool, Optional[str]) -> DistAbstraction
"""Prepare an already-installed requirement
"""
assert req.satisfied_by, "req should have been satisfied but isn't"
assert skip_reason is not None, (
"did not get skip reason skipped but req.satisfied_by "
"is set to %r" % (req.satisfied_by,)
)
logger.info(
'Requirement %s: %s (%s)',
skip_reason, req, req.satisfied_by.version
)
with indent_log():
if require_hashes:
logger.debug(
'Since it is already installed, we are trusting this '
'package without checking its hash. To ensure a '
'completely repeatable environment, install into an '
'empty virtualenv.'
)
abstract_dist = Installed(req)
return abstract_dist

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"""Generate and work with PEP 425 Compatibility Tags."""
from __future__ import absolute_import
import distutils.util
import logging
import platform
import re
import sys
import sysconfig
import warnings
from collections import OrderedDict
import pip._internal.utils.glibc
from pip._internal.utils.compat import get_extension_suffixes
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
Tuple, Callable, List, Optional, Union, Dict
)
Pep425Tag = Tuple[str, str, str]
logger = logging.getLogger(__name__)
_osx_arch_pat = re.compile(r'(.+)_(\d+)_(\d+)_(.+)')
def get_config_var(var):
# type: (str) -> Optional[str]
try:
return sysconfig.get_config_var(var)
except IOError as e: # Issue #1074
warnings.warn("{}".format(e), RuntimeWarning)
return None
def get_abbr_impl():
# type: () -> str
"""Return abbreviated implementation name."""
if hasattr(sys, 'pypy_version_info'):
pyimpl = 'pp'
elif sys.platform.startswith('java'):
pyimpl = 'jy'
elif sys.platform == 'cli':
pyimpl = 'ip'
else:
pyimpl = 'cp'
return pyimpl
def get_impl_ver():
# type: () -> str
"""Return implementation version."""
impl_ver = get_config_var("py_version_nodot")
if not impl_ver or get_abbr_impl() == 'pp':
impl_ver = ''.join(map(str, get_impl_version_info()))
return impl_ver
def get_impl_version_info():
# type: () -> Tuple[int, ...]
"""Return sys.version_info-like tuple for use in decrementing the minor
version."""
if get_abbr_impl() == 'pp':
# as per https://github.com/pypa/pip/issues/2882
# attrs exist only on pypy
return (sys.version_info[0],
sys.pypy_version_info.major, # type: ignore
sys.pypy_version_info.minor) # type: ignore
else:
return sys.version_info[0], sys.version_info[1]
def get_impl_tag():
# type: () -> str
"""
Returns the Tag for this specific implementation.
"""
return "{}{}".format(get_abbr_impl(), get_impl_ver())
def get_flag(var, fallback, expected=True, warn=True):
# type: (str, Callable[..., bool], Union[bool, int], bool) -> bool
"""Use a fallback method for determining SOABI flags if the needed config
var is unset or unavailable."""
val = get_config_var(var)
if val is None:
if warn:
logger.debug("Config variable '%s' is unset, Python ABI tag may "
"be incorrect", var)
return fallback()
return val == expected
def get_abi_tag():
# type: () -> Optional[str]
"""Return the ABI tag based on SOABI (if available) or emulate SOABI
(CPython 2, PyPy)."""
soabi = get_config_var('SOABI')
impl = get_abbr_impl()
if not soabi and impl in {'cp', 'pp'} and hasattr(sys, 'maxunicode'):
d = ''
m = ''
u = ''
if get_flag('Py_DEBUG',
lambda: hasattr(sys, 'gettotalrefcount'),
warn=(impl == 'cp')):
d = 'd'
if get_flag('WITH_PYMALLOC',
lambda: impl == 'cp',
warn=(impl == 'cp')):
m = 'm'
if get_flag('Py_UNICODE_SIZE',
lambda: sys.maxunicode == 0x10ffff,
expected=4,
warn=(impl == 'cp' and
sys.version_info < (3, 3))) \
and sys.version_info < (3, 3):
u = 'u'
abi = '%s%s%s%s%s' % (impl, get_impl_ver(), d, m, u)
elif soabi and soabi.startswith('cpython-'):
abi = 'cp' + soabi.split('-')[1]
elif soabi:
abi = soabi.replace('.', '_').replace('-', '_')
else:
abi = None
return abi
def _is_running_32bit():
# type: () -> bool
return sys.maxsize == 2147483647
def get_platform():
# type: () -> str
"""Return our platform name 'win32', 'linux_x86_64'"""
if sys.platform == 'darwin':
# distutils.util.get_platform() returns the release based on the value
# of MACOSX_DEPLOYMENT_TARGET on which Python was built, which may
# be significantly older than the user's current machine.
release, _, machine = platform.mac_ver()
split_ver = release.split('.')
if machine == "x86_64" and _is_running_32bit():
machine = "i386"
elif machine == "ppc64" and _is_running_32bit():
machine = "ppc"
return 'macosx_{}_{}_{}'.format(split_ver[0], split_ver[1], machine)
# XXX remove distutils dependency
result = distutils.util.get_platform().replace('.', '_').replace('-', '_')
if result == "linux_x86_64" and _is_running_32bit():
# 32 bit Python program (running on a 64 bit Linux): pip should only
# install and run 32 bit compiled extensions in that case.
result = "linux_i686"
return result
def is_manylinux1_compatible():
# type: () -> bool
# Only Linux, and only x86-64 / i686
if get_platform() not in {"linux_x86_64", "linux_i686"}:
return False
# Check for presence of _manylinux module
try:
import _manylinux
return bool(_manylinux.manylinux1_compatible)
except (ImportError, AttributeError):
# Fall through to heuristic check below
pass
# Check glibc version. CentOS 5 uses glibc 2.5.
return pip._internal.utils.glibc.have_compatible_glibc(2, 5)
def is_manylinux2010_compatible():
# type: () -> bool
# Only Linux, and only x86-64 / i686
if get_platform() not in {"linux_x86_64", "linux_i686"}:
return False
# Check for presence of _manylinux module
try:
import _manylinux
return bool(_manylinux.manylinux2010_compatible)
except (ImportError, AttributeError):
# Fall through to heuristic check below
pass
# Check glibc version. CentOS 6 uses glibc 2.12.
return pip._internal.utils.glibc.have_compatible_glibc(2, 12)
def get_darwin_arches(major, minor, machine):
# type: (int, int, str) -> List[str]
"""Return a list of supported arches (including group arches) for
the given major, minor and machine architecture of an macOS machine.
"""
arches = []
def _supports_arch(major, minor, arch):
# type: (int, int, str) -> bool
# Looking at the application support for macOS versions in the chart
# provided by https://en.wikipedia.org/wiki/OS_X#Versions it appears
# our timeline looks roughly like:
#
# 10.0 - Introduces ppc support.
# 10.4 - Introduces ppc64, i386, and x86_64 support, however the ppc64
# and x86_64 support is CLI only, and cannot be used for GUI
# applications.
# 10.5 - Extends ppc64 and x86_64 support to cover GUI applications.
# 10.6 - Drops support for ppc64
# 10.7 - Drops support for ppc
#
# Given that we do not know if we're installing a CLI or a GUI
# application, we must be conservative and assume it might be a GUI
# application and behave as if ppc64 and x86_64 support did not occur
# until 10.5.
#
# Note: The above information is taken from the "Application support"
# column in the chart not the "Processor support" since I believe
# that we care about what instruction sets an application can use
# not which processors the OS supports.
if arch == 'ppc':
return (major, minor) <= (10, 5)
if arch == 'ppc64':
return (major, minor) == (10, 5)
if arch == 'i386':
return (major, minor) >= (10, 4)
if arch == 'x86_64':
return (major, minor) >= (10, 5)
if arch in groups:
for garch in groups[arch]:
if _supports_arch(major, minor, garch):
return True
return False
groups = OrderedDict([
("fat", ("i386", "ppc")),
("intel", ("x86_64", "i386")),
("fat64", ("x86_64", "ppc64")),
("fat32", ("x86_64", "i386", "ppc")),
]) # type: Dict[str, Tuple[str, ...]]
if _supports_arch(major, minor, machine):
arches.append(machine)
for garch in groups:
if machine in groups[garch] and _supports_arch(major, minor, garch):
arches.append(garch)
arches.append('universal')
return arches
def get_all_minor_versions_as_strings(version_info):
# type: (Tuple[int, ...]) -> List[str]
versions = []
major = version_info[:-1]
# Support all previous minor Python versions.
for minor in range(version_info[-1], -1, -1):
versions.append(''.join(map(str, major + (minor,))))
return versions
def get_supported(
versions=None, # type: Optional[List[str]]
noarch=False, # type: bool
platform=None, # type: Optional[str]
impl=None, # type: Optional[str]
abi=None # type: Optional[str]
):
# type: (...) -> List[Pep425Tag]
"""Return a list of supported tags for each version specified in
`versions`.
:param versions: a list of string versions, of the form ["33", "32"],
or None. The first version will be assumed to support our ABI.
:param platform: specify the exact platform you want valid
tags for, or None. If None, use the local system platform.
:param impl: specify the exact implementation you want valid
tags for, or None. If None, use the local interpreter impl.
:param abi: specify the exact abi you want valid
tags for, or None. If None, use the local interpreter abi.
"""
supported = []
# Versions must be given with respect to the preference
if versions is None:
version_info = get_impl_version_info()
versions = get_all_minor_versions_as_strings(version_info)
impl = impl or get_abbr_impl()
abis = [] # type: List[str]
abi = abi or get_abi_tag()
if abi:
abis[0:0] = [abi]
abi3s = set()
for suffix in get_extension_suffixes():
if suffix.startswith('.abi'):
abi3s.add(suffix.split('.', 2)[1])
abis.extend(sorted(list(abi3s)))
abis.append('none')
if not noarch:
arch = platform or get_platform()
arch_prefix, arch_sep, arch_suffix = arch.partition('_')
if arch.startswith('macosx'):
# support macosx-10.6-intel on macosx-10.9-x86_64
match = _osx_arch_pat.match(arch)
if match:
name, major, minor, actual_arch = match.groups()
tpl = '{}_{}_%i_%s'.format(name, major)
arches = []
for m in reversed(range(int(minor) + 1)):
for a in get_darwin_arches(int(major), m, actual_arch):
arches.append(tpl % (m, a))
else:
# arch pattern didn't match (?!)
arches = [arch]
elif arch_prefix == 'manylinux2010':
# manylinux1 wheels run on most manylinux2010 systems with the
# exception of wheels depending on ncurses. PEP 571 states
# manylinux1 wheels should be considered manylinux2010 wheels:
# https://www.python.org/dev/peps/pep-0571/#backwards-compatibility-with-manylinux1-wheels
arches = [arch, 'manylinux1' + arch_sep + arch_suffix]
elif platform is None:
arches = []
if is_manylinux2010_compatible():
arches.append('manylinux2010' + arch_sep + arch_suffix)
if is_manylinux1_compatible():
arches.append('manylinux1' + arch_sep + arch_suffix)
arches.append(arch)
else:
arches = [arch]
# Current version, current API (built specifically for our Python):
for abi in abis:
for arch in arches:
supported.append(('%s%s' % (impl, versions[0]), abi, arch))
# abi3 modules compatible with older version of Python
for version in versions[1:]:
# abi3 was introduced in Python 3.2
if version in {'31', '30'}:
break
for abi in abi3s: # empty set if not Python 3
for arch in arches:
supported.append(("%s%s" % (impl, version), abi, arch))
# Has binaries, does not use the Python API:
for arch in arches:
supported.append(('py%s' % (versions[0][0]), 'none', arch))
# No abi / arch, but requires our implementation:
supported.append(('%s%s' % (impl, versions[0]), 'none', 'any'))
# Tagged specifically as being cross-version compatible
# (with just the major version specified)
supported.append(('%s%s' % (impl, versions[0][0]), 'none', 'any'))
# No abi / arch, generic Python
for i, version in enumerate(versions):
supported.append(('py%s' % (version,), 'none', 'any'))
if i == 0:
supported.append(('py%s' % (version[0]), 'none', 'any'))
return supported
implementation_tag = get_impl_tag()

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from __future__ import absolute_import
import io
import os
import sys
from pip._vendor import pytoml, six
from pip._internal.exceptions import InstallationError
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Any, Tuple, Optional, List # noqa: F401
def _is_list_of_str(obj):
# type: (Any) -> bool
return (
isinstance(obj, list) and
all(isinstance(item, six.string_types) for item in obj)
)
def make_pyproject_path(setup_py_dir):
# type: (str) -> str
path = os.path.join(setup_py_dir, 'pyproject.toml')
# Python2 __file__ should not be unicode
if six.PY2 and isinstance(path, six.text_type):
path = path.encode(sys.getfilesystemencoding())
return path
def load_pyproject_toml(
use_pep517, # type: Optional[bool]
pyproject_toml, # type: str
setup_py, # type: str
req_name # type: str
):
# type: (...) -> Optional[Tuple[List[str], str, List[str]]]
"""Load the pyproject.toml file.
Parameters:
use_pep517 - Has the user requested PEP 517 processing? None
means the user hasn't explicitly specified.
pyproject_toml - Location of the project's pyproject.toml file
setup_py - Location of the project's setup.py file
req_name - The name of the requirement we're processing (for
error reporting)
Returns:
None if we should use the legacy code path, otherwise a tuple
(
requirements from pyproject.toml,
name of PEP 517 backend,
requirements we should check are installed after setting
up the build environment
)
"""
has_pyproject = os.path.isfile(pyproject_toml)
has_setup = os.path.isfile(setup_py)
if has_pyproject:
with io.open(pyproject_toml, encoding="utf-8") as f:
pp_toml = pytoml.load(f)
build_system = pp_toml.get("build-system")
else:
build_system = None
# The following cases must use PEP 517
# We check for use_pep517 being non-None and falsey because that means
# the user explicitly requested --no-use-pep517. The value 0 as
# opposed to False can occur when the value is provided via an
# environment variable or config file option (due to the quirk of
# strtobool() returning an integer in pip's configuration code).
if has_pyproject and not has_setup:
if use_pep517 is not None and not use_pep517:
raise InstallationError(
"Disabling PEP 517 processing is invalid: "
"project does not have a setup.py"
)
use_pep517 = True
elif build_system and "build-backend" in build_system:
if use_pep517 is not None and not use_pep517:
raise InstallationError(
"Disabling PEP 517 processing is invalid: "
"project specifies a build backend of {} "
"in pyproject.toml".format(
build_system["build-backend"]
)
)
use_pep517 = True
# If we haven't worked out whether to use PEP 517 yet,
# and the user hasn't explicitly stated a preference,
# we do so if the project has a pyproject.toml file.
elif use_pep517 is None:
use_pep517 = has_pyproject
# At this point, we know whether we're going to use PEP 517.
assert use_pep517 is not None
# If we're using the legacy code path, there is nothing further
# for us to do here.
if not use_pep517:
return None
if build_system is None:
# Either the user has a pyproject.toml with no build-system
# section, or the user has no pyproject.toml, but has opted in
# explicitly via --use-pep517.
# In the absence of any explicit backend specification, we
# assume the setuptools backend that most closely emulates the
# traditional direct setup.py execution, and require wheel and
# a version of setuptools that supports that backend.
build_system = {
"requires": ["setuptools>=40.8.0", "wheel"],
"build-backend": "setuptools.build_meta:__legacy__",
}
# If we're using PEP 517, we have build system information (either
# from pyproject.toml, or defaulted by the code above).
# Note that at this point, we do not know if the user has actually
# specified a backend, though.
assert build_system is not None
# Ensure that the build-system section in pyproject.toml conforms
# to PEP 518.
error_template = (
"{package} has a pyproject.toml file that does not comply "
"with PEP 518: {reason}"
)
# Specifying the build-system table but not the requires key is invalid
if "requires" not in build_system:
raise InstallationError(
error_template.format(package=req_name, reason=(
"it has a 'build-system' table but not "
"'build-system.requires' which is mandatory in the table"
))
)
# Error out if requires is not a list of strings
requires = build_system["requires"]
if not _is_list_of_str(requires):
raise InstallationError(error_template.format(
package=req_name,
reason="'build-system.requires' is not a list of strings.",
))
backend = build_system.get("build-backend")
check = [] # type: List[str]
if backend is None:
# If the user didn't specify a backend, we assume they want to use
# the setuptools backend. But we can't be sure they have included
# a version of setuptools which supplies the backend, or wheel
# (which is needed by the backend) in their requirements. So we
# make a note to check that those requirements are present once
# we have set up the environment.
# This is quite a lot of work to check for a very specific case. But
# the problem is, that case is potentially quite common - projects that
# adopted PEP 518 early for the ability to specify requirements to
# execute setup.py, but never considered needing to mention the build
# tools themselves. The original PEP 518 code had a similar check (but
# implemented in a different way).
backend = "setuptools.build_meta:__legacy__"
check = ["setuptools>=40.8.0", "wheel"]
return (requires, backend, check)

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from __future__ import absolute_import
import logging
from .req_install import InstallRequirement
from .req_set import RequirementSet
from .req_file import parse_requirements
from pip._internal.utils.logging import indent_log
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import List, Sequence # noqa: F401
__all__ = [
"RequirementSet", "InstallRequirement",
"parse_requirements", "install_given_reqs",
]
logger = logging.getLogger(__name__)
def install_given_reqs(
to_install, # type: List[InstallRequirement]
install_options, # type: List[str]
global_options=(), # type: Sequence[str]
*args, **kwargs
):
# type: (...) -> List[InstallRequirement]
"""
Install everything in the given list.
(to be called after having downloaded and unpacked the packages)
"""
if to_install:
logger.info(
'Installing collected packages: %s',
', '.join([req.name for req in to_install]),
)
with indent_log():
for requirement in to_install:
if requirement.conflicts_with:
logger.info(
'Found existing installation: %s',
requirement.conflicts_with,
)
with indent_log():
uninstalled_pathset = requirement.uninstall(
auto_confirm=True
)
try:
requirement.install(
install_options,
global_options,
*args,
**kwargs
)
except Exception:
should_rollback = (
requirement.conflicts_with and
not requirement.install_succeeded
)
# if install did not succeed, rollback previous uninstall
if should_rollback:
uninstalled_pathset.rollback()
raise
else:
should_commit = (
requirement.conflicts_with and
requirement.install_succeeded
)
if should_commit:
uninstalled_pathset.commit()
requirement.remove_temporary_source()
return to_install

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"""Backing implementation for InstallRequirement's various constructors
The idea here is that these formed a major chunk of InstallRequirement's size
so, moving them and support code dedicated to them outside of that class
helps creates for better understandability for the rest of the code.
These are meant to be used elsewhere within pip to create instances of
InstallRequirement.
"""
import logging
import os
import re
from pip._vendor.packaging.markers import Marker
from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
from pip._vendor.packaging.specifiers import Specifier
from pip._vendor.pkg_resources import RequirementParseError, parse_requirements
from pip._internal.download import (
is_archive_file, is_url, path_to_url, url_to_path,
)
from pip._internal.exceptions import InstallationError
from pip._internal.models.index import PyPI, TestPyPI
from pip._internal.models.link import Link
from pip._internal.pyproject import make_pyproject_path
from pip._internal.req.req_install import InstallRequirement
from pip._internal.utils.misc import is_installable_dir
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.vcs import vcs
from pip._internal.wheel import Wheel
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
Optional, Tuple, Set, Any, Union, Text, Dict,
)
from pip._internal.cache import WheelCache # noqa: F401
__all__ = [
"install_req_from_editable", "install_req_from_line",
"parse_editable"
]
logger = logging.getLogger(__name__)
operators = Specifier._operators.keys()
def _strip_extras(path):
# type: (str) -> Tuple[str, Optional[str]]
m = re.match(r'^(.+)(\[[^\]]+\])$', path)
extras = None
if m:
path_no_extras = m.group(1)
extras = m.group(2)
else:
path_no_extras = path
return path_no_extras, extras
def parse_editable(editable_req):
# type: (str) -> Tuple[Optional[str], str, Optional[Set[str]]]
"""Parses an editable requirement into:
- a requirement name
- an URL
- extras
- editable options
Accepted requirements:
svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir
.[some_extra]
"""
url = editable_req
# If a file path is specified with extras, strip off the extras.
url_no_extras, extras = _strip_extras(url)
if os.path.isdir(url_no_extras):
if not os.path.exists(os.path.join(url_no_extras, 'setup.py')):
msg = (
'File "setup.py" not found. Directory cannot be installed '
'in editable mode: {}'.format(os.path.abspath(url_no_extras))
)
pyproject_path = make_pyproject_path(url_no_extras)
if os.path.isfile(pyproject_path):
msg += (
'\n(A "pyproject.toml" file was found, but editable '
'mode currently requires a setup.py based build.)'
)
raise InstallationError(msg)
# Treating it as code that has already been checked out
url_no_extras = path_to_url(url_no_extras)
if url_no_extras.lower().startswith('file:'):
package_name = Link(url_no_extras).egg_fragment
if extras:
return (
package_name,
url_no_extras,
Requirement("placeholder" + extras.lower()).extras,
)
else:
return package_name, url_no_extras, None
for version_control in vcs:
if url.lower().startswith('%s:' % version_control):
url = '%s+%s' % (version_control, url)
break
if '+' not in url:
raise InstallationError(
'%s should either be a path to a local project or a VCS url '
'beginning with svn+, git+, hg+, or bzr+' %
editable_req
)
vc_type = url.split('+', 1)[0].lower()
if not vcs.get_backend(vc_type):
error_message = 'For --editable=%s only ' % editable_req + \
', '.join([backend.name + '+URL' for backend in vcs.backends]) + \
' is currently supported'
raise InstallationError(error_message)
package_name = Link(url).egg_fragment
if not package_name:
raise InstallationError(
"Could not detect requirement name for '%s', please specify one "
"with #egg=your_package_name" % editable_req
)
return package_name, url, None
def deduce_helpful_msg(req):
# type: (str) -> str
"""Returns helpful msg in case requirements file does not exist,
or cannot be parsed.
:params req: Requirements file path
"""
msg = ""
if os.path.exists(req):
msg = " It does exist."
# Try to parse and check if it is a requirements file.
try:
with open(req, 'r') as fp:
# parse first line only
next(parse_requirements(fp.read()))
msg += " The argument you provided " + \
"(%s) appears to be a" % (req) + \
" requirements file. If that is the" + \
" case, use the '-r' flag to install" + \
" the packages specified within it."
except RequirementParseError:
logger.debug("Cannot parse '%s' as requirements \
file" % (req), exc_info=True)
else:
msg += " File '%s' does not exist." % (req)
return msg
# ---- The actual constructors follow ----
def install_req_from_editable(
editable_req, # type: str
comes_from=None, # type: Optional[str]
use_pep517=None, # type: Optional[bool]
isolated=False, # type: bool
options=None, # type: Optional[Dict[str, Any]]
wheel_cache=None, # type: Optional[WheelCache]
constraint=False # type: bool
):
# type: (...) -> InstallRequirement
name, url, extras_override = parse_editable(editable_req)
if url.startswith('file:'):
source_dir = url_to_path(url)
else:
source_dir = None
if name is not None:
try:
req = Requirement(name)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % name)
else:
req = None
return InstallRequirement(
req, comes_from, source_dir=source_dir,
editable=True,
link=Link(url),
constraint=constraint,
use_pep517=use_pep517,
isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
extras=extras_override or (),
)
def install_req_from_line(
name, # type: str
comes_from=None, # type: Optional[Union[str, InstallRequirement]]
use_pep517=None, # type: Optional[bool]
isolated=False, # type: bool
options=None, # type: Optional[Dict[str, Any]]
wheel_cache=None, # type: Optional[WheelCache]
constraint=False # type: bool
):
# type: (...) -> InstallRequirement
"""Creates an InstallRequirement from a name, which might be a
requirement, directory containing 'setup.py', filename, or URL.
"""
if is_url(name):
marker_sep = '; '
else:
marker_sep = ';'
if marker_sep in name:
name, markers_as_string = name.split(marker_sep, 1)
markers_as_string = markers_as_string.strip()
if not markers_as_string:
markers = None
else:
markers = Marker(markers_as_string)
else:
markers = None
name = name.strip()
req_as_string = None
path = os.path.normpath(os.path.abspath(name))
link = None
extras_as_string = None
if is_url(name):
link = Link(name)
else:
p, extras_as_string = _strip_extras(path)
looks_like_dir = os.path.isdir(p) and (
os.path.sep in name or
(os.path.altsep is not None and os.path.altsep in name) or
name.startswith('.')
)
if looks_like_dir:
if not is_installable_dir(p):
raise InstallationError(
"Directory %r is not installable. Neither 'setup.py' "
"nor 'pyproject.toml' found." % name
)
link = Link(path_to_url(p))
elif is_archive_file(p):
if not os.path.isfile(p):
logger.warning(
'Requirement %r looks like a filename, but the '
'file does not exist',
name
)
link = Link(path_to_url(p))
# it's a local file, dir, or url
if link:
# Handle relative file URLs
if link.scheme == 'file' and re.search(r'\.\./', link.url):
link = Link(
path_to_url(os.path.normpath(os.path.abspath(link.path))))
# wheel file
if link.is_wheel:
wheel = Wheel(link.filename) # can raise InvalidWheelFilename
req_as_string = "%s==%s" % (wheel.name, wheel.version)
else:
# set the req to the egg fragment. when it's not there, this
# will become an 'unnamed' requirement
req_as_string = link.egg_fragment
# a requirement specifier
else:
req_as_string = name
if extras_as_string:
extras = Requirement("placeholder" + extras_as_string.lower()).extras
else:
extras = ()
if req_as_string is not None:
try:
req = Requirement(req_as_string)
except InvalidRequirement:
if os.path.sep in req_as_string:
add_msg = "It looks like a path."
add_msg += deduce_helpful_msg(req_as_string)
elif ('=' in req_as_string and
not any(op in req_as_string for op in operators)):
add_msg = "= is not a valid operator. Did you mean == ?"
else:
add_msg = ""
raise InstallationError(
"Invalid requirement: '%s'\n%s" % (req_as_string, add_msg)
)
else:
req = None
return InstallRequirement(
req, comes_from, link=link, markers=markers,
use_pep517=use_pep517, isolated=isolated,
options=options if options else {},
wheel_cache=wheel_cache,
constraint=constraint,
extras=extras,
)
def install_req_from_req_string(
req_string, # type: str
comes_from=None, # type: Optional[InstallRequirement]
isolated=False, # type: bool
wheel_cache=None, # type: Optional[WheelCache]
use_pep517=None # type: Optional[bool]
):
# type: (...) -> InstallRequirement
try:
req = Requirement(req_string)
except InvalidRequirement:
raise InstallationError("Invalid requirement: '%s'" % req)
domains_not_allowed = [
PyPI.file_storage_domain,
TestPyPI.file_storage_domain,
]
if req.url and comes_from.link.netloc in domains_not_allowed:
# Explicitly disallow pypi packages that depend on external urls
raise InstallationError(
"Packages installed from PyPI cannot depend on packages "
"which are not also hosted on PyPI.\n"
"%s depends on %s " % (comes_from.name, req)
)
return InstallRequirement(
req, comes_from, isolated=isolated, wheel_cache=wheel_cache,
use_pep517=use_pep517
)

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"""
Requirements file parsing
"""
from __future__ import absolute_import
import optparse
import os
import re
import shlex
import sys
from pip._vendor.six.moves import filterfalse
from pip._vendor.six.moves.urllib import parse as urllib_parse
from pip._internal.cli import cmdoptions
from pip._internal.download import get_file_content
from pip._internal.exceptions import RequirementsFileParseError
from pip._internal.req.constructors import (
install_req_from_editable, install_req_from_line,
)
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
Iterator, Tuple, Optional, List, Callable, Text
)
from pip._internal.req import InstallRequirement # noqa: F401
from pip._internal.cache import WheelCache # noqa: F401
from pip._internal.index import PackageFinder # noqa: F401
from pip._internal.download import PipSession # noqa: F401
ReqFileLines = Iterator[Tuple[int, Text]]
__all__ = ['parse_requirements']
SCHEME_RE = re.compile(r'^(http|https|file):', re.I)
COMMENT_RE = re.compile(r'(^|\s)+#.*$')
# Matches environment variable-style values in '${MY_VARIABLE_1}' with the
# variable name consisting of only uppercase letters, digits or the '_'
# (underscore). This follows the POSIX standard defined in IEEE Std 1003.1,
# 2013 Edition.
ENV_VAR_RE = re.compile(r'(?P<var>\$\{(?P<name>[A-Z0-9_]+)\})')
SUPPORTED_OPTIONS = [
cmdoptions.constraints,
cmdoptions.editable,
cmdoptions.requirements,
cmdoptions.no_index,
cmdoptions.index_url,
cmdoptions.find_links,
cmdoptions.extra_index_url,
cmdoptions.always_unzip,
cmdoptions.no_binary,
cmdoptions.only_binary,
cmdoptions.pre,
cmdoptions.trusted_host,
cmdoptions.require_hashes,
] # type: List[Callable[..., optparse.Option]]
# options to be passed to requirements
SUPPORTED_OPTIONS_REQ = [
cmdoptions.install_options,
cmdoptions.global_options,
cmdoptions.hash,
] # type: List[Callable[..., optparse.Option]]
# the 'dest' string values
SUPPORTED_OPTIONS_REQ_DEST = [str(o().dest) for o in SUPPORTED_OPTIONS_REQ]
def parse_requirements(
filename, # type: str
finder=None, # type: Optional[PackageFinder]
comes_from=None, # type: Optional[str]
options=None, # type: Optional[optparse.Values]
session=None, # type: Optional[PipSession]
constraint=False, # type: bool
wheel_cache=None, # type: Optional[WheelCache]
use_pep517=None # type: Optional[bool]
):
# type: (...) -> Iterator[InstallRequirement]
"""Parse a requirements file and yield InstallRequirement instances.
:param filename: Path or url of requirements file.
:param finder: Instance of pip.index.PackageFinder.
:param comes_from: Origin description of requirements.
:param options: cli options.
:param session: Instance of pip.download.PipSession.
:param constraint: If true, parsing a constraint file rather than
requirements file.
:param wheel_cache: Instance of pip.wheel.WheelCache
:param use_pep517: Value of the --use-pep517 option.
"""
if session is None:
raise TypeError(
"parse_requirements() missing 1 required keyword argument: "
"'session'"
)
_, content = get_file_content(
filename, comes_from=comes_from, session=session
)
lines_enum = preprocess(content, options)
for line_number, line in lines_enum:
req_iter = process_line(line, filename, line_number, finder,
comes_from, options, session, wheel_cache,
use_pep517=use_pep517, constraint=constraint)
for req in req_iter:
yield req
def preprocess(content, options):
# type: (Text, Optional[optparse.Values]) -> ReqFileLines
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1) # type: ReqFileLines
lines_enum = join_lines(lines_enum)
lines_enum = ignore_comments(lines_enum)
lines_enum = skip_regex(lines_enum, options)
lines_enum = expand_env_variables(lines_enum)
return lines_enum
def process_line(
line, # type: Text
filename, # type: str
line_number, # type: int
finder=None, # type: Optional[PackageFinder]
comes_from=None, # type: Optional[str]
options=None, # type: Optional[optparse.Values]
session=None, # type: Optional[PipSession]
wheel_cache=None, # type: Optional[WheelCache]
use_pep517=None, # type: Optional[bool]
constraint=False # type: bool
):
# type: (...) -> Iterator[InstallRequirement]
"""Process a single requirements line; This can result in creating/yielding
requirements, or updating the finder.
For lines that contain requirements, the only options that have an effect
are from SUPPORTED_OPTIONS_REQ, and they are scoped to the
requirement. Other options from SUPPORTED_OPTIONS may be present, but are
ignored.
For lines that do not contain requirements, the only options that have an
effect are from SUPPORTED_OPTIONS. Options from SUPPORTED_OPTIONS_REQ may
be present, but are ignored. These lines may contain multiple options
(although our docs imply only one is supported), and all our parsed and
affect the finder.
:param constraint: If True, parsing a constraints file.
:param options: OptionParser options that we may update
"""
parser = build_parser(line)
defaults = parser.get_default_values()
defaults.index_url = None
if finder:
defaults.format_control = finder.format_control
args_str, options_str = break_args_options(line)
# Prior to 2.7.3, shlex cannot deal with unicode entries
if sys.version_info < (2, 7, 3):
# https://github.com/python/mypy/issues/1174
options_str = options_str.encode('utf8') # type: ignore
# https://github.com/python/mypy/issues/1174
opts, _ = parser.parse_args(
shlex.split(options_str), defaults) # type: ignore
# preserve for the nested code path
line_comes_from = '%s %s (line %s)' % (
'-c' if constraint else '-r', filename, line_number,
)
# yield a line requirement
if args_str:
isolated = options.isolated_mode if options else False
if options:
cmdoptions.check_install_build_global(options, opts)
# get the options that apply to requirements
req_options = {}
for dest in SUPPORTED_OPTIONS_REQ_DEST:
if dest in opts.__dict__ and opts.__dict__[dest]:
req_options[dest] = opts.__dict__[dest]
yield install_req_from_line(
args_str, line_comes_from, constraint=constraint,
use_pep517=use_pep517,
isolated=isolated, options=req_options, wheel_cache=wheel_cache
)
# yield an editable requirement
elif opts.editables:
isolated = options.isolated_mode if options else False
yield install_req_from_editable(
opts.editables[0], comes_from=line_comes_from,
use_pep517=use_pep517,
constraint=constraint, isolated=isolated, wheel_cache=wheel_cache
)
# parse a nested requirements file
elif opts.requirements or opts.constraints:
if opts.requirements:
req_path = opts.requirements[0]
nested_constraint = False
else:
req_path = opts.constraints[0]
nested_constraint = True
# original file is over http
if SCHEME_RE.search(filename):
# do a url join so relative paths work
req_path = urllib_parse.urljoin(filename, req_path)
# original file and nested file are paths
elif not SCHEME_RE.search(req_path):
# do a join so relative paths work
req_path = os.path.join(os.path.dirname(filename), req_path)
# TODO: Why not use `comes_from='-r {} (line {})'` here as well?
parsed_reqs = parse_requirements(
req_path, finder, comes_from, options, session,
constraint=nested_constraint, wheel_cache=wheel_cache
)
for req in parsed_reqs:
yield req
# percolate hash-checking option upward
elif opts.require_hashes:
options.require_hashes = opts.require_hashes
# set finder options
elif finder:
if opts.index_url:
finder.index_urls = [opts.index_url]
if opts.no_index is True:
finder.index_urls = []
if opts.extra_index_urls:
finder.index_urls.extend(opts.extra_index_urls)
if opts.find_links:
# FIXME: it would be nice to keep track of the source
# of the find_links: support a find-links local path
# relative to a requirements file.
value = opts.find_links[0]
req_dir = os.path.dirname(os.path.abspath(filename))
relative_to_reqs_file = os.path.join(req_dir, value)
if os.path.exists(relative_to_reqs_file):
value = relative_to_reqs_file
finder.find_links.append(value)
if opts.pre:
finder.allow_all_prereleases = True
if opts.trusted_hosts:
finder.secure_origins.extend(
("*", host, "*") for host in opts.trusted_hosts)
def break_args_options(line):
# type: (Text) -> Tuple[str, Text]
"""Break up the line into an args and options string. We only want to shlex
(and then optparse) the options, not the args. args can contain markers
which are corrupted by shlex.
"""
tokens = line.split(' ')
args = []
options = tokens[:]
for token in tokens:
if token.startswith('-') or token.startswith('--'):
break
else:
args.append(token)
options.pop(0)
return ' '.join(args), ' '.join(options) # type: ignore
def build_parser(line):
# type: (Text) -> optparse.OptionParser
"""
Return a parser for parsing requirement lines
"""
parser = optparse.OptionParser(add_help_option=False)
option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ
for option_factory in option_factories:
option = option_factory()
parser.add_option(option)
# By default optparse sys.exits on parsing errors. We want to wrap
# that in our own exception.
def parser_exit(self, msg):
# add offending line
msg = 'Invalid requirement: %s\n%s' % (line, msg)
raise RequirementsFileParseError(msg)
# NOTE: mypy disallows assigning to a method
# https://github.com/python/mypy/issues/2427
parser.exit = parser_exit # type: ignore
return parser
def join_lines(lines_enum):
# type: (ReqFileLines) -> ReqFileLines
"""Joins a line ending in '\' with the previous line (except when following
comments). The joined line takes on the index of the first line.
"""
primary_line_number = None
new_line = [] # type: List[Text]
for line_number, line in lines_enum:
if not line.endswith('\\') or COMMENT_RE.match(line):
if COMMENT_RE.match(line):
# this ensures comments are always matched later
line = ' ' + line
if new_line:
new_line.append(line)
yield primary_line_number, ''.join(new_line)
new_line = []
else:
yield line_number, line
else:
if not new_line:
primary_line_number = line_number
new_line.append(line.strip('\\'))
# last line contains \
if new_line:
yield primary_line_number, ''.join(new_line)
# TODO: handle space after '\'.
def ignore_comments(lines_enum):
# type: (ReqFileLines) -> ReqFileLines
"""
Strips comments and filter empty lines.
"""
for line_number, line in lines_enum:
line = COMMENT_RE.sub('', line)
line = line.strip()
if line:
yield line_number, line
def skip_regex(lines_enum, options):
# type: (ReqFileLines, Optional[optparse.Values]) -> ReqFileLines
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex:
pattern = re.compile(skip_regex)
lines_enum = filterfalse(lambda e: pattern.search(e[1]), lines_enum)
return lines_enum
def expand_env_variables(lines_enum):
# type: (ReqFileLines) -> ReqFileLines
"""Replace all environment variables that can be retrieved via `os.getenv`.
The only allowed format for environment variables defined in the
requirement file is `${MY_VARIABLE_1}` to ensure two things:
1. Strings that contain a `$` aren't accidentally (partially) expanded.
2. Ensure consistency across platforms for requirement files.
These points are the result of a discusssion on the `github pull
request #3514 <https://github.com/pypa/pip/pull/3514>`_.
Valid characters in variable names follow the `POSIX standard
<http://pubs.opengroup.org/onlinepubs/9699919799/>`_ and are limited
to uppercase letter, digits and the `_` (underscore).
"""
for line_number, line in lines_enum:
for env_var, var_name in ENV_VAR_RE.findall(line):
value = os.getenv(var_name)
if not value:
continue
line = line.replace(env_var, value)
yield line_number, line

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from __future__ import absolute_import
import logging
from collections import OrderedDict
from pip._internal.exceptions import InstallationError
from pip._internal.utils.logging import indent_log
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
from pip._internal.wheel import Wheel
if MYPY_CHECK_RUNNING:
from typing import Optional, List, Tuple, Dict, Iterable # noqa: F401
from pip._internal.req.req_install import InstallRequirement # noqa: F401
logger = logging.getLogger(__name__)
class RequirementSet(object):
def __init__(self, require_hashes=False, check_supported_wheels=True):
# type: (bool, bool) -> None
"""Create a RequirementSet.
"""
self.requirements = OrderedDict() # type: Dict[str, InstallRequirement] # noqa: E501
self.require_hashes = require_hashes
self.check_supported_wheels = check_supported_wheels
# Mapping of alias: real_name
self.requirement_aliases = {} # type: Dict[str, str]
self.unnamed_requirements = [] # type: List[InstallRequirement]
self.successfully_downloaded = [] # type: List[InstallRequirement]
self.reqs_to_cleanup = [] # type: List[InstallRequirement]
def __str__(self):
reqs = [req for req in self.requirements.values()
if not req.comes_from]
reqs.sort(key=lambda req: req.name.lower())
return ' '.join([str(req.req) for req in reqs])
def __repr__(self):
reqs = [req for req in self.requirements.values()]
reqs.sort(key=lambda req: req.name.lower())
reqs_str = ', '.join([str(req.req) for req in reqs])
return ('<%s object; %d requirement(s): %s>'
% (self.__class__.__name__, len(reqs), reqs_str))
def add_requirement(
self,
install_req, # type: InstallRequirement
parent_req_name=None, # type: Optional[str]
extras_requested=None # type: Optional[Iterable[str]]
):
# type: (...) -> Tuple[List[InstallRequirement], Optional[InstallRequirement]] # noqa: E501
"""Add install_req as a requirement to install.
:param parent_req_name: The name of the requirement that needed this
added. The name is used because when multiple unnamed requirements
resolve to the same name, we could otherwise end up with dependency
links that point outside the Requirements set. parent_req must
already be added. Note that None implies that this is a user
supplied requirement, vs an inferred one.
:param extras_requested: an iterable of extras used to evaluate the
environment markers.
:return: Additional requirements to scan. That is either [] if
the requirement is not applicable, or [install_req] if the
requirement is applicable and has just been added.
"""
name = install_req.name
# If the markers do not match, ignore this requirement.
if not install_req.match_markers(extras_requested):
logger.info(
"Ignoring %s: markers '%s' don't match your environment",
name, install_req.markers,
)
return [], None
# If the wheel is not supported, raise an error.
# Should check this after filtering out based on environment markers to
# allow specifying different wheels based on the environment/OS, in a
# single requirements file.
if install_req.link and install_req.link.is_wheel:
wheel = Wheel(install_req.link.filename)
if self.check_supported_wheels and not wheel.supported():
raise InstallationError(
"%s is not a supported wheel on this platform." %
wheel.filename
)
# This next bit is really a sanity check.
assert install_req.is_direct == (parent_req_name is None), (
"a direct req shouldn't have a parent and also, "
"a non direct req should have a parent"
)
# Unnamed requirements are scanned again and the requirement won't be
# added as a dependency until after scanning.
if not name:
# url or path requirement w/o an egg fragment
self.unnamed_requirements.append(install_req)
return [install_req], None
try:
existing_req = self.get_requirement(name)
except KeyError:
existing_req = None
has_conflicting_requirement = (
parent_req_name is None and
existing_req and
not existing_req.constraint and
existing_req.extras == install_req.extras and
existing_req.req.specifier != install_req.req.specifier
)
if has_conflicting_requirement:
raise InstallationError(
"Double requirement given: %s (already in %s, name=%r)"
% (install_req, existing_req, name)
)
# When no existing requirement exists, add the requirement as a
# dependency and it will be scanned again after.
if not existing_req:
self.requirements[name] = install_req
# FIXME: what about other normalizations? E.g., _ vs. -?
if name.lower() != name:
self.requirement_aliases[name.lower()] = name
# We'd want to rescan this requirements later
return [install_req], install_req
# Assume there's no need to scan, and that we've already
# encountered this for scanning.
if install_req.constraint or not existing_req.constraint:
return [], existing_req
does_not_satisfy_constraint = (
install_req.link and
not (
existing_req.link and
install_req.link.path == existing_req.link.path
)
)
if does_not_satisfy_constraint:
self.reqs_to_cleanup.append(install_req)
raise InstallationError(
"Could not satisfy constraints for '%s': "
"installation from path or url cannot be "
"constrained to a version" % name,
)
# If we're now installing a constraint, mark the existing
# object for real installation.
existing_req.constraint = False
existing_req.extras = tuple(sorted(
set(existing_req.extras) | set(install_req.extras)
))
logger.debug(
"Setting %s extras to: %s",
existing_req, existing_req.extras,
)
# Return the existing requirement for addition to the parent and
# scanning again.
return [existing_req], existing_req
def has_requirement(self, project_name):
# type: (str) -> bool
name = project_name.lower()
if (name in self.requirements and
not self.requirements[name].constraint or
name in self.requirement_aliases and
not self.requirements[self.requirement_aliases[name]].constraint):
return True
return False
@property
def has_requirements(self):
# type: () -> List[InstallRequirement]
return list(req for req in self.requirements.values() if not
req.constraint) or self.unnamed_requirements
def get_requirement(self, project_name):
# type: (str) -> InstallRequirement
for name in project_name, project_name.lower():
if name in self.requirements:
return self.requirements[name]
if name in self.requirement_aliases:
return self.requirements[self.requirement_aliases[name]]
raise KeyError("No project with the name %r" % project_name)
def cleanup_files(self):
# type: () -> None
"""Clean up files, remove builds."""
logger.debug('Cleaning up...')
with indent_log():
for req in self.reqs_to_cleanup:
req.remove_temporary_source()

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from __future__ import absolute_import
import contextlib
import errno
import hashlib
import logging
import os
from pip._internal.utils.temp_dir import TempDirectory
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Set, Iterator # noqa: F401
from pip._internal.req.req_install import InstallRequirement # noqa: F401
from pip._internal.models.link import Link # noqa: F401
logger = logging.getLogger(__name__)
class RequirementTracker(object):
def __init__(self):
# type: () -> None
self._root = os.environ.get('PIP_REQ_TRACKER')
if self._root is None:
self._temp_dir = TempDirectory(delete=False, kind='req-tracker')
self._temp_dir.create()
self._root = os.environ['PIP_REQ_TRACKER'] = self._temp_dir.path
logger.debug('Created requirements tracker %r', self._root)
else:
self._temp_dir = None
logger.debug('Re-using requirements tracker %r', self._root)
self._entries = set() # type: Set[InstallRequirement]
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.cleanup()
def _entry_path(self, link):
# type: (Link) -> str
hashed = hashlib.sha224(link.url_without_fragment.encode()).hexdigest()
return os.path.join(self._root, hashed)
def add(self, req):
# type: (InstallRequirement) -> None
link = req.link
info = str(req)
entry_path = self._entry_path(link)
try:
with open(entry_path) as fp:
# Error, these's already a build in progress.
raise LookupError('%s is already being built: %s'
% (link, fp.read()))
except IOError as e:
if e.errno != errno.ENOENT:
raise
assert req not in self._entries
with open(entry_path, 'w') as fp:
fp.write(info)
self._entries.add(req)
logger.debug('Added %s to build tracker %r', req, self._root)
def remove(self, req):
# type: (InstallRequirement) -> None
link = req.link
self._entries.remove(req)
os.unlink(self._entry_path(link))
logger.debug('Removed %s from build tracker %r', req, self._root)
def cleanup(self):
# type: () -> None
for req in set(self._entries):
self.remove(req)
remove = self._temp_dir is not None
if remove:
self._temp_dir.cleanup()
logger.debug('%s build tracker %r',
'Removed' if remove else 'Cleaned',
self._root)
@contextlib.contextmanager
def track(self, req):
# type: (InstallRequirement) -> Iterator[None]
self.add(req)
yield
self.remove(req)

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from __future__ import absolute_import
import csv
import functools
import logging
import os
import sys
import sysconfig
from pip._vendor import pkg_resources
from pip._internal.exceptions import UninstallationError
from pip._internal.locations import bin_py, bin_user
from pip._internal.utils.compat import WINDOWS, cache_from_source, uses_pycache
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import (
FakeFile, ask, dist_in_usersite, dist_is_local, egg_link_path, is_local,
normalize_path, renames, rmtree,
)
from pip._internal.utils.temp_dir import AdjacentTempDirectory, TempDirectory
logger = logging.getLogger(__name__)
def _script_names(dist, script_name, is_gui):
"""Create the fully qualified name of the files created by
{console,gui}_scripts for the given ``dist``.
Returns the list of file names
"""
if dist_in_usersite(dist):
bin_dir = bin_user
else:
bin_dir = bin_py
exe_name = os.path.join(bin_dir, script_name)
paths_to_remove = [exe_name]
if WINDOWS:
paths_to_remove.append(exe_name + '.exe')
paths_to_remove.append(exe_name + '.exe.manifest')
if is_gui:
paths_to_remove.append(exe_name + '-script.pyw')
else:
paths_to_remove.append(exe_name + '-script.py')
return paths_to_remove
def _unique(fn):
@functools.wraps(fn)
def unique(*args, **kw):
seen = set()
for item in fn(*args, **kw):
if item not in seen:
seen.add(item)
yield item
return unique
@_unique
def uninstallation_paths(dist):
"""
Yield all the uninstallation paths for dist based on RECORD-without-.py[co]
Yield paths to all the files in RECORD. For each .py file in RECORD, add
the .pyc and .pyo in the same directory.
UninstallPathSet.add() takes care of the __pycache__ .py[co].
"""
r = csv.reader(FakeFile(dist.get_metadata_lines('RECORD')))
for row in r:
path = os.path.join(dist.location, row[0])
yield path
if path.endswith('.py'):
dn, fn = os.path.split(path)
base = fn[:-3]
path = os.path.join(dn, base + '.pyc')
yield path
path = os.path.join(dn, base + '.pyo')
yield path
def compact(paths):
"""Compact a path set to contain the minimal number of paths
necessary to contain all paths in the set. If /a/path/ and
/a/path/to/a/file.txt are both in the set, leave only the
shorter path."""
sep = os.path.sep
short_paths = set()
for path in sorted(paths, key=len):
should_skip = any(
path.startswith(shortpath.rstrip("*")) and
path[len(shortpath.rstrip("*").rstrip(sep))] == sep
for shortpath in short_paths
)
if not should_skip:
short_paths.add(path)
return short_paths
def compress_for_rename(paths):
"""Returns a set containing the paths that need to be renamed.
This set may include directories when the original sequence of paths
included every file on disk.
"""
case_map = dict((os.path.normcase(p), p) for p in paths)
remaining = set(case_map)
unchecked = sorted(set(os.path.split(p)[0]
for p in case_map.values()), key=len)
wildcards = set()
def norm_join(*a):
return os.path.normcase(os.path.join(*a))
for root in unchecked:
if any(os.path.normcase(root).startswith(w)
for w in wildcards):
# This directory has already been handled.
continue
all_files = set()
all_subdirs = set()
for dirname, subdirs, files in os.walk(root):
all_subdirs.update(norm_join(root, dirname, d)
for d in subdirs)
all_files.update(norm_join(root, dirname, f)
for f in files)
# If all the files we found are in our remaining set of files to
# remove, then remove them from the latter set and add a wildcard
# for the directory.
if not (all_files - remaining):
remaining.difference_update(all_files)
wildcards.add(root + os.sep)
return set(map(case_map.__getitem__, remaining)) | wildcards
def compress_for_output_listing(paths):
"""Returns a tuple of 2 sets of which paths to display to user
The first set contains paths that would be deleted. Files of a package
are not added and the top-level directory of the package has a '*' added
at the end - to signify that all it's contents are removed.
The second set contains files that would have been skipped in the above
folders.
"""
will_remove = list(paths)
will_skip = set()
# Determine folders and files
folders = set()
files = set()
for path in will_remove:
if path.endswith(".pyc"):
continue
if path.endswith("__init__.py") or ".dist-info" in path:
folders.add(os.path.dirname(path))
files.add(path)
_normcased_files = set(map(os.path.normcase, files))
folders = compact(folders)
# This walks the tree using os.walk to not miss extra folders
# that might get added.
for folder in folders:
for dirpath, _, dirfiles in os.walk(folder):
for fname in dirfiles:
if fname.endswith(".pyc"):
continue
file_ = os.path.join(dirpath, fname)
if (os.path.isfile(file_) and
os.path.normcase(file_) not in _normcased_files):
# We are skipping this file. Add it to the set.
will_skip.add(file_)
will_remove = files | {
os.path.join(folder, "*") for folder in folders
}
return will_remove, will_skip
class StashedUninstallPathSet(object):
"""A set of file rename operations to stash files while
tentatively uninstalling them."""
def __init__(self):
# Mapping from source file root to [Adjacent]TempDirectory
# for files under that directory.
self._save_dirs = {}
# (old path, new path) tuples for each move that may need
# to be undone.
self._moves = []
def _get_directory_stash(self, path):
"""Stashes a directory.
Directories are stashed adjacent to their original location if
possible, or else moved/copied into the user's temp dir."""
try:
save_dir = AdjacentTempDirectory(path)
save_dir.create()
except OSError:
save_dir = TempDirectory(kind="uninstall")
save_dir.create()
self._save_dirs[os.path.normcase(path)] = save_dir
return save_dir.path
def _get_file_stash(self, path):
"""Stashes a file.
If no root has been provided, one will be created for the directory
in the user's temp directory."""
path = os.path.normcase(path)
head, old_head = os.path.dirname(path), None
save_dir = None
while head != old_head:
try:
save_dir = self._save_dirs[head]
break
except KeyError:
pass
head, old_head = os.path.dirname(head), head
else:
# Did not find any suitable root
head = os.path.dirname(path)
save_dir = TempDirectory(kind='uninstall')
save_dir.create()
self._save_dirs[head] = save_dir
relpath = os.path.relpath(path, head)
if relpath and relpath != os.path.curdir:
return os.path.join(save_dir.path, relpath)
return save_dir.path
def stash(self, path):
"""Stashes the directory or file and returns its new location.
"""
if os.path.isdir(path):
new_path = self._get_directory_stash(path)
else:
new_path = self._get_file_stash(path)
self._moves.append((path, new_path))
if os.path.isdir(path) and os.path.isdir(new_path):
# If we're moving a directory, we need to
# remove the destination first or else it will be
# moved to inside the existing directory.
# We just created new_path ourselves, so it will
# be removable.
os.rmdir(new_path)
renames(path, new_path)
return new_path
def commit(self):
"""Commits the uninstall by removing stashed files."""
for _, save_dir in self._save_dirs.items():
save_dir.cleanup()
self._moves = []
self._save_dirs = {}
def rollback(self):
"""Undoes the uninstall by moving stashed files back."""
for p in self._moves:
logging.info("Moving to %s\n from %s", *p)
for new_path, path in self._moves:
try:
logger.debug('Replacing %s from %s', new_path, path)
if os.path.isfile(new_path):
os.unlink(new_path)
elif os.path.isdir(new_path):
rmtree(new_path)
renames(path, new_path)
except OSError as ex:
logger.error("Failed to restore %s", new_path)
logger.debug("Exception: %s", ex)
self.commit()
@property
def can_rollback(self):
return bool(self._moves)
class UninstallPathSet(object):
"""A set of file paths to be removed in the uninstallation of a
requirement."""
def __init__(self, dist):
self.paths = set()
self._refuse = set()
self.pth = {}
self.dist = dist
self._moved_paths = StashedUninstallPathSet()
def _permitted(self, path):
"""
Return True if the given path is one we are permitted to
remove/modify, False otherwise.
"""
return is_local(path)
def add(self, path):
head, tail = os.path.split(path)
# we normalize the head to resolve parent directory symlinks, but not
# the tail, since we only want to uninstall symlinks, not their targets
path = os.path.join(normalize_path(head), os.path.normcase(tail))
if not os.path.exists(path):
return
if self._permitted(path):
self.paths.add(path)
else:
self._refuse.add(path)
# __pycache__ files can show up after 'installed-files.txt' is created,
# due to imports
if os.path.splitext(path)[1] == '.py' and uses_pycache:
self.add(cache_from_source(path))
def add_pth(self, pth_file, entry):
pth_file = normalize_path(pth_file)
if self._permitted(pth_file):
if pth_file not in self.pth:
self.pth[pth_file] = UninstallPthEntries(pth_file)
self.pth[pth_file].add(entry)
else:
self._refuse.add(pth_file)
def remove(self, auto_confirm=False, verbose=False):
"""Remove paths in ``self.paths`` with confirmation (unless
``auto_confirm`` is True)."""
if not self.paths:
logger.info(
"Can't uninstall '%s'. No files were found to uninstall.",
self.dist.project_name,
)
return
dist_name_version = (
self.dist.project_name + "-" + self.dist.version
)
logger.info('Uninstalling %s:', dist_name_version)
with indent_log():
if auto_confirm or self._allowed_to_proceed(verbose):
moved = self._moved_paths
for_rename = compress_for_rename(self.paths)
for path in sorted(compact(for_rename)):
moved.stash(path)
logger.debug('Removing file or directory %s', path)
for pth in self.pth.values():
pth.remove()
logger.info('Successfully uninstalled %s', dist_name_version)
def _allowed_to_proceed(self, verbose):
"""Display which files would be deleted and prompt for confirmation
"""
def _display(msg, paths):
if not paths:
return
logger.info(msg)
with indent_log():
for path in sorted(compact(paths)):
logger.info(path)
if not verbose:
will_remove, will_skip = compress_for_output_listing(self.paths)
else:
# In verbose mode, display all the files that are going to be
# deleted.
will_remove = list(self.paths)
will_skip = set()
_display('Would remove:', will_remove)
_display('Would not remove (might be manually added):', will_skip)
_display('Would not remove (outside of prefix):', self._refuse)
if verbose:
_display('Will actually move:', compress_for_rename(self.paths))
return ask('Proceed (y/n)? ', ('y', 'n')) == 'y'
def rollback(self):
"""Rollback the changes previously made by remove()."""
if not self._moved_paths.can_rollback:
logger.error(
"Can't roll back %s; was not uninstalled",
self.dist.project_name,
)
return False
logger.info('Rolling back uninstall of %s', self.dist.project_name)
self._moved_paths.rollback()
for pth in self.pth.values():
pth.rollback()
def commit(self):
"""Remove temporary save dir: rollback will no longer be possible."""
self._moved_paths.commit()
@classmethod
def from_dist(cls, dist):
dist_path = normalize_path(dist.location)
if not dist_is_local(dist):
logger.info(
"Not uninstalling %s at %s, outside environment %s",
dist.key,
dist_path,
sys.prefix,
)
return cls(dist)
if dist_path in {p for p in {sysconfig.get_path("stdlib"),
sysconfig.get_path("platstdlib")}
if p}:
logger.info(
"Not uninstalling %s at %s, as it is in the standard library.",
dist.key,
dist_path,
)
return cls(dist)
paths_to_remove = cls(dist)
develop_egg_link = egg_link_path(dist)
develop_egg_link_egg_info = '{}.egg-info'.format(
pkg_resources.to_filename(dist.project_name))
egg_info_exists = dist.egg_info and os.path.exists(dist.egg_info)
# Special case for distutils installed package
distutils_egg_info = getattr(dist._provider, 'path', None)
# Uninstall cases order do matter as in the case of 2 installs of the
# same package, pip needs to uninstall the currently detected version
if (egg_info_exists and dist.egg_info.endswith('.egg-info') and
not dist.egg_info.endswith(develop_egg_link_egg_info)):
# if dist.egg_info.endswith(develop_egg_link_egg_info), we
# are in fact in the develop_egg_link case
paths_to_remove.add(dist.egg_info)
if dist.has_metadata('installed-files.txt'):
for installed_file in dist.get_metadata(
'installed-files.txt').splitlines():
path = os.path.normpath(
os.path.join(dist.egg_info, installed_file)
)
paths_to_remove.add(path)
# FIXME: need a test for this elif block
# occurs with --single-version-externally-managed/--record outside
# of pip
elif dist.has_metadata('top_level.txt'):
if dist.has_metadata('namespace_packages.txt'):
namespaces = dist.get_metadata('namespace_packages.txt')
else:
namespaces = []
for top_level_pkg in [
p for p
in dist.get_metadata('top_level.txt').splitlines()
if p and p not in namespaces]:
path = os.path.join(dist.location, top_level_pkg)
paths_to_remove.add(path)
paths_to_remove.add(path + '.py')
paths_to_remove.add(path + '.pyc')
paths_to_remove.add(path + '.pyo')
elif distutils_egg_info:
raise UninstallationError(
"Cannot uninstall {!r}. It is a distutils installed project "
"and thus we cannot accurately determine which files belong "
"to it which would lead to only a partial uninstall.".format(
dist.project_name,
)
)
elif dist.location.endswith('.egg'):
# package installed by easy_install
# We cannot match on dist.egg_name because it can slightly vary
# i.e. setuptools-0.6c11-py2.6.egg vs setuptools-0.6rc11-py2.6.egg
paths_to_remove.add(dist.location)
easy_install_egg = os.path.split(dist.location)[1]
easy_install_pth = os.path.join(os.path.dirname(dist.location),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, './' + easy_install_egg)
elif egg_info_exists and dist.egg_info.endswith('.dist-info'):
for path in uninstallation_paths(dist):
paths_to_remove.add(path)
elif develop_egg_link:
# develop egg
with open(develop_egg_link, 'r') as fh:
link_pointer = os.path.normcase(fh.readline().strip())
assert (link_pointer == dist.location), (
'Egg-link %s does not match installed location of %s '
'(at %s)' % (link_pointer, dist.project_name, dist.location)
)
paths_to_remove.add(develop_egg_link)
easy_install_pth = os.path.join(os.path.dirname(develop_egg_link),
'easy-install.pth')
paths_to_remove.add_pth(easy_install_pth, dist.location)
else:
logger.debug(
'Not sure how to uninstall: %s - Check: %s',
dist, dist.location,
)
# find distutils scripts= scripts
if dist.has_metadata('scripts') and dist.metadata_isdir('scripts'):
for script in dist.metadata_listdir('scripts'):
if dist_in_usersite(dist):
bin_dir = bin_user
else:
bin_dir = bin_py
paths_to_remove.add(os.path.join(bin_dir, script))
if WINDOWS:
paths_to_remove.add(os.path.join(bin_dir, script) + '.bat')
# find console_scripts
_scripts_to_remove = []
console_scripts = dist.get_entry_map(group='console_scripts')
for name in console_scripts.keys():
_scripts_to_remove.extend(_script_names(dist, name, False))
# find gui_scripts
gui_scripts = dist.get_entry_map(group='gui_scripts')
for name in gui_scripts.keys():
_scripts_to_remove.extend(_script_names(dist, name, True))
for s in _scripts_to_remove:
paths_to_remove.add(s)
return paths_to_remove
class UninstallPthEntries(object):
def __init__(self, pth_file):
if not os.path.isfile(pth_file):
raise UninstallationError(
"Cannot remove entries from nonexistent file %s" % pth_file
)
self.file = pth_file
self.entries = set()
self._saved_lines = None
def add(self, entry):
entry = os.path.normcase(entry)
# On Windows, os.path.normcase converts the entry to use
# backslashes. This is correct for entries that describe absolute
# paths outside of site-packages, but all the others use forward
# slashes.
if WINDOWS and not os.path.splitdrive(entry)[0]:
entry = entry.replace('\\', '/')
self.entries.add(entry)
def remove(self):
logger.debug('Removing pth entries from %s:', self.file)
with open(self.file, 'rb') as fh:
# windows uses '\r\n' with py3k, but uses '\n' with py2.x
lines = fh.readlines()
self._saved_lines = lines
if any(b'\r\n' in line for line in lines):
endline = '\r\n'
else:
endline = '\n'
# handle missing trailing newline
if lines and not lines[-1].endswith(endline.encode("utf-8")):
lines[-1] = lines[-1] + endline.encode("utf-8")
for entry in self.entries:
try:
logger.debug('Removing entry: %s', entry)
lines.remove((entry + endline).encode("utf-8"))
except ValueError:
pass
with open(self.file, 'wb') as fh:
fh.writelines(lines)
def rollback(self):
if self._saved_lines is None:
logger.error(
'Cannot roll back changes to %s, none were made', self.file
)
return False
logger.debug('Rolling %s back to previous state', self.file)
with open(self.file, 'wb') as fh:
fh.writelines(self._saved_lines)
return True

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"""Dependency Resolution
The dependency resolution in pip is performed as follows:
for top-level requirements:
a. only one spec allowed per project, regardless of conflicts or not.
otherwise a "double requirement" exception is raised
b. they override sub-dependency requirements.
for sub-dependencies
a. "first found, wins" (where the order is breadth first)
"""
import logging
from collections import defaultdict
from itertools import chain
from pip._internal.exceptions import (
BestVersionAlreadyInstalled, DistributionNotFound, HashError, HashErrors,
UnsupportedPythonVersion,
)
from pip._internal.req.constructors import install_req_from_req_string
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import dist_in_usersite, ensure_dir
from pip._internal.utils.packaging import check_dist_requires_python
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Optional, DefaultDict, List, Set # noqa: F401
from pip._internal.download import PipSession # noqa: F401
from pip._internal.req.req_install import InstallRequirement # noqa: F401
from pip._internal.index import PackageFinder # noqa: F401
from pip._internal.req.req_set import RequirementSet # noqa: F401
from pip._internal.operations.prepare import ( # noqa: F401
DistAbstraction, RequirementPreparer
)
from pip._internal.cache import WheelCache # noqa: F401
logger = logging.getLogger(__name__)
class Resolver(object):
"""Resolves which packages need to be installed/uninstalled to perform \
the requested operation without breaking the requirements of any package.
"""
_allowed_strategies = {"eager", "only-if-needed", "to-satisfy-only"}
def __init__(
self,
preparer, # type: RequirementPreparer
session, # type: PipSession
finder, # type: PackageFinder
wheel_cache, # type: Optional[WheelCache]
use_user_site, # type: bool
ignore_dependencies, # type: bool
ignore_installed, # type: bool
ignore_requires_python, # type: bool
force_reinstall, # type: bool
isolated, # type: bool
upgrade_strategy, # type: str
use_pep517=None # type: Optional[bool]
):
# type: (...) -> None
super(Resolver, self).__init__()
assert upgrade_strategy in self._allowed_strategies
self.preparer = preparer
self.finder = finder
self.session = session
# NOTE: This would eventually be replaced with a cache that can give
# information about both sdist and wheels transparently.
self.wheel_cache = wheel_cache
# This is set in resolve
self.require_hashes = None # type: Optional[bool]
self.upgrade_strategy = upgrade_strategy
self.force_reinstall = force_reinstall
self.isolated = isolated
self.ignore_dependencies = ignore_dependencies
self.ignore_installed = ignore_installed
self.ignore_requires_python = ignore_requires_python
self.use_user_site = use_user_site
self.use_pep517 = use_pep517
self._discovered_dependencies = \
defaultdict(list) # type: DefaultDict[str, List]
def resolve(self, requirement_set):
# type: (RequirementSet) -> None
"""Resolve what operations need to be done
As a side-effect of this method, the packages (and their dependencies)
are downloaded, unpacked and prepared for installation. This
preparation is done by ``pip.operations.prepare``.
Once PyPI has static dependency metadata available, it would be
possible to move the preparation to become a step separated from
dependency resolution.
"""
# make the wheelhouse
if self.preparer.wheel_download_dir:
ensure_dir(self.preparer.wheel_download_dir)
# If any top-level requirement has a hash specified, enter
# hash-checking mode, which requires hashes from all.
root_reqs = (
requirement_set.unnamed_requirements +
list(requirement_set.requirements.values())
)
self.require_hashes = (
requirement_set.require_hashes or
any(req.has_hash_options for req in root_reqs)
)
# Display where finder is looking for packages
locations = self.finder.get_formatted_locations()
if locations:
logger.info(locations)
# Actually prepare the files, and collect any exceptions. Most hash
# exceptions cannot be checked ahead of time, because
# req.populate_link() needs to be called before we can make decisions
# based on link type.
discovered_reqs = [] # type: List[InstallRequirement]
hash_errors = HashErrors()
for req in chain(root_reqs, discovered_reqs):
try:
discovered_reqs.extend(
self._resolve_one(requirement_set, req)
)
except HashError as exc:
exc.req = req
hash_errors.append(exc)
if hash_errors:
raise hash_errors
def _is_upgrade_allowed(self, req):
# type: (InstallRequirement) -> bool
if self.upgrade_strategy == "to-satisfy-only":
return False
elif self.upgrade_strategy == "eager":
return True
else:
assert self.upgrade_strategy == "only-if-needed"
return req.is_direct
def _set_req_to_reinstall(self, req):
# type: (InstallRequirement) -> None
"""
Set a requirement to be installed.
"""
# Don't uninstall the conflict if doing a user install and the
# conflict is not a user install.
if not self.use_user_site or dist_in_usersite(req.satisfied_by):
req.conflicts_with = req.satisfied_by
req.satisfied_by = None
# XXX: Stop passing requirement_set for options
def _check_skip_installed(self, req_to_install):
# type: (InstallRequirement) -> Optional[str]
"""Check if req_to_install should be skipped.
This will check if the req is installed, and whether we should upgrade
or reinstall it, taking into account all the relevant user options.
After calling this req_to_install will only have satisfied_by set to
None if the req_to_install is to be upgraded/reinstalled etc. Any
other value will be a dist recording the current thing installed that
satisfies the requirement.
Note that for vcs urls and the like we can't assess skipping in this
routine - we simply identify that we need to pull the thing down,
then later on it is pulled down and introspected to assess upgrade/
reinstalls etc.
:return: A text reason for why it was skipped, or None.
"""
if self.ignore_installed:
return None
req_to_install.check_if_exists(self.use_user_site)
if not req_to_install.satisfied_by:
return None
if self.force_reinstall:
self._set_req_to_reinstall(req_to_install)
return None
if not self._is_upgrade_allowed(req_to_install):
if self.upgrade_strategy == "only-if-needed":
return 'already satisfied, skipping upgrade'
return 'already satisfied'
# Check for the possibility of an upgrade. For link-based
# requirements we have to pull the tree down and inspect to assess
# the version #, so it's handled way down.
if not req_to_install.link:
try:
self.finder.find_requirement(req_to_install, upgrade=True)
except BestVersionAlreadyInstalled:
# Then the best version is installed.
return 'already up-to-date'
except DistributionNotFound:
# No distribution found, so we squash the error. It will
# be raised later when we re-try later to do the install.
# Why don't we just raise here?
pass
self._set_req_to_reinstall(req_to_install)
return None
def _get_abstract_dist_for(self, req):
# type: (InstallRequirement) -> DistAbstraction
"""Takes a InstallRequirement and returns a single AbstractDist \
representing a prepared variant of the same.
"""
assert self.require_hashes is not None, (
"require_hashes should have been set in Resolver.resolve()"
)
if req.editable:
return self.preparer.prepare_editable_requirement(
req, self.require_hashes, self.use_user_site, self.finder,
)
# satisfied_by is only evaluated by calling _check_skip_installed,
# so it must be None here.
assert req.satisfied_by is None
skip_reason = self._check_skip_installed(req)
if req.satisfied_by:
return self.preparer.prepare_installed_requirement(
req, self.require_hashes, skip_reason
)
upgrade_allowed = self._is_upgrade_allowed(req)
abstract_dist = self.preparer.prepare_linked_requirement(
req, self.session, self.finder, upgrade_allowed,
self.require_hashes
)
# NOTE
# The following portion is for determining if a certain package is
# going to be re-installed/upgraded or not and reporting to the user.
# This should probably get cleaned up in a future refactor.
# req.req is only avail after unpack for URL
# pkgs repeat check_if_exists to uninstall-on-upgrade
# (#14)
if not self.ignore_installed:
req.check_if_exists(self.use_user_site)
if req.satisfied_by:
should_modify = (
self.upgrade_strategy != "to-satisfy-only" or
self.force_reinstall or
self.ignore_installed or
req.link.scheme == 'file'
)
if should_modify:
self._set_req_to_reinstall(req)
else:
logger.info(
'Requirement already satisfied (use --upgrade to upgrade):'
' %s', req,
)
return abstract_dist
def _resolve_one(
self,
requirement_set, # type: RequirementSet
req_to_install # type: InstallRequirement
):
# type: (...) -> List[InstallRequirement]
"""Prepare a single requirements file.
:return: A list of additional InstallRequirements to also install.
"""
# Tell user what we are doing for this requirement:
# obtain (editable), skipping, processing (local url), collecting
# (remote url or package name)
if req_to_install.constraint or req_to_install.prepared:
return []
req_to_install.prepared = True
# register tmp src for cleanup in case something goes wrong
requirement_set.reqs_to_cleanup.append(req_to_install)
abstract_dist = self._get_abstract_dist_for(req_to_install)
# Parse and return dependencies
dist = abstract_dist.dist()
try:
check_dist_requires_python(dist)
except UnsupportedPythonVersion as err:
if self.ignore_requires_python:
logger.warning(err.args[0])
else:
raise
more_reqs = [] # type: List[InstallRequirement]
def add_req(subreq, extras_requested):
sub_install_req = install_req_from_req_string(
str(subreq),
req_to_install,
isolated=self.isolated,
wheel_cache=self.wheel_cache,
use_pep517=self.use_pep517
)
parent_req_name = req_to_install.name
to_scan_again, add_to_parent = requirement_set.add_requirement(
sub_install_req,
parent_req_name=parent_req_name,
extras_requested=extras_requested,
)
if parent_req_name and add_to_parent:
self._discovered_dependencies[parent_req_name].append(
add_to_parent
)
more_reqs.extend(to_scan_again)
with indent_log():
# We add req_to_install before its dependencies, so that we
# can refer to it when adding dependencies.
if not requirement_set.has_requirement(req_to_install.name):
# 'unnamed' requirements will get added here
req_to_install.is_direct = True
requirement_set.add_requirement(
req_to_install, parent_req_name=None,
)
if not self.ignore_dependencies:
if req_to_install.extras:
logger.debug(
"Installing extra requirements: %r",
','.join(req_to_install.extras),
)
missing_requested = sorted(
set(req_to_install.extras) - set(dist.extras)
)
for missing in missing_requested:
logger.warning(
'%s does not provide the extra \'%s\'',
dist, missing
)
available_requested = sorted(
set(dist.extras) & set(req_to_install.extras)
)
for subreq in dist.requires(available_requested):
add_req(subreq, extras_requested=available_requested)
if not req_to_install.editable and not req_to_install.satisfied_by:
# XXX: --no-install leads this to report 'Successfully
# downloaded' for only non-editable reqs, even though we took
# action on them.
requirement_set.successfully_downloaded.append(req_to_install)
return more_reqs
def get_installation_order(self, req_set):
# type: (RequirementSet) -> List[InstallRequirement]
"""Create the installation order.
The installation order is topological - requirements are installed
before the requiring thing. We break cycles at an arbitrary point,
and make no other guarantees.
"""
# The current implementation, which we may change at any point
# installs the user specified things in the order given, except when
# dependencies must come earlier to achieve topological order.
order = []
ordered_reqs = set() # type: Set[InstallRequirement]
def schedule(req):
if req.satisfied_by or req in ordered_reqs:
return
if req.constraint:
return
ordered_reqs.add(req)
for dep in self._discovered_dependencies[req.name]:
schedule(dep)
order.append(req)
for install_req in req_set.requirements.values():
schedule(install_req)
return order

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"""
This code was taken from https://github.com/ActiveState/appdirs and modified
to suit our purposes.
"""
from __future__ import absolute_import
import os
import sys
from pip._vendor.six import PY2, text_type
from pip._internal.utils.compat import WINDOWS, expanduser
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
List, Union
)
def user_cache_dir(appname):
# type: (str) -> str
r"""
Return full path to the user-specific cache dir for this application.
"appname" is the name of application.
Typical user cache directories are:
macOS: ~/Library/Caches/<AppName>
Unix: ~/.cache/<AppName> (XDG default)
Windows: C:\Users\<username>\AppData\Local\<AppName>\Cache
On Windows the only suggestion in the MSDN docs is that local settings go
in the `CSIDL_LOCAL_APPDATA` directory. This is identical to the
non-roaming app data dir (the default returned by `user_data_dir`). Apps
typically put cache data somewhere *under* the given dir here. Some
examples:
...\Mozilla\Firefox\Profiles\<ProfileName>\Cache
...\Acme\SuperApp\Cache\1.0
OPINION: This function appends "Cache" to the `CSIDL_LOCAL_APPDATA` value.
"""
if WINDOWS:
# Get the base path
path = os.path.normpath(_get_win_folder("CSIDL_LOCAL_APPDATA"))
# When using Python 2, return paths as bytes on Windows like we do on
# other operating systems. See helper function docs for more details.
if PY2 and isinstance(path, text_type):
path = _win_path_to_bytes(path)
# Add our app name and Cache directory to it
path = os.path.join(path, appname, "Cache")
elif sys.platform == "darwin":
# Get the base path
path = expanduser("~/Library/Caches")
# Add our app name to it
path = os.path.join(path, appname)
else:
# Get the base path
path = os.getenv("XDG_CACHE_HOME", expanduser("~/.cache"))
# Add our app name to it
path = os.path.join(path, appname)
return path
def user_data_dir(appname, roaming=False):
# type: (str, bool) -> str
r"""
Return full path to the user-specific data dir for this application.
"appname" is the name of application.
If None, just the system directory is returned.
"roaming" (boolean, default False) can be set True to use the Windows
roaming appdata directory. That means that for users on a Windows
network setup for roaming profiles, this user data will be
sync'd on login. See
<http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
for a discussion of issues.
Typical user data directories are:
macOS: ~/Library/Application Support/<AppName>
if it exists, else ~/.config/<AppName>
Unix: ~/.local/share/<AppName> # or in
$XDG_DATA_HOME, if defined
Win XP (not roaming): C:\Documents and Settings\<username>\ ...
...Application Data\<AppName>
Win XP (roaming): C:\Documents and Settings\<username>\Local ...
...Settings\Application Data\<AppName>
Win 7 (not roaming): C:\\Users\<username>\AppData\Local\<AppName>
Win 7 (roaming): C:\\Users\<username>\AppData\Roaming\<AppName>
For Unix, we follow the XDG spec and support $XDG_DATA_HOME.
That means, by default "~/.local/share/<AppName>".
"""
if WINDOWS:
const = roaming and "CSIDL_APPDATA" or "CSIDL_LOCAL_APPDATA"
path = os.path.join(os.path.normpath(_get_win_folder(const)), appname)
elif sys.platform == "darwin":
path = os.path.join(
expanduser('~/Library/Application Support/'),
appname,
) if os.path.isdir(os.path.join(
expanduser('~/Library/Application Support/'),
appname,
)
) else os.path.join(
expanduser('~/.config/'),
appname,
)
else:
path = os.path.join(
os.getenv('XDG_DATA_HOME', expanduser("~/.local/share")),
appname,
)
return path
def user_config_dir(appname, roaming=True):
# type: (str, bool) -> str
"""Return full path to the user-specific config dir for this application.
"appname" is the name of application.
If None, just the system directory is returned.
"roaming" (boolean, default True) can be set False to not use the
Windows roaming appdata directory. That means that for users on a
Windows network setup for roaming profiles, this user data will be
sync'd on login. See
<http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>
for a discussion of issues.
Typical user data directories are:
macOS: same as user_data_dir
Unix: ~/.config/<AppName>
Win *: same as user_data_dir
For Unix, we follow the XDG spec and support $XDG_CONFIG_HOME.
That means, by default "~/.config/<AppName>".
"""
if WINDOWS:
path = user_data_dir(appname, roaming=roaming)
elif sys.platform == "darwin":
path = user_data_dir(appname)
else:
path = os.getenv('XDG_CONFIG_HOME', expanduser("~/.config"))
path = os.path.join(path, appname)
return path
# for the discussion regarding site_config_dirs locations
# see <https://github.com/pypa/pip/issues/1733>
def site_config_dirs(appname):
# type: (str) -> List[str]
r"""Return a list of potential user-shared config dirs for this application.
"appname" is the name of application.
Typical user config directories are:
macOS: /Library/Application Support/<AppName>/
Unix: /etc or $XDG_CONFIG_DIRS[i]/<AppName>/ for each value in
$XDG_CONFIG_DIRS
Win XP: C:\Documents and Settings\All Users\Application ...
...Data\<AppName>\
Vista: (Fail! "C:\ProgramData" is a hidden *system* directory
on Vista.)
Win 7: Hidden, but writeable on Win 7:
C:\ProgramData\<AppName>\
"""
if WINDOWS:
path = os.path.normpath(_get_win_folder("CSIDL_COMMON_APPDATA"))
pathlist = [os.path.join(path, appname)]
elif sys.platform == 'darwin':
pathlist = [os.path.join('/Library/Application Support', appname)]
else:
# try looking in $XDG_CONFIG_DIRS
xdg_config_dirs = os.getenv('XDG_CONFIG_DIRS', '/etc/xdg')
if xdg_config_dirs:
pathlist = [
os.path.join(expanduser(x), appname)
for x in xdg_config_dirs.split(os.pathsep)
]
else:
pathlist = []
# always look in /etc directly as well
pathlist.append('/etc')
return pathlist
# -- Windows support functions --
def _get_win_folder_from_registry(csidl_name):
# type: (str) -> str
"""
This is a fallback technique at best. I'm not sure if using the
registry for this guarantees us the correct answer for all CSIDL_*
names.
"""
import _winreg
shell_folder_name = {
"CSIDL_APPDATA": "AppData",
"CSIDL_COMMON_APPDATA": "Common AppData",
"CSIDL_LOCAL_APPDATA": "Local AppData",
}[csidl_name]
key = _winreg.OpenKey(
_winreg.HKEY_CURRENT_USER,
r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders"
)
directory, _type = _winreg.QueryValueEx(key, shell_folder_name)
return directory
def _get_win_folder_with_ctypes(csidl_name):
# type: (str) -> str
csidl_const = {
"CSIDL_APPDATA": 26,
"CSIDL_COMMON_APPDATA": 35,
"CSIDL_LOCAL_APPDATA": 28,
}[csidl_name]
buf = ctypes.create_unicode_buffer(1024)
ctypes.windll.shell32.SHGetFolderPathW(None, csidl_const, None, 0, buf)
# Downgrade to short path name if have highbit chars. See
# <http://bugs.activestate.com/show_bug.cgi?id=85099>.
has_high_char = False
for c in buf:
if ord(c) > 255:
has_high_char = True
break
if has_high_char:
buf2 = ctypes.create_unicode_buffer(1024)
if ctypes.windll.kernel32.GetShortPathNameW(buf.value, buf2, 1024):
buf = buf2
return buf.value
if WINDOWS:
try:
import ctypes
_get_win_folder = _get_win_folder_with_ctypes
except ImportError:
_get_win_folder = _get_win_folder_from_registry
def _win_path_to_bytes(path):
"""Encode Windows paths to bytes. Only used on Python 2.
Motivation is to be consistent with other operating systems where paths
are also returned as bytes. This avoids problems mixing bytes and Unicode
elsewhere in the codebase. For more details and discussion see
<https://github.com/pypa/pip/issues/3463>.
If encoding using ASCII and MBCS fails, return the original Unicode path.
"""
for encoding in ('ASCII', 'MBCS'):
try:
return path.encode(encoding)
except (UnicodeEncodeError, LookupError):
pass
return path

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"""Stuff that differs in different Python versions and platform
distributions."""
from __future__ import absolute_import, division
import codecs
import locale
import logging
import os
import shutil
import sys
from pip._vendor.six import text_type
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Tuple, Text # noqa: F401
try:
import ipaddress
except ImportError:
try:
from pip._vendor import ipaddress # type: ignore
except ImportError:
import ipaddr as ipaddress # type: ignore
ipaddress.ip_address = ipaddress.IPAddress # type: ignore
ipaddress.ip_network = ipaddress.IPNetwork # type: ignore
__all__ = [
"ipaddress", "uses_pycache", "console_to_str", "native_str",
"get_path_uid", "stdlib_pkgs", "WINDOWS", "samefile", "get_terminal_size",
"get_extension_suffixes",
]
logger = logging.getLogger(__name__)
if sys.version_info >= (3, 4):
uses_pycache = True
from importlib.util import cache_from_source
else:
import imp
try:
cache_from_source = imp.cache_from_source # type: ignore
except AttributeError:
# does not use __pycache__
cache_from_source = None
uses_pycache = cache_from_source is not None
if sys.version_info >= (3, 5):
backslashreplace_decode = "backslashreplace"
else:
# In version 3.4 and older, backslashreplace exists
# but does not support use for decoding.
# We implement our own replace handler for this
# situation, so that we can consistently use
# backslash replacement for all versions.
def backslashreplace_decode_fn(err):
raw_bytes = (err.object[i] for i in range(err.start, err.end))
if sys.version_info[0] == 2:
# Python 2 gave us characters - convert to numeric bytes
raw_bytes = (ord(b) for b in raw_bytes)
return u"".join(u"\\x%x" % c for c in raw_bytes), err.end
codecs.register_error(
"backslashreplace_decode",
backslashreplace_decode_fn,
)
backslashreplace_decode = "backslashreplace_decode"
def console_to_str(data):
# type: (bytes) -> Text
"""Return a string, safe for output, of subprocess output.
We assume the data is in the locale preferred encoding.
If it won't decode properly, we warn the user but decode as
best we can.
We also ensure that the output can be safely written to
standard output without encoding errors.
"""
# First, get the encoding we assume. This is the preferred
# encoding for the locale, unless that is not found, or
# it is ASCII, in which case assume UTF-8
encoding = locale.getpreferredencoding()
if (not encoding) or codecs.lookup(encoding).name == "ascii":
encoding = "utf-8"
# Now try to decode the data - if we fail, warn the user and
# decode with replacement.
try:
decoded_data = data.decode(encoding)
except UnicodeDecodeError:
logger.warning(
"Subprocess output does not appear to be encoded as %s",
encoding,
)
decoded_data = data.decode(encoding, errors=backslashreplace_decode)
# Make sure we can print the output, by encoding it to the output
# encoding with replacement of unencodable characters, and then
# decoding again.
# We use stderr's encoding because it's less likely to be
# redirected and if we don't find an encoding we skip this
# step (on the assumption that output is wrapped by something
# that won't fail).
# The double getattr is to deal with the possibility that we're
# being called in a situation where sys.__stderr__ doesn't exist,
# or doesn't have an encoding attribute. Neither of these cases
# should occur in normal pip use, but there's no harm in checking
# in case people use pip in (unsupported) unusual situations.
output_encoding = getattr(getattr(sys, "__stderr__", None),
"encoding", None)
if output_encoding:
output_encoded = decoded_data.encode(
output_encoding,
errors="backslashreplace"
)
decoded_data = output_encoded.decode(output_encoding)
return decoded_data
if sys.version_info >= (3,):
def native_str(s, replace=False):
# type: (str, bool) -> str
if isinstance(s, bytes):
return s.decode('utf-8', 'replace' if replace else 'strict')
return s
else:
def native_str(s, replace=False):
# type: (str, bool) -> str
# Replace is ignored -- unicode to UTF-8 can't fail
if isinstance(s, text_type):
return s.encode('utf-8')
return s
def get_path_uid(path):
# type: (str) -> int
"""
Return path's uid.
Does not follow symlinks:
https://github.com/pypa/pip/pull/935#discussion_r5307003
Placed this function in compat due to differences on AIX and
Jython, that should eventually go away.
:raises OSError: When path is a symlink or can't be read.
"""
if hasattr(os, 'O_NOFOLLOW'):
fd = os.open(path, os.O_RDONLY | os.O_NOFOLLOW)
file_uid = os.fstat(fd).st_uid
os.close(fd)
else: # AIX and Jython
# WARNING: time of check vulnerability, but best we can do w/o NOFOLLOW
if not os.path.islink(path):
# older versions of Jython don't have `os.fstat`
file_uid = os.stat(path).st_uid
else:
# raise OSError for parity with os.O_NOFOLLOW above
raise OSError(
"%s is a symlink; Will not return uid for symlinks" % path
)
return file_uid
if sys.version_info >= (3, 4):
from importlib.machinery import EXTENSION_SUFFIXES
def get_extension_suffixes():
return EXTENSION_SUFFIXES
else:
from imp import get_suffixes
def get_extension_suffixes():
return [suffix[0] for suffix in get_suffixes()]
def expanduser(path):
# type: (str) -> str
"""
Expand ~ and ~user constructions.
Includes a workaround for https://bugs.python.org/issue14768
"""
expanded = os.path.expanduser(path)
if path.startswith('~/') and expanded.startswith('//'):
expanded = expanded[1:]
return expanded
# packages in the stdlib that may have installation metadata, but should not be
# considered 'installed'. this theoretically could be determined based on
# dist.location (py27:`sysconfig.get_paths()['stdlib']`,
# py26:sysconfig.get_config_vars('LIBDEST')), but fear platform variation may
# make this ineffective, so hard-coding
stdlib_pkgs = {"python", "wsgiref", "argparse"}
# windows detection, covers cpython and ironpython
WINDOWS = (sys.platform.startswith("win") or
(sys.platform == 'cli' and os.name == 'nt'))
def samefile(file1, file2):
# type: (str, str) -> bool
"""Provide an alternative for os.path.samefile on Windows/Python2"""
if hasattr(os.path, 'samefile'):
return os.path.samefile(file1, file2)
else:
path1 = os.path.normcase(os.path.abspath(file1))
path2 = os.path.normcase(os.path.abspath(file2))
return path1 == path2
if hasattr(shutil, 'get_terminal_size'):
def get_terminal_size():
# type: () -> Tuple[int, int]
"""
Returns a tuple (x, y) representing the width(x) and the height(y)
in characters of the terminal window.
"""
return tuple(shutil.get_terminal_size()) # type: ignore
else:
def get_terminal_size():
# type: () -> Tuple[int, int]
"""
Returns a tuple (x, y) representing the width(x) and the height(y)
in characters of the terminal window.
"""
def ioctl_GWINSZ(fd):
try:
import fcntl
import termios
import struct
cr = struct.unpack_from(
'hh',
fcntl.ioctl(fd, termios.TIOCGWINSZ, '12345678')
)
except Exception:
return None
if cr == (0, 0):
return None
return cr
cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2)
if not cr:
try:
fd = os.open(os.ctermid(), os.O_RDONLY)
cr = ioctl_GWINSZ(fd)
os.close(fd)
except Exception:
pass
if not cr:
cr = (os.environ.get('LINES', 25), os.environ.get('COLUMNS', 80))
return int(cr[1]), int(cr[0])

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"""
A module that implements tooling to enable easy warnings about deprecations.
"""
from __future__ import absolute_import
import logging
import warnings
from pip._vendor.packaging.version import parse
from pip import __version__ as current_version
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Any, Optional # noqa: F401
class PipDeprecationWarning(Warning):
pass
_original_showwarning = None # type: Any
# Warnings <-> Logging Integration
def _showwarning(message, category, filename, lineno, file=None, line=None):
if file is not None:
if _original_showwarning is not None:
_original_showwarning(
message, category, filename, lineno, file, line,
)
elif issubclass(category, PipDeprecationWarning):
# We use a specially named logger which will handle all of the
# deprecation messages for pip.
logger = logging.getLogger("pip._internal.deprecations")
logger.warning(message)
else:
_original_showwarning(
message, category, filename, lineno, file, line,
)
def install_warning_logger():
# type: () -> None
# Enable our Deprecation Warnings
warnings.simplefilter("default", PipDeprecationWarning, append=True)
global _original_showwarning
if _original_showwarning is None:
_original_showwarning = warnings.showwarning
warnings.showwarning = _showwarning
def deprecated(reason, replacement, gone_in, issue=None):
# type: (str, Optional[str], Optional[str], Optional[int]) -> None
"""Helper to deprecate existing functionality.
reason:
Textual reason shown to the user about why this functionality has
been deprecated.
replacement:
Textual suggestion shown to the user about what alternative
functionality they can use.
gone_in:
The version of pip does this functionality should get removed in.
Raises errors if pip's current version is greater than or equal to
this.
issue:
Issue number on the tracker that would serve as a useful place for
users to find related discussion and provide feedback.
Always pass replacement, gone_in and issue as keyword arguments for clarity
at the call site.
"""
# Construct a nice message.
# This is purposely eagerly formatted as we want it to appear as if someone
# typed this entire message out.
message = "DEPRECATION: " + reason
if replacement is not None:
message += " A possible replacement is {}.".format(replacement)
if issue is not None:
url = "https://github.com/pypa/pip/issues/" + str(issue)
message += " You can find discussion regarding this at {}.".format(url)
# Raise as an error if it has to be removed.
if gone_in is not None and parse(current_version) >= parse(gone_in):
raise PipDeprecationWarning(message)
warnings.warn(message, category=PipDeprecationWarning, stacklevel=2)

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import codecs
import locale
import re
import sys
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import List, Tuple, Text # noqa: F401
BOMS = [
(codecs.BOM_UTF8, 'utf8'),
(codecs.BOM_UTF16, 'utf16'),
(codecs.BOM_UTF16_BE, 'utf16-be'),
(codecs.BOM_UTF16_LE, 'utf16-le'),
(codecs.BOM_UTF32, 'utf32'),
(codecs.BOM_UTF32_BE, 'utf32-be'),
(codecs.BOM_UTF32_LE, 'utf32-le'),
] # type: List[Tuple[bytes, Text]]
ENCODING_RE = re.compile(br'coding[:=]\s*([-\w.]+)')
def auto_decode(data):
# type: (bytes) -> Text
"""Check a bytes string for a BOM to correctly detect the encoding
Fallback to locale.getpreferredencoding(False) like open() on Python3"""
for bom, encoding in BOMS:
if data.startswith(bom):
return data[len(bom):].decode(encoding)
# Lets check the first two lines as in PEP263
for line in data.split(b'\n')[:2]:
if line[0:1] == b'#' and ENCODING_RE.search(line):
encoding = ENCODING_RE.search(line).groups()[0].decode('ascii')
return data.decode(encoding)
return data.decode(
locale.getpreferredencoding(False) or sys.getdefaultencoding(),
)

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import os
import os.path
from pip._internal.utils.compat import get_path_uid
def check_path_owner(path):
# type: (str) -> bool
# If we don't have a way to check the effective uid of this process, then
# we'll just assume that we own the directory.
if not hasattr(os, "geteuid"):
return True
previous = None
while path != previous:
if os.path.lexists(path):
# Check if path is writable by current user.
if os.geteuid() == 0:
# Special handling for root user in order to handle properly
# cases where users use sudo without -H flag.
try:
path_uid = get_path_uid(path)
except OSError:
return False
return path_uid == 0
else:
return os.access(path, os.W_OK)
else:
previous, path = path, os.path.dirname(path)
return False # assume we don't own the path

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from __future__ import absolute_import
import ctypes
import re
import warnings
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Optional, Tuple # noqa: F401
def glibc_version_string():
# type: () -> Optional[str]
"Returns glibc version string, or None if not using glibc."
# ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
# manpage says, "If filename is NULL, then the returned handle is for the
# main program". This way we can let the linker do the work to figure out
# which libc our process is actually using.
process_namespace = ctypes.CDLL(None)
try:
gnu_get_libc_version = process_namespace.gnu_get_libc_version
except AttributeError:
# Symbol doesn't exist -> therefore, we are not linked to
# glibc.
return None
# Call gnu_get_libc_version, which returns a string like "2.5"
gnu_get_libc_version.restype = ctypes.c_char_p
version_str = gnu_get_libc_version()
# py2 / py3 compatibility:
if not isinstance(version_str, str):
version_str = version_str.decode("ascii")
return version_str
# Separated out from have_compatible_glibc for easier unit testing
def check_glibc_version(version_str, required_major, minimum_minor):
# type: (str, int, int) -> bool
# Parse string and check against requested version.
#
# We use a regexp instead of str.split because we want to discard any
# random junk that might come after the minor version -- this might happen
# in patched/forked versions of glibc (e.g. Linaro's version of glibc
# uses version strings like "2.20-2014.11"). See gh-3588.
m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str)
if not m:
warnings.warn("Expected glibc version with 2 components major.minor,"
" got: %s" % version_str, RuntimeWarning)
return False
return (int(m.group("major")) == required_major and
int(m.group("minor")) >= minimum_minor)
def have_compatible_glibc(required_major, minimum_minor):
# type: (int, int) -> bool
version_str = glibc_version_string() # type: Optional[str]
if version_str is None:
return False
return check_glibc_version(version_str, required_major, minimum_minor)
# platform.libc_ver regularly returns completely nonsensical glibc
# versions. E.g. on my computer, platform says:
#
# ~$ python2.7 -c 'import platform; print(platform.libc_ver())'
# ('glibc', '2.7')
# ~$ python3.5 -c 'import platform; print(platform.libc_ver())'
# ('glibc', '2.9')
#
# But the truth is:
#
# ~$ ldd --version
# ldd (Debian GLIBC 2.22-11) 2.22
#
# This is unfortunate, because it means that the linehaul data on libc
# versions that was generated by pip 8.1.2 and earlier is useless and
# misleading. Solution: instead of using platform, use our code that actually
# works.
def libc_ver():
# type: () -> Tuple[str, str]
"""Try to determine the glibc version
Returns a tuple of strings (lib, version) which default to empty strings
in case the lookup fails.
"""
glibc_version = glibc_version_string()
if glibc_version is None:
return ("", "")
else:
return ("glibc", glibc_version)

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from __future__ import absolute_import
import hashlib
from pip._vendor.six import iteritems, iterkeys, itervalues
from pip._internal.exceptions import (
HashMismatch, HashMissing, InstallationError,
)
from pip._internal.utils.misc import read_chunks
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import ( # noqa: F401
Dict, List, BinaryIO, NoReturn, Iterator
)
from pip._vendor.six import PY3
if PY3:
from hashlib import _Hash # noqa: F401
else:
from hashlib import _hash as _Hash # noqa: F401
# The recommended hash algo of the moment. Change this whenever the state of
# the art changes; it won't hurt backward compatibility.
FAVORITE_HASH = 'sha256'
# Names of hashlib algorithms allowed by the --hash option and ``pip hash``
# Currently, those are the ones at least as collision-resistant as sha256.
STRONG_HASHES = ['sha256', 'sha384', 'sha512']
class Hashes(object):
"""A wrapper that builds multiple hashes at once and checks them against
known-good values
"""
def __init__(self, hashes=None):
# type: (Dict[str, List[str]]) -> None
"""
:param hashes: A dict of algorithm names pointing to lists of allowed
hex digests
"""
self._allowed = {} if hashes is None else hashes
def check_against_chunks(self, chunks):
# type: (Iterator[bytes]) -> None
"""Check good hashes against ones built from iterable of chunks of
data.
Raise HashMismatch if none match.
"""
gots = {}
for hash_name in iterkeys(self._allowed):
try:
gots[hash_name] = hashlib.new(hash_name)
except (ValueError, TypeError):
raise InstallationError('Unknown hash name: %s' % hash_name)
for chunk in chunks:
for hash in itervalues(gots):
hash.update(chunk)
for hash_name, got in iteritems(gots):
if got.hexdigest() in self._allowed[hash_name]:
return
self._raise(gots)
def _raise(self, gots):
# type: (Dict[str, _Hash]) -> NoReturn
raise HashMismatch(self._allowed, gots)
def check_against_file(self, file):
# type: (BinaryIO) -> None
"""Check good hashes against a file-like object
Raise HashMismatch if none match.
"""
return self.check_against_chunks(read_chunks(file))
def check_against_path(self, path):
# type: (str) -> None
with open(path, 'rb') as file:
return self.check_against_file(file)
def __nonzero__(self):
# type: () -> bool
"""Return whether I know any known-good hashes."""
return bool(self._allowed)
def __bool__(self):
# type: () -> bool
return self.__nonzero__()
class MissingHashes(Hashes):
"""A workalike for Hashes used when we're missing a hash for a requirement
It computes the actual hash of the requirement and raises a HashMissing
exception showing it to the user.
"""
def __init__(self):
# type: () -> None
"""Don't offer the ``hashes`` kwarg."""
# Pass our favorite hash in to generate a "gotten hash". With the
# empty list, it will never match, so an error will always raise.
super(MissingHashes, self).__init__(hashes={FAVORITE_HASH: []})
def _raise(self, gots):
# type: (Dict[str, _Hash]) -> NoReturn
raise HashMissing(gots[FAVORITE_HASH].hexdigest())

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from __future__ import absolute_import
import contextlib
import errno
import logging
import logging.handlers
import os
import sys
from pip._vendor.six import PY2
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.misc import ensure_dir
try:
import threading
except ImportError:
import dummy_threading as threading # type: ignore
try:
from pip._vendor import colorama
# Lots of different errors can come from this, including SystemError and
# ImportError.
except Exception:
colorama = None
_log_state = threading.local()
_log_state.indentation = 0
class BrokenStdoutLoggingError(Exception):
"""
Raised if BrokenPipeError occurs for the stdout stream while logging.
"""
pass
# BrokenPipeError does not exist in Python 2 and, in addition, manifests
# differently in Windows and non-Windows.
if WINDOWS:
# In Windows, a broken pipe can show up as EINVAL rather than EPIPE:
# https://bugs.python.org/issue19612
# https://bugs.python.org/issue30418
if PY2:
def _is_broken_pipe_error(exc_class, exc):
"""See the docstring for non-Windows Python 3 below."""
return (exc_class is IOError and
exc.errno in (errno.EINVAL, errno.EPIPE))
else:
# In Windows, a broken pipe IOError became OSError in Python 3.
def _is_broken_pipe_error(exc_class, exc):
"""See the docstring for non-Windows Python 3 below."""
return ((exc_class is BrokenPipeError) or # noqa: F821
(exc_class is OSError and
exc.errno in (errno.EINVAL, errno.EPIPE)))
elif PY2:
def _is_broken_pipe_error(exc_class, exc):
"""See the docstring for non-Windows Python 3 below."""
return (exc_class is IOError and exc.errno == errno.EPIPE)
else:
# Then we are in the non-Windows Python 3 case.
def _is_broken_pipe_error(exc_class, exc):
"""
Return whether an exception is a broken pipe error.
Args:
exc_class: an exception class.
exc: an exception instance.
"""
return (exc_class is BrokenPipeError) # noqa: F821
@contextlib.contextmanager
def indent_log(num=2):
"""
A context manager which will cause the log output to be indented for any
log messages emitted inside it.
"""
_log_state.indentation += num
try:
yield
finally:
_log_state.indentation -= num
def get_indentation():
return getattr(_log_state, 'indentation', 0)
class IndentingFormatter(logging.Formatter):
def __init__(self, *args, **kwargs):
"""
A logging.Formatter obeying containing indent_log contexts.
:param add_timestamp: A bool indicating output lines should be prefixed
with their record's timestamp.
"""
self.add_timestamp = kwargs.pop("add_timestamp", False)
super(IndentingFormatter, self).__init__(*args, **kwargs)
def format(self, record):
"""
Calls the standard formatter, but will indent all of the log messages
by our current indentation level.
"""
formatted = super(IndentingFormatter, self).format(record)
prefix = ''
if self.add_timestamp:
prefix = self.formatTime(record, "%Y-%m-%dT%H:%M:%S ")
prefix += " " * get_indentation()
formatted = "".join([
prefix + line
for line in formatted.splitlines(True)
])
return formatted
def _color_wrap(*colors):
def wrapped(inp):
return "".join(list(colors) + [inp, colorama.Style.RESET_ALL])
return wrapped
class ColorizedStreamHandler(logging.StreamHandler):
# Don't build up a list of colors if we don't have colorama
if colorama:
COLORS = [
# This needs to be in order from highest logging level to lowest.
(logging.ERROR, _color_wrap(colorama.Fore.RED)),
(logging.WARNING, _color_wrap(colorama.Fore.YELLOW)),
]
else:
COLORS = []
def __init__(self, stream=None, no_color=None):
logging.StreamHandler.__init__(self, stream)
self._no_color = no_color
if WINDOWS and colorama:
self.stream = colorama.AnsiToWin32(self.stream)
def _using_stdout(self):
"""
Return whether the handler is using sys.stdout.
"""
if WINDOWS and colorama:
# Then self.stream is an AnsiToWin32 object.
return self.stream.wrapped is sys.stdout
return self.stream is sys.stdout
def should_color(self):
# Don't colorize things if we do not have colorama or if told not to
if not colorama or self._no_color:
return False
real_stream = (
self.stream if not isinstance(self.stream, colorama.AnsiToWin32)
else self.stream.wrapped
)
# If the stream is a tty we should color it
if hasattr(real_stream, "isatty") and real_stream.isatty():
return True
# If we have an ANSI term we should color it
if os.environ.get("TERM") == "ANSI":
return True
# If anything else we should not color it
return False
def format(self, record):
msg = logging.StreamHandler.format(self, record)
if self.should_color():
for level, color in self.COLORS:
if record.levelno >= level:
msg = color(msg)
break
return msg
# The logging module says handleError() can be customized.
def handleError(self, record):
exc_class, exc = sys.exc_info()[:2]
# If a broken pipe occurred while calling write() or flush() on the
# stdout stream in logging's Handler.emit(), then raise our special
# exception so we can handle it in main() instead of logging the
# broken pipe error and continuing.
if (exc_class and self._using_stdout() and
_is_broken_pipe_error(exc_class, exc)):
raise BrokenStdoutLoggingError()
return super(ColorizedStreamHandler, self).handleError(record)
class BetterRotatingFileHandler(logging.handlers.RotatingFileHandler):
def _open(self):
ensure_dir(os.path.dirname(self.baseFilename))
return logging.handlers.RotatingFileHandler._open(self)
class MaxLevelFilter(logging.Filter):
def __init__(self, level):
self.level = level
def filter(self, record):
return record.levelno < self.level
def setup_logging(verbosity, no_color, user_log_file):
"""Configures and sets up all of the logging
Returns the requested logging level, as its integer value.
"""
# Determine the level to be logging at.
if verbosity >= 1:
level = "DEBUG"
elif verbosity == -1:
level = "WARNING"
elif verbosity == -2:
level = "ERROR"
elif verbosity <= -3:
level = "CRITICAL"
else:
level = "INFO"
level_number = getattr(logging, level)
# The "root" logger should match the "console" level *unless* we also need
# to log to a user log file.
include_user_log = user_log_file is not None
if include_user_log:
additional_log_file = user_log_file
root_level = "DEBUG"
else:
additional_log_file = "/dev/null"
root_level = level
# Disable any logging besides WARNING unless we have DEBUG level logging
# enabled for vendored libraries.
vendored_log_level = "WARNING" if level in ["INFO", "ERROR"] else "DEBUG"
# Shorthands for clarity
log_streams = {
"stdout": "ext://sys.stdout",
"stderr": "ext://sys.stderr",
}
handler_classes = {
"stream": "pip._internal.utils.logging.ColorizedStreamHandler",
"file": "pip._internal.utils.logging.BetterRotatingFileHandler",
}
logging.config.dictConfig({
"version": 1,
"disable_existing_loggers": False,
"filters": {
"exclude_warnings": {
"()": "pip._internal.utils.logging.MaxLevelFilter",
"level": logging.WARNING,
},
},
"formatters": {
"indent": {
"()": IndentingFormatter,
"format": "%(message)s",
},
"indent_with_timestamp": {
"()": IndentingFormatter,
"format": "%(message)s",
"add_timestamp": True,
},
},
"handlers": {
"console": {
"level": level,
"class": handler_classes["stream"],
"no_color": no_color,
"stream": log_streams["stdout"],
"filters": ["exclude_warnings"],
"formatter": "indent",
},
"console_errors": {
"level": "WARNING",
"class": handler_classes["stream"],
"no_color": no_color,
"stream": log_streams["stderr"],
"formatter": "indent",
},
"user_log": {
"level": "DEBUG",
"class": handler_classes["file"],
"filename": additional_log_file,
"delay": True,
"formatter": "indent_with_timestamp",
},
},
"root": {
"level": root_level,
"handlers": ["console", "console_errors"] + (
["user_log"] if include_user_log else []
),
},
"loggers": {
"pip._vendor": {
"level": vendored_log_level
}
},
})
return level_number

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"""Utilities for defining models
"""
import operator
class KeyBasedCompareMixin(object):
"""Provides comparision capabilities that is based on a key
"""
def __init__(self, key, defining_class):
self._compare_key = key
self._defining_class = defining_class
def __hash__(self):
return hash(self._compare_key)
def __lt__(self, other):
return self._compare(other, operator.__lt__)
def __le__(self, other):
return self._compare(other, operator.__le__)
def __gt__(self, other):
return self._compare(other, operator.__gt__)
def __ge__(self, other):
return self._compare(other, operator.__ge__)
def __eq__(self, other):
return self._compare(other, operator.__eq__)
def __ne__(self, other):
return self._compare(other, operator.__ne__)
def _compare(self, other, method):
if not isinstance(other, self._defining_class):
return NotImplemented
return method(self._compare_key, other._compare_key)

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from __future__ import absolute_import
import datetime
import json
import logging
import os.path
import sys
from pip._vendor import lockfile, pkg_resources
from pip._vendor.packaging import version as packaging_version
from pip._internal.index import PackageFinder
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.filesystem import check_path_owner
from pip._internal.utils.misc import ensure_dir, get_installed_version
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
import optparse # noqa: F401
from typing import Any, Dict # noqa: F401
from pip._internal.download import PipSession # noqa: F401
SELFCHECK_DATE_FMT = "%Y-%m-%dT%H:%M:%SZ"
logger = logging.getLogger(__name__)
class SelfCheckState(object):
def __init__(self, cache_dir):
# type: (str) -> None
self.state = {} # type: Dict[str, Any]
self.statefile_path = None
# Try to load the existing state
if cache_dir:
self.statefile_path = os.path.join(cache_dir, "selfcheck.json")
try:
with open(self.statefile_path) as statefile:
self.state = json.load(statefile)[sys.prefix]
except (IOError, ValueError, KeyError):
# Explicitly suppressing exceptions, since we don't want to
# error out if the cache file is invalid.
pass
def save(self, pypi_version, current_time):
# type: (str, datetime.datetime) -> None
# If we do not have a path to cache in, don't bother saving.
if not self.statefile_path:
return
# Check to make sure that we own the directory
if not check_path_owner(os.path.dirname(self.statefile_path)):
return
# Now that we've ensured the directory is owned by this user, we'll go
# ahead and make sure that all our directories are created.
ensure_dir(os.path.dirname(self.statefile_path))
# Attempt to write out our version check file
with lockfile.LockFile(self.statefile_path):
if os.path.exists(self.statefile_path):
with open(self.statefile_path) as statefile:
state = json.load(statefile)
else:
state = {}
state[sys.prefix] = {
"last_check": current_time.strftime(SELFCHECK_DATE_FMT),
"pypi_version": pypi_version,
}
with open(self.statefile_path, "w") as statefile:
json.dump(state, statefile, sort_keys=True,
separators=(",", ":"))
def was_installed_by_pip(pkg):
# type: (str) -> bool
"""Checks whether pkg was installed by pip
This is used not to display the upgrade message when pip is in fact
installed by system package manager, such as dnf on Fedora.
"""
try:
dist = pkg_resources.get_distribution(pkg)
return (dist.has_metadata('INSTALLER') and
'pip' in dist.get_metadata_lines('INSTALLER'))
except pkg_resources.DistributionNotFound:
return False
def pip_version_check(session, options):
# type: (PipSession, optparse.Values) -> None
"""Check for an update for pip.
Limit the frequency of checks to once per week. State is stored either in
the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix
of the pip script path.
"""
installed_version = get_installed_version("pip")
if not installed_version:
return
pip_version = packaging_version.parse(installed_version)
pypi_version = None
try:
state = SelfCheckState(cache_dir=options.cache_dir)
current_time = datetime.datetime.utcnow()
# Determine if we need to refresh the state
if "last_check" in state.state and "pypi_version" in state.state:
last_check = datetime.datetime.strptime(
state.state["last_check"],
SELFCHECK_DATE_FMT
)
if (current_time - last_check).total_seconds() < 7 * 24 * 60 * 60:
pypi_version = state.state["pypi_version"]
# Refresh the version if we need to or just see if we need to warn
if pypi_version is None:
# Lets use PackageFinder to see what the latest pip version is
finder = PackageFinder(
find_links=options.find_links,
index_urls=[options.index_url] + options.extra_index_urls,
allow_all_prereleases=False, # Explicitly set to False
trusted_hosts=options.trusted_hosts,
session=session,
)
all_candidates = finder.find_all_candidates("pip")
if not all_candidates:
return
pypi_version = str(
max(all_candidates, key=lambda c: c.version).version
)
# save that we've performed a check
state.save(pypi_version, current_time)
remote_version = packaging_version.parse(pypi_version)
# Determine if our pypi_version is older
if (pip_version < remote_version and
pip_version.base_version != remote_version.base_version and
was_installed_by_pip('pip')):
# Advise "python -m pip" on Windows to avoid issues
# with overwriting pip.exe.
if WINDOWS:
pip_cmd = "python -m pip"
else:
pip_cmd = "pip"
logger.warning(
"You are using pip version %s, however version %s is "
"available.\nYou should consider upgrading via the "
"'%s install --upgrade pip' command.",
pip_version, pypi_version, pip_cmd
)
except Exception:
logger.debug(
"There was an error checking the latest version of pip",
exc_info=True,
)

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from __future__ import absolute_import
import logging
import sys
from email.parser import FeedParser
from pip._vendor import pkg_resources
from pip._vendor.packaging import specifiers, version
from pip._internal import exceptions
from pip._internal.utils.misc import display_path
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Optional # noqa: F401
from email.message import Message # noqa: F401
from pip._vendor.pkg_resources import Distribution # noqa: F401
logger = logging.getLogger(__name__)
def check_requires_python(requires_python):
# type: (Optional[str]) -> bool
"""
Check if the python version in use match the `requires_python` specifier.
Returns `True` if the version of python in use matches the requirement.
Returns `False` if the version of python in use does not matches the
requirement.
Raises an InvalidSpecifier if `requires_python` have an invalid format.
"""
if requires_python is None:
# The package provides no information
return True
requires_python_specifier = specifiers.SpecifierSet(requires_python)
# We only use major.minor.micro
python_version = version.parse('.'.join(map(str, sys.version_info[:3])))
return python_version in requires_python_specifier
def get_metadata(dist):
# type: (Distribution) -> Message
if (isinstance(dist, pkg_resources.DistInfoDistribution) and
dist.has_metadata('METADATA')):
metadata = dist.get_metadata('METADATA')
elif dist.has_metadata('PKG-INFO'):
metadata = dist.get_metadata('PKG-INFO')
else:
logger.warning("No metadata found in %s", display_path(dist.location))
metadata = ''
feed_parser = FeedParser()
feed_parser.feed(metadata)
return feed_parser.close()
def check_dist_requires_python(dist):
pkg_info_dict = get_metadata(dist)
requires_python = pkg_info_dict.get('Requires-Python')
try:
if not check_requires_python(requires_python):
raise exceptions.UnsupportedPythonVersion(
"%s requires Python '%s' but the running Python is %s" % (
dist.project_name,
requires_python,
'.'.join(map(str, sys.version_info[:3])),)
)
except specifiers.InvalidSpecifier as e:
logger.warning(
"Package %s has an invalid Requires-Python entry %s - %s",
dist.project_name, requires_python, e,
)
return
def get_installer(dist):
# type: (Distribution) -> str
if dist.has_metadata('INSTALLER'):
for line in dist.get_metadata_lines('INSTALLER'):
if line.strip():
return line.strip()
return ''

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# Shim to wrap setup.py invocation with setuptools
SETUPTOOLS_SHIM = (
"import setuptools, tokenize;__file__=%r;"
"f=getattr(tokenize, 'open', open)(__file__);"
"code=f.read().replace('\\r\\n', '\\n');"
"f.close();"
"exec(compile(code, __file__, 'exec'))"
)

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from __future__ import absolute_import
import errno
import itertools
import logging
import os.path
import tempfile
from pip._internal.utils.misc import rmtree
logger = logging.getLogger(__name__)
class TempDirectory(object):
"""Helper class that owns and cleans up a temporary directory.
This class can be used as a context manager or as an OO representation of a
temporary directory.
Attributes:
path
Location to the created temporary directory or None
delete
Whether the directory should be deleted when exiting
(when used as a contextmanager)
Methods:
create()
Creates a temporary directory and stores its path in the path
attribute.
cleanup()
Deletes the temporary directory and sets path attribute to None
When used as a context manager, a temporary directory is created on
entering the context and, if the delete attribute is True, on exiting the
context the created directory is deleted.
"""
def __init__(self, path=None, delete=None, kind="temp"):
super(TempDirectory, self).__init__()
if path is None and delete is None:
# If we were not given an explicit directory, and we were not given
# an explicit delete option, then we'll default to deleting.
delete = True
self.path = path
self.delete = delete
self.kind = kind
def __repr__(self):
return "<{} {!r}>".format(self.__class__.__name__, self.path)
def __enter__(self):
self.create()
return self
def __exit__(self, exc, value, tb):
if self.delete:
self.cleanup()
def create(self):
"""Create a temporary directory and store its path in self.path
"""
if self.path is not None:
logger.debug(
"Skipped creation of temporary directory: {}".format(self.path)
)
return
# We realpath here because some systems have their default tmpdir
# symlinked to another directory. This tends to confuse build
# scripts, so we canonicalize the path by traversing potential
# symlinks here.
self.path = os.path.realpath(
tempfile.mkdtemp(prefix="pip-{}-".format(self.kind))
)
logger.debug("Created temporary directory: {}".format(self.path))
def cleanup(self):
"""Remove the temporary directory created and reset state
"""
if self.path is not None and os.path.exists(self.path):
rmtree(self.path)
self.path = None
class AdjacentTempDirectory(TempDirectory):
"""Helper class that creates a temporary directory adjacent to a real one.
Attributes:
original
The original directory to create a temp directory for.
path
After calling create() or entering, contains the full
path to the temporary directory.
delete
Whether the directory should be deleted when exiting
(when used as a contextmanager)
"""
# The characters that may be used to name the temp directory
# We always prepend a ~ and then rotate through these until
# a usable name is found.
# pkg_resources raises a different error for .dist-info folder
# with leading '-' and invalid metadata
LEADING_CHARS = "-~.=%0123456789"
def __init__(self, original, delete=None):
super(AdjacentTempDirectory, self).__init__(delete=delete)
self.original = original.rstrip('/\\')
@classmethod
def _generate_names(cls, name):
"""Generates a series of temporary names.
The algorithm replaces the leading characters in the name
with ones that are valid filesystem characters, but are not
valid package names (for both Python and pip definitions of
package).
"""
for i in range(1, len(name)):
for candidate in itertools.combinations_with_replacement(
cls.LEADING_CHARS, i - 1):
new_name = '~' + ''.join(candidate) + name[i:]
if new_name != name:
yield new_name
# If we make it this far, we will have to make a longer name
for i in range(len(cls.LEADING_CHARS)):
for candidate in itertools.combinations_with_replacement(
cls.LEADING_CHARS, i):
new_name = '~' + ''.join(candidate) + name
if new_name != name:
yield new_name
def create(self):
root, name = os.path.split(self.original)
for candidate in self._generate_names(name):
path = os.path.join(root, candidate)
try:
os.mkdir(path)
except OSError as ex:
# Continue if the name exists already
if ex.errno != errno.EEXIST:
raise
else:
self.path = os.path.realpath(path)
break
if not self.path:
# Final fallback on the default behavior.
self.path = os.path.realpath(
tempfile.mkdtemp(prefix="pip-{}-".format(self.kind))
)
logger.debug("Created temporary directory: {}".format(self.path))

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"""For neatly implementing static typing in pip.
`mypy` - the static type analysis tool we use - uses the `typing` module, which
provides core functionality fundamental to mypy's functioning.
Generally, `typing` would be imported at runtime and used in that fashion -
it acts as a no-op at runtime and does not have any run-time overhead by
design.
As it turns out, `typing` is not vendorable - it uses separate sources for
Python 2/Python 3. Thus, this codebase can not expect it to be present.
To work around this, mypy allows the typing import to be behind a False-y
optional to prevent it from running at runtime and type-comments can be used
to remove the need for the types to be accessible directly during runtime.
This module provides the False-y guard in a nicely named fashion so that a
curious maintainer can reach here to read this.
In pip, all static-typing related imports should be guarded as follows:
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import ... # noqa: F401
Ref: https://github.com/python/mypy/issues/3216
"""
MYPY_CHECK_RUNNING = False

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from __future__ import absolute_import, division
import contextlib
import itertools
import logging
import sys
import time
from signal import SIGINT, default_int_handler, signal
from pip._vendor import six
from pip._vendor.progress.bar import (
Bar, ChargingBar, FillingCirclesBar, FillingSquaresBar, IncrementalBar,
ShadyBar,
)
from pip._vendor.progress.helpers import HIDE_CURSOR, SHOW_CURSOR, WritelnMixin
from pip._vendor.progress.spinner import Spinner
from pip._internal.utils.compat import WINDOWS
from pip._internal.utils.logging import get_indentation
from pip._internal.utils.misc import format_size
from pip._internal.utils.typing import MYPY_CHECK_RUNNING
if MYPY_CHECK_RUNNING:
from typing import Any, Iterator, IO # noqa: F401
try:
from pip._vendor import colorama
# Lots of different errors can come from this, including SystemError and
# ImportError.
except Exception:
colorama = None
logger = logging.getLogger(__name__)
def _select_progress_class(preferred, fallback):
encoding = getattr(preferred.file, "encoding", None)
# If we don't know what encoding this file is in, then we'll just assume
# that it doesn't support unicode and use the ASCII bar.
if not encoding:
return fallback
# Collect all of the possible characters we want to use with the preferred
# bar.
characters = [
getattr(preferred, "empty_fill", six.text_type()),
getattr(preferred, "fill", six.text_type()),
]
characters += list(getattr(preferred, "phases", []))
# Try to decode the characters we're using for the bar using the encoding
# of the given file, if this works then we'll assume that we can use the
# fancier bar and if not we'll fall back to the plaintext bar.
try:
six.text_type().join(characters).encode(encoding)
except UnicodeEncodeError:
return fallback
else:
return preferred
_BaseBar = _select_progress_class(IncrementalBar, Bar) # type: Any
class InterruptibleMixin(object):
"""
Helper to ensure that self.finish() gets called on keyboard interrupt.
This allows downloads to be interrupted without leaving temporary state
(like hidden cursors) behind.
This class is similar to the progress library's existing SigIntMixin
helper, but as of version 1.2, that helper has the following problems:
1. It calls sys.exit().
2. It discards the existing SIGINT handler completely.
3. It leaves its own handler in place even after an uninterrupted finish,
which will have unexpected delayed effects if the user triggers an
unrelated keyboard interrupt some time after a progress-displaying
download has already completed, for example.
"""
def __init__(self, *args, **kwargs):
"""
Save the original SIGINT handler for later.
"""
super(InterruptibleMixin, self).__init__(*args, **kwargs)
self.original_handler = signal(SIGINT, self.handle_sigint)
# If signal() returns None, the previous handler was not installed from
# Python, and we cannot restore it. This probably should not happen,
# but if it does, we must restore something sensible instead, at least.
# The least bad option should be Python's default SIGINT handler, which
# just raises KeyboardInterrupt.
if self.original_handler is None:
self.original_handler = default_int_handler
def finish(self):
"""
Restore the original SIGINT handler after finishing.
This should happen regardless of whether the progress display finishes
normally, or gets interrupted.
"""
super(InterruptibleMixin, self).finish()
signal(SIGINT, self.original_handler)
def handle_sigint(self, signum, frame):
"""
Call self.finish() before delegating to the original SIGINT handler.
This handler should only be in place while the progress display is
active.
"""
self.finish()
self.original_handler(signum, frame)
class SilentBar(Bar):
def update(self):
pass
class BlueEmojiBar(IncrementalBar):
suffix = "%(percent)d%%"
bar_prefix = " "
bar_suffix = " "
phases = (u"\U0001F539", u"\U0001F537", u"\U0001F535") # type: Any
class DownloadProgressMixin(object):
def __init__(self, *args, **kwargs):
super(DownloadProgressMixin, self).__init__(*args, **kwargs)
self.message = (" " * (get_indentation() + 2)) + self.message
@property
def downloaded(self):
return format_size(self.index)
@property
def download_speed(self):
# Avoid zero division errors...
if self.avg == 0.0:
return "..."
return format_size(1 / self.avg) + "/s"
@property
def pretty_eta(self):
if self.eta:
return "eta %s" % self.eta_td
return ""
def iter(self, it, n=1):
for x in it:
yield x
self.next(n)
self.finish()
class WindowsMixin(object):
def __init__(self, *args, **kwargs):
# The Windows terminal does not support the hide/show cursor ANSI codes
# even with colorama. So we'll ensure that hide_cursor is False on
# Windows.
# This call neds to go before the super() call, so that hide_cursor
# is set in time. The base progress bar class writes the "hide cursor"
# code to the terminal in its init, so if we don't set this soon
# enough, we get a "hide" with no corresponding "show"...
if WINDOWS and self.hide_cursor:
self.hide_cursor = False
super(WindowsMixin, self).__init__(*args, **kwargs)
# Check if we are running on Windows and we have the colorama module,
# if we do then wrap our file with it.
if WINDOWS and colorama:
self.file = colorama.AnsiToWin32(self.file)
# The progress code expects to be able to call self.file.isatty()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.isatty = lambda: self.file.wrapped.isatty()
# The progress code expects to be able to call self.file.flush()
# but the colorama.AnsiToWin32() object doesn't have that, so we'll
# add it.
self.file.flush = lambda: self.file.wrapped.flush()
class BaseDownloadProgressBar(WindowsMixin, InterruptibleMixin,
DownloadProgressMixin):
file = sys.stdout
message = "%(percent)d%%"
suffix = "%(downloaded)s %(download_speed)s %(pretty_eta)s"
# NOTE: The "type: ignore" comments on the following classes are there to
# work around https://github.com/python/typing/issues/241
class DefaultDownloadProgressBar(BaseDownloadProgressBar,
_BaseBar):
pass
class DownloadSilentBar(BaseDownloadProgressBar, SilentBar): # type: ignore
pass
class DownloadIncrementalBar(BaseDownloadProgressBar, # type: ignore
IncrementalBar):
pass
class DownloadChargingBar(BaseDownloadProgressBar, # type: ignore
ChargingBar):
pass
class DownloadShadyBar(BaseDownloadProgressBar, ShadyBar): # type: ignore
pass
class DownloadFillingSquaresBar(BaseDownloadProgressBar, # type: ignore
FillingSquaresBar):
pass
class DownloadFillingCirclesBar(BaseDownloadProgressBar, # type: ignore
FillingCirclesBar):
pass
class DownloadBlueEmojiProgressBar(BaseDownloadProgressBar, # type: ignore
BlueEmojiBar):
pass
class DownloadProgressSpinner(WindowsMixin, InterruptibleMixin,
DownloadProgressMixin, WritelnMixin, Spinner):
file = sys.stdout
suffix = "%(downloaded)s %(download_speed)s"
def next_phase(self):
if not hasattr(self, "_phaser"):
self._phaser = itertools.cycle(self.phases)
return next(self._phaser)
def update(self):
message = self.message % self
phase = self.next_phase()
suffix = self.suffix % self
line = ''.join([
message,
" " if message else "",
phase,
" " if suffix else "",
suffix,
])
self.writeln(line)
BAR_TYPES = {
"off": (DownloadSilentBar, DownloadSilentBar),
"on": (DefaultDownloadProgressBar, DownloadProgressSpinner),
"ascii": (DownloadIncrementalBar, DownloadProgressSpinner),
"pretty": (DownloadFillingCirclesBar, DownloadProgressSpinner),
"emoji": (DownloadBlueEmojiProgressBar, DownloadProgressSpinner)
}
def DownloadProgressProvider(progress_bar, max=None):
if max is None or max == 0:
return BAR_TYPES[progress_bar][1]().iter
else:
return BAR_TYPES[progress_bar][0](max=max).iter
################################################################
# Generic "something is happening" spinners
#
# We don't even try using progress.spinner.Spinner here because it's actually
# simpler to reimplement from scratch than to coerce their code into doing
# what we need.
################################################################
@contextlib.contextmanager
def hidden_cursor(file):
# type: (IO) -> Iterator[None]
# The Windows terminal does not support the hide/show cursor ANSI codes,
# even via colorama. So don't even try.
if WINDOWS:
yield
# We don't want to clutter the output with control characters if we're
# writing to a file, or if the user is running with --quiet.
# See https://github.com/pypa/pip/issues/3418
elif not file.isatty() or logger.getEffectiveLevel() > logging.INFO:
yield
else:
file.write(HIDE_CURSOR)
try:
yield
finally:
file.write(SHOW_CURSOR)
class RateLimiter(object):
def __init__(self, min_update_interval_seconds):
# type: (float) -> None
self._min_update_interval_seconds = min_update_interval_seconds
self._last_update = 0 # type: float
def ready(self):
# type: () -> bool
now = time.time()
delta = now - self._last_update
return delta >= self._min_update_interval_seconds
def reset(self):
# type: () -> None
self._last_update = time.time()
class SpinnerInterface(object):
def spin(self):
# type: () -> None
raise NotImplementedError()
def finish(self, final_status):
# type: (str) -> None
raise NotImplementedError()
class InteractiveSpinner(SpinnerInterface):
def __init__(self, message, file=None, spin_chars="-\\|/",
# Empirically, 8 updates/second looks nice
min_update_interval_seconds=0.125):
self._message = message
if file is None:
file = sys.stdout
self._file = file
self._rate_limiter = RateLimiter(min_update_interval_seconds)
self._finished = False
self._spin_cycle = itertools.cycle(spin_chars)
self._file.write(" " * get_indentation() + self._message + " ... ")
self._width = 0
def _write(self, status):
assert not self._finished
# Erase what we wrote before by backspacing to the beginning, writing
# spaces to overwrite the old text, and then backspacing again
backup = "\b" * self._width
self._file.write(backup + " " * self._width + backup)
# Now we have a blank slate to add our status
self._file.write(status)
self._width = len(status)
self._file.flush()
self._rate_limiter.reset()
def spin(self):
# type: () -> None
if self._finished:
return
if not self._rate_limiter.ready():
return
self._write(next(self._spin_cycle))
def finish(self, final_status):
# type: (str) -> None
if self._finished:
return
self._write(final_status)
self._file.write("\n")
self._file.flush()
self._finished = True
# Used for dumb terminals, non-interactive installs (no tty), etc.
# We still print updates occasionally (once every 60 seconds by default) to
# act as a keep-alive for systems like Travis-CI that take lack-of-output as
# an indication that a task has frozen.
class NonInteractiveSpinner(SpinnerInterface):
def __init__(self, message, min_update_interval_seconds=60):
# type: (str, float) -> None
self._message = message
self._finished = False
self._rate_limiter = RateLimiter(min_update_interval_seconds)
self._update("started")
def _update(self, status):
assert not self._finished
self._rate_limiter.reset()
logger.info("%s: %s", self._message, status)
def spin(self):
# type: () -> None
if self._finished:
return
if not self._rate_limiter.ready():
return
self._update("still running...")
def finish(self, final_status):
# type: (str) -> None
if self._finished:
return
self._update("finished with status '%s'" % (final_status,))
self._finished = True
@contextlib.contextmanager
def open_spinner(message):
# type: (str) -> Iterator[SpinnerInterface]
# Interactive spinner goes directly to sys.stdout rather than being routed
# through the logging system, but it acts like it has level INFO,
# i.e. it's only displayed if we're at level INFO or better.
# Non-interactive spinner goes through the logging system, so it is always
# in sync with logging configuration.
if sys.stdout.isatty() and logger.getEffectiveLevel() <= logging.INFO:
spinner = InteractiveSpinner(message) # type: SpinnerInterface
else:
spinner = NonInteractiveSpinner(message)
try:
with hidden_cursor(sys.stdout):
yield spinner
except KeyboardInterrupt:
spinner.finish("canceled")
raise
except Exception:
spinner.finish("error")
raise
else:
spinner.finish("done")

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