forked from s434650/CatOrNot
317 lines
11 KiB
Python
317 lines
11 KiB
Python
![]() |
# This file originally from pip:
|
||
|
# https://github.com/pypa/pip/blob/8f4f15a5a95d7d5b511ceaee9ed261176c181970/src/pip/_internal/pep425tags.py
|
||
|
"""Generate and work with PEP 425 Compatibility Tags."""
|
||
|
from __future__ import absolute_import
|
||
|
|
||
|
import distutils.util
|
||
|
import platform
|
||
|
import re
|
||
|
import sys
|
||
|
import sysconfig
|
||
|
import warnings
|
||
|
from collections import OrderedDict
|
||
|
|
||
|
from . import glibc
|
||
|
|
||
|
_osx_arch_pat = re.compile(r'(.+)_(\d+)_(\d+)_(.+)')
|
||
|
|
||
|
|
||
|
def get_config_var(var):
|
||
|
try:
|
||
|
return sysconfig.get_config_var(var)
|
||
|
except IOError as e: # Issue #1074
|
||
|
warnings.warn("{}".format(e), RuntimeWarning)
|
||
|
return None
|
||
|
|
||
|
|
||
|
def get_abbr_impl():
|
||
|
"""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():
|
||
|
"""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():
|
||
|
"""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
|
||
|
return (sys.version_info[0], sys.pypy_version_info.major,
|
||
|
sys.pypy_version_info.minor)
|
||
|
else:
|
||
|
return sys.version_info[0], sys.version_info[1]
|
||
|
|
||
|
|
||
|
def get_impl_tag():
|
||
|
"""
|
||
|
Returns the Tag for this specific implementation.
|
||
|
"""
|
||
|
return "{}{}".format(get_abbr_impl(), get_impl_ver())
|
||
|
|
||
|
|
||
|
def get_flag(var, fallback, expected=True, warn=True):
|
||
|
"""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:
|
||
|
warnings.warn("Config variable '{0}' is unset, Python ABI tag may "
|
||
|
"be incorrect".format(var), RuntimeWarning, 2)
|
||
|
return fallback()
|
||
|
return val == expected
|
||
|
|
||
|
|
||
|
def get_abi_tag():
|
||
|
"""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():
|
||
|
return sys.maxsize == 2147483647
|
||
|
|
||
|
|
||
|
def get_platform():
|
||
|
"""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():
|
||
|
# 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 glibc.have_compatible_glibc(2, 5)
|
||
|
|
||
|
|
||
|
def get_darwin_arches(major, minor, machine):
|
||
|
"""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):
|
||
|
# 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")),
|
||
|
])
|
||
|
|
||
|
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_supported(versions=None, noarch=False, platform=None,
|
||
|
impl=None, abi=None):
|
||
|
"""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:
|
||
|
versions = []
|
||
|
version_info = get_impl_version_info()
|
||
|
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,))))
|
||
|
|
||
|
impl = impl or get_abbr_impl()
|
||
|
|
||
|
abis = []
|
||
|
|
||
|
abi = abi or get_abi_tag()
|
||
|
if abi:
|
||
|
abis[0:0] = [abi]
|
||
|
|
||
|
abi3s = set()
|
||
|
import imp
|
||
|
for suffix in imp.get_suffixes():
|
||
|
if suffix[0].startswith('.abi'):
|
||
|
abi3s.add(suffix[0].split('.', 2)[1])
|
||
|
|
||
|
abis.extend(sorted(list(abi3s)))
|
||
|
|
||
|
abis.append('none')
|
||
|
|
||
|
if not noarch:
|
||
|
arch = platform or get_platform()
|
||
|
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 platform is None and is_manylinux1_compatible():
|
||
|
arches = [arch.replace('linux', 'manylinux1'), 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()
|