1205 lines
45 KiB
Python
1205 lines
45 KiB
Python
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from __future__ import absolute_import
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import logging
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import os
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import re
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import shutil
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import sys
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import tempfile
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import traceback
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import warnings
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import zipfile
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from distutils import sysconfig
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from distutils.util import change_root
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from email.parser import FeedParser
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from pip._vendor import pkg_resources, six
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from pip._vendor.packaging import specifiers
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from pip._vendor.packaging.markers import Marker
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from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
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from pip._vendor.packaging.utils import canonicalize_name
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from pip._vendor.packaging.version import Version, parse as parse_version
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from pip._vendor.six.moves import configparser
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import pip.wheel
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from pip.compat import native_str, get_stdlib, WINDOWS
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from pip.download import is_url, url_to_path, path_to_url, is_archive_file
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from pip.exceptions import (
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InstallationError, UninstallationError,
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)
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from pip.locations import (
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bin_py, running_under_virtualenv, PIP_DELETE_MARKER_FILENAME, bin_user,
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)
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from pip.utils import (
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display_path, rmtree, ask_path_exists, backup_dir, is_installable_dir,
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dist_in_usersite, dist_in_site_packages, egg_link_path,
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call_subprocess, read_text_file, FakeFile, _make_build_dir, ensure_dir,
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get_installed_version, normalize_path, dist_is_local,
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)
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from pip.utils.hashes import Hashes
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from pip.utils.deprecation import RemovedInPip10Warning
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from pip.utils.logging import indent_log
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from pip.utils.setuptools_build import SETUPTOOLS_SHIM
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from pip.utils.ui import open_spinner
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from pip.req.req_uninstall import UninstallPathSet
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from pip.vcs import vcs
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from pip.wheel import move_wheel_files, Wheel
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logger = logging.getLogger(__name__)
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operators = specifiers.Specifier._operators.keys()
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def _strip_extras(path):
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m = re.match(r'^(.+)(\[[^\]]+\])$', path)
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extras = None
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if m:
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path_no_extras = m.group(1)
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extras = m.group(2)
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else:
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path_no_extras = path
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return path_no_extras, extras
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def _safe_extras(extras):
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return set(pkg_resources.safe_extra(extra) for extra in extras)
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class InstallRequirement(object):
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def __init__(self, req, comes_from, source_dir=None, editable=False,
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link=None, as_egg=False, update=True,
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pycompile=True, markers=None, isolated=False, options=None,
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wheel_cache=None, constraint=False):
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self.extras = ()
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if isinstance(req, six.string_types):
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try:
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req = Requirement(req)
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except InvalidRequirement:
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if os.path.sep in req:
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add_msg = "It looks like a path. Does it exist ?"
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elif '=' in req and not any(op in req for op in operators):
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add_msg = "= is not a valid operator. Did you mean == ?"
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else:
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add_msg = traceback.format_exc()
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raise InstallationError(
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"Invalid requirement: '%s'\n%s" % (req, add_msg))
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self.extras = _safe_extras(req.extras)
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self.req = req
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self.comes_from = comes_from
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self.constraint = constraint
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self.source_dir = source_dir
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self.editable = editable
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self._wheel_cache = wheel_cache
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self.link = self.original_link = link
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self.as_egg = as_egg
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if markers is not None:
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self.markers = markers
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else:
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self.markers = req and req.marker
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self._egg_info_path = None
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# This holds the pkg_resources.Distribution object if this requirement
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# is already available:
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self.satisfied_by = None
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# This hold the pkg_resources.Distribution object if this requirement
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# conflicts with another installed distribution:
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self.conflicts_with = None
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# Temporary build location
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self._temp_build_dir = None
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# Used to store the global directory where the _temp_build_dir should
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# have been created. Cf _correct_build_location method.
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self._ideal_build_dir = None
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# True if the editable should be updated:
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self.update = update
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# Set to True after successful installation
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self.install_succeeded = None
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# UninstallPathSet of uninstalled distribution (for possible rollback)
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self.uninstalled = None
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# Set True if a legitimate do-nothing-on-uninstall has happened - e.g.
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# system site packages, stdlib packages.
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self.nothing_to_uninstall = False
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self.use_user_site = False
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self.target_dir = None
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self.options = options if options else {}
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self.pycompile = pycompile
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# Set to True after successful preparation of this requirement
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self.prepared = False
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self.isolated = isolated
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@classmethod
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def from_editable(cls, editable_req, comes_from=None, default_vcs=None,
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isolated=False, options=None, wheel_cache=None,
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constraint=False):
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from pip.index import Link
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name, url, extras_override = parse_editable(
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editable_req, default_vcs)
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if url.startswith('file:'):
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source_dir = url_to_path(url)
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else:
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source_dir = None
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res = cls(name, comes_from, source_dir=source_dir,
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editable=True,
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link=Link(url),
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constraint=constraint,
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isolated=isolated,
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options=options if options else {},
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wheel_cache=wheel_cache)
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if extras_override is not None:
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res.extras = _safe_extras(extras_override)
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return res
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@classmethod
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def from_line(
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cls, name, comes_from=None, isolated=False, options=None,
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wheel_cache=None, constraint=False):
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"""Creates an InstallRequirement from a name, which might be a
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requirement, directory containing 'setup.py', filename, or URL.
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"""
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from pip.index import Link
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if is_url(name):
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marker_sep = '; '
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else:
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marker_sep = ';'
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if marker_sep in name:
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name, markers = name.split(marker_sep, 1)
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markers = markers.strip()
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if not markers:
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markers = None
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else:
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markers = Marker(markers)
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else:
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markers = None
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name = name.strip()
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req = None
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path = os.path.normpath(os.path.abspath(name))
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link = None
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extras = None
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if is_url(name):
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link = Link(name)
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else:
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p, extras = _strip_extras(path)
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if (os.path.isdir(p) and
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(os.path.sep in name or name.startswith('.'))):
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if not is_installable_dir(p):
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raise InstallationError(
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"Directory %r is not installable. File 'setup.py' "
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"not found." % name
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)
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link = Link(path_to_url(p))
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elif is_archive_file(p):
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if not os.path.isfile(p):
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logger.warning(
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'Requirement %r looks like a filename, but the '
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'file does not exist',
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name
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)
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link = Link(path_to_url(p))
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# it's a local file, dir, or url
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if link:
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# Handle relative file URLs
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if link.scheme == 'file' and re.search(r'\.\./', link.url):
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link = Link(
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path_to_url(os.path.normpath(os.path.abspath(link.path))))
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# wheel file
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if link.is_wheel:
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wheel = Wheel(link.filename) # can raise InvalidWheelFilename
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req = "%s==%s" % (wheel.name, wheel.version)
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else:
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# set the req to the egg fragment. when it's not there, this
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# will become an 'unnamed' requirement
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req = link.egg_fragment
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# a requirement specifier
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else:
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req = name
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options = options if options else {}
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res = cls(req, comes_from, link=link, markers=markers,
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isolated=isolated, options=options,
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wheel_cache=wheel_cache, constraint=constraint)
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if extras:
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res.extras = _safe_extras(
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Requirement('placeholder' + extras).extras)
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return res
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def __str__(self):
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if self.req:
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s = str(self.req)
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if self.link:
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s += ' from %s' % self.link.url
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else:
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s = self.link.url if self.link else None
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if self.satisfied_by is not None:
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s += ' in %s' % display_path(self.satisfied_by.location)
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if self.comes_from:
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if isinstance(self.comes_from, six.string_types):
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comes_from = self.comes_from
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else:
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comes_from = self.comes_from.from_path()
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if comes_from:
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s += ' (from %s)' % comes_from
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return s
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def __repr__(self):
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return '<%s object: %s editable=%r>' % (
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self.__class__.__name__, str(self), self.editable)
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def populate_link(self, finder, upgrade, require_hashes):
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"""Ensure that if a link can be found for this, that it is found.
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Note that self.link may still be None - if Upgrade is False and the
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requirement is already installed.
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If require_hashes is True, don't use the wheel cache, because cached
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wheels, always built locally, have different hashes than the files
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downloaded from the index server and thus throw false hash mismatches.
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Furthermore, cached wheels at present have undeterministic contents due
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to file modification times.
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"""
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if self.link is None:
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self.link = finder.find_requirement(self, upgrade)
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if self._wheel_cache is not None and not require_hashes:
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old_link = self.link
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self.link = self._wheel_cache.cached_wheel(self.link, self.name)
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if old_link != self.link:
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logger.debug('Using cached wheel link: %s', self.link)
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@property
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def specifier(self):
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return self.req.specifier
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@property
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def is_pinned(self):
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"""Return whether I am pinned to an exact version.
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For example, some-package==1.2 is pinned; some-package>1.2 is not.
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"""
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specifiers = self.specifier
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return (len(specifiers) == 1 and
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next(iter(specifiers)).operator in ('==', '==='))
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def from_path(self):
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if self.req is None:
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return None
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s = str(self.req)
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if self.comes_from:
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if isinstance(self.comes_from, six.string_types):
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comes_from = self.comes_from
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else:
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comes_from = self.comes_from.from_path()
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if comes_from:
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s += '->' + comes_from
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return s
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def build_location(self, build_dir):
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if self._temp_build_dir is not None:
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return self._temp_build_dir
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if self.req is None:
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# for requirement via a path to a directory: the name of the
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# package is not available yet so we create a temp directory
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# Once run_egg_info will have run, we'll be able
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# to fix it via _correct_build_location
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# Some systems have /tmp as a symlink which confuses custom
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# builds (such as numpy). Thus, we ensure that the real path
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# is returned.
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self._temp_build_dir = os.path.realpath(
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tempfile.mkdtemp('-build', 'pip-')
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)
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self._ideal_build_dir = build_dir
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return self._temp_build_dir
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if self.editable:
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name = self.name.lower()
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else:
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name = self.name
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# FIXME: Is there a better place to create the build_dir? (hg and bzr
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# need this)
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if not os.path.exists(build_dir):
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logger.debug('Creating directory %s', build_dir)
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_make_build_dir(build_dir)
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return os.path.join(build_dir, name)
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def _correct_build_location(self):
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"""Move self._temp_build_dir to self._ideal_build_dir/self.req.name
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For some requirements (e.g. a path to a directory), the name of the
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package is not available until we run egg_info, so the build_location
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will return a temporary directory and store the _ideal_build_dir.
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This is only called by self.egg_info_path to fix the temporary build
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directory.
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"""
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if self.source_dir is not None:
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return
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assert self.req is not None
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assert self._temp_build_dir
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assert self._ideal_build_dir
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old_location = self._temp_build_dir
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self._temp_build_dir = None
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new_location = self.build_location(self._ideal_build_dir)
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if os.path.exists(new_location):
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raise InstallationError(
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'A package already exists in %s; please remove it to continue'
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% display_path(new_location))
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logger.debug(
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'Moving package %s from %s to new location %s',
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self, display_path(old_location), display_path(new_location),
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)
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shutil.move(old_location, new_location)
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self._temp_build_dir = new_location
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self._ideal_build_dir = None
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self.source_dir = new_location
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self._egg_info_path = None
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@property
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def name(self):
|
||
|
|
if self.req is None:
|
||
|
|
return None
|
||
|
|
return native_str(pkg_resources.safe_name(self.req.name))
|
||
|
|
|
||
|
|
@property
|
||
|
|
def setup_py_dir(self):
|
||
|
|
return os.path.join(
|
||
|
|
self.source_dir,
|
||
|
|
self.link and self.link.subdirectory_fragment or '')
|
||
|
|
|
||
|
|
@property
|
||
|
|
def setup_py(self):
|
||
|
|
assert self.source_dir, "No source dir for %s" % self
|
||
|
|
try:
|
||
|
|
import setuptools # noqa
|
||
|
|
except ImportError:
|
||
|
|
if get_installed_version('setuptools') is None:
|
||
|
|
add_msg = "Please install setuptools."
|
||
|
|
else:
|
||
|
|
add_msg = traceback.format_exc()
|
||
|
|
# Setuptools is not available
|
||
|
|
raise InstallationError(
|
||
|
|
"Could not import setuptools which is required to "
|
||
|
|
"install from a source distribution.\n%s" % add_msg
|
||
|
|
)
|
||
|
|
|
||
|
|
setup_py = os.path.join(self.setup_py_dir, 'setup.py')
|
||
|
|
|
||
|
|
# Python2 __file__ should not be unicode
|
||
|
|
if six.PY2 and isinstance(setup_py, six.text_type):
|
||
|
|
setup_py = setup_py.encode(sys.getfilesystemencoding())
|
||
|
|
|
||
|
|
return setup_py
|
||
|
|
|
||
|
|
def run_egg_info(self):
|
||
|
|
assert self.source_dir
|
||
|
|
if self.name:
|
||
|
|
logger.debug(
|
||
|
|
'Running setup.py (path:%s) egg_info for package %s',
|
||
|
|
self.setup_py, self.name,
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
logger.debug(
|
||
|
|
'Running setup.py (path:%s) egg_info for package from %s',
|
||
|
|
self.setup_py, self.link,
|
||
|
|
)
|
||
|
|
|
||
|
|
with indent_log():
|
||
|
|
script = SETUPTOOLS_SHIM % self.setup_py
|
||
|
|
base_cmd = [sys.executable, '-c', script]
|
||
|
|
if self.isolated:
|
||
|
|
base_cmd += ["--no-user-cfg"]
|
||
|
|
egg_info_cmd = base_cmd + ['egg_info']
|
||
|
|
# We can't put the .egg-info files at the root, because then the
|
||
|
|
# source code will be mistaken for an installed egg, causing
|
||
|
|
# problems
|
||
|
|
if self.editable:
|
||
|
|
egg_base_option = []
|
||
|
|
else:
|
||
|
|
egg_info_dir = os.path.join(self.setup_py_dir, 'pip-egg-info')
|
||
|
|
ensure_dir(egg_info_dir)
|
||
|
|
egg_base_option = ['--egg-base', 'pip-egg-info']
|
||
|
|
call_subprocess(
|
||
|
|
egg_info_cmd + egg_base_option,
|
||
|
|
cwd=self.setup_py_dir,
|
||
|
|
show_stdout=False,
|
||
|
|
command_desc='python setup.py egg_info')
|
||
|
|
|
||
|
|
if not self.req:
|
||
|
|
if isinstance(parse_version(self.pkg_info()["Version"]), Version):
|
||
|
|
op = "=="
|
||
|
|
else:
|
||
|
|
op = "==="
|
||
|
|
self.req = Requirement(
|
||
|
|
"".join([
|
||
|
|
self.pkg_info()["Name"],
|
||
|
|
op,
|
||
|
|
self.pkg_info()["Version"],
|
||
|
|
])
|
||
|
|
)
|
||
|
|
self._correct_build_location()
|
||
|
|
else:
|
||
|
|
metadata_name = canonicalize_name(self.pkg_info()["Name"])
|
||
|
|
if canonicalize_name(self.req.name) != metadata_name:
|
||
|
|
logger.warning(
|
||
|
|
'Running setup.py (path:%s) egg_info for package %s '
|
||
|
|
'produced metadata for project name %s. Fix your '
|
||
|
|
'#egg=%s fragments.',
|
||
|
|
self.setup_py, self.name, metadata_name, self.name
|
||
|
|
)
|
||
|
|
self.req = Requirement(metadata_name)
|
||
|
|
|
||
|
|
def egg_info_data(self, filename):
|
||
|
|
if self.satisfied_by is not None:
|
||
|
|
if not self.satisfied_by.has_metadata(filename):
|
||
|
|
return None
|
||
|
|
return self.satisfied_by.get_metadata(filename)
|
||
|
|
assert self.source_dir
|
||
|
|
filename = self.egg_info_path(filename)
|
||
|
|
if not os.path.exists(filename):
|
||
|
|
return None
|
||
|
|
data = read_text_file(filename)
|
||
|
|
return data
|
||
|
|
|
||
|
|
def egg_info_path(self, filename):
|
||
|
|
if self._egg_info_path is None:
|
||
|
|
if self.editable:
|
||
|
|
base = self.source_dir
|
||
|
|
else:
|
||
|
|
base = os.path.join(self.setup_py_dir, 'pip-egg-info')
|
||
|
|
filenames = os.listdir(base)
|
||
|
|
if self.editable:
|
||
|
|
filenames = []
|
||
|
|
for root, dirs, files in os.walk(base):
|
||
|
|
for dir in vcs.dirnames:
|
||
|
|
if dir in dirs:
|
||
|
|
dirs.remove(dir)
|
||
|
|
# Iterate over a copy of ``dirs``, since mutating
|
||
|
|
# a list while iterating over it can cause trouble.
|
||
|
|
# (See https://github.com/pypa/pip/pull/462.)
|
||
|
|
for dir in list(dirs):
|
||
|
|
# Don't search in anything that looks like a virtualenv
|
||
|
|
# environment
|
||
|
|
if (
|
||
|
|
os.path.lexists(
|
||
|
|
os.path.join(root, dir, 'bin', 'python')
|
||
|
|
) or
|
||
|
|
os.path.exists(
|
||
|
|
os.path.join(
|
||
|
|
root, dir, 'Scripts', 'Python.exe'
|
||
|
|
)
|
||
|
|
)):
|
||
|
|
dirs.remove(dir)
|
||
|
|
# Also don't search through tests
|
||
|
|
elif dir == 'test' or dir == 'tests':
|
||
|
|
dirs.remove(dir)
|
||
|
|
filenames.extend([os.path.join(root, dir)
|
||
|
|
for dir in dirs])
|
||
|
|
filenames = [f for f in filenames if f.endswith('.egg-info')]
|
||
|
|
|
||
|
|
if not filenames:
|
||
|
|
raise InstallationError(
|
||
|
|
'No files/directories in %s (from %s)' % (base, filename)
|
||
|
|
)
|
||
|
|
assert filenames, \
|
||
|
|
"No files/directories in %s (from %s)" % (base, filename)
|
||
|
|
|
||
|
|
# if we have more than one match, we pick the toplevel one. This
|
||
|
|
# can easily be the case if there is a dist folder which contains
|
||
|
|
# an extracted tarball for testing purposes.
|
||
|
|
if len(filenames) > 1:
|
||
|
|
filenames.sort(
|
||
|
|
key=lambda x: x.count(os.path.sep) +
|
||
|
|
(os.path.altsep and x.count(os.path.altsep) or 0)
|
||
|
|
)
|
||
|
|
self._egg_info_path = os.path.join(base, filenames[0])
|
||
|
|
return os.path.join(self._egg_info_path, filename)
|
||
|
|
|
||
|
|
def pkg_info(self):
|
||
|
|
p = FeedParser()
|
||
|
|
data = self.egg_info_data('PKG-INFO')
|
||
|
|
if not data:
|
||
|
|
logger.warning(
|
||
|
|
'No PKG-INFO file found in %s',
|
||
|
|
display_path(self.egg_info_path('PKG-INFO')),
|
||
|
|
)
|
||
|
|
p.feed(data or '')
|
||
|
|
return p.close()
|
||
|
|
|
||
|
|
_requirements_section_re = re.compile(r'\[(.*?)\]')
|
||
|
|
|
||
|
|
@property
|
||
|
|
def installed_version(self):
|
||
|
|
return get_installed_version(self.name)
|
||
|
|
|
||
|
|
def assert_source_matches_version(self):
|
||
|
|
assert self.source_dir
|
||
|
|
version = self.pkg_info()['version']
|
||
|
|
if self.req.specifier and version not in self.req.specifier:
|
||
|
|
logger.warning(
|
||
|
|
'Requested %s, but installing version %s',
|
||
|
|
self,
|
||
|
|
self.installed_version,
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
logger.debug(
|
||
|
|
'Source in %s has version %s, which satisfies requirement %s',
|
||
|
|
display_path(self.source_dir),
|
||
|
|
version,
|
||
|
|
self,
|
||
|
|
)
|
||
|
|
|
||
|
|
def update_editable(self, obtain=True):
|
||
|
|
if not self.link:
|
||
|
|
logger.debug(
|
||
|
|
"Cannot update repository at %s; repository location is "
|
||
|
|
"unknown",
|
||
|
|
self.source_dir,
|
||
|
|
)
|
||
|
|
return
|
||
|
|
assert self.editable
|
||
|
|
assert self.source_dir
|
||
|
|
if self.link.scheme == 'file':
|
||
|
|
# Static paths don't get updated
|
||
|
|
return
|
||
|
|
assert '+' in self.link.url, "bad url: %r" % self.link.url
|
||
|
|
if not self.update:
|
||
|
|
return
|
||
|
|
vc_type, url = self.link.url.split('+', 1)
|
||
|
|
backend = vcs.get_backend(vc_type)
|
||
|
|
if backend:
|
||
|
|
vcs_backend = backend(self.link.url)
|
||
|
|
if obtain:
|
||
|
|
vcs_backend.obtain(self.source_dir)
|
||
|
|
else:
|
||
|
|
vcs_backend.export(self.source_dir)
|
||
|
|
else:
|
||
|
|
assert 0, (
|
||
|
|
'Unexpected version control type (in %s): %s'
|
||
|
|
% (self.link, vc_type))
|
||
|
|
|
||
|
|
def uninstall(self, auto_confirm=False):
|
||
|
|
"""
|
||
|
|
Uninstall the distribution currently satisfying this requirement.
|
||
|
|
|
||
|
|
Prompts before removing or modifying files unless
|
||
|
|
``auto_confirm`` is True.
|
||
|
|
|
||
|
|
Refuses to delete or modify files outside of ``sys.prefix`` -
|
||
|
|
thus uninstallation within a virtual environment can only
|
||
|
|
modify that virtual environment, even if the virtualenv is
|
||
|
|
linked to global site-packages.
|
||
|
|
|
||
|
|
"""
|
||
|
|
if not self.check_if_exists():
|
||
|
|
raise UninstallationError(
|
||
|
|
"Cannot uninstall requirement %s, not installed" % (self.name,)
|
||
|
|
)
|
||
|
|
dist = self.satisfied_by or self.conflicts_with
|
||
|
|
|
||
|
|
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,
|
||
|
|
)
|
||
|
|
self.nothing_to_uninstall = True
|
||
|
|
return
|
||
|
|
|
||
|
|
if dist_path in get_stdlib():
|
||
|
|
logger.info(
|
||
|
|
"Not uninstalling %s at %s, as it is in the standard library.",
|
||
|
|
dist.key,
|
||
|
|
dist_path,
|
||
|
|
)
|
||
|
|
self.nothing_to_uninstall = True
|
||
|
|
return
|
||
|
|
|
||
|
|
paths_to_remove = UninstallPathSet(dist)
|
||
|
|
develop_egg_link = egg_link_path(dist)
|
||
|
|
develop_egg_link_egg_info = '{0}.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:
|
||
|
|
warnings.warn(
|
||
|
|
"Uninstalling a distutils installed project ({0}) has been "
|
||
|
|
"deprecated and will be removed in a future version. This is "
|
||
|
|
"due to the fact that uninstalling a distutils project will "
|
||
|
|
"only partially uninstall the project.".format(self.name),
|
||
|
|
RemovedInPip10Warning,
|
||
|
|
)
|
||
|
|
paths_to_remove.add(distutils_egg_info)
|
||
|
|
|
||
|
|
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 pip.wheel.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, self.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
|
||
|
|
if dist.has_metadata('entry_points.txt'):
|
||
|
|
if six.PY2:
|
||
|
|
options = {}
|
||
|
|
else:
|
||
|
|
options = {"delimiters": ('=', )}
|
||
|
|
config = configparser.SafeConfigParser(**options)
|
||
|
|
config.readfp(
|
||
|
|
FakeFile(dist.get_metadata_lines('entry_points.txt'))
|
||
|
|
)
|
||
|
|
if config.has_section('console_scripts'):
|
||
|
|
for name, value in config.items('console_scripts'):
|
||
|
|
if dist_in_usersite(dist):
|
||
|
|
bin_dir = bin_user
|
||
|
|
else:
|
||
|
|
bin_dir = bin_py
|
||
|
|
paths_to_remove.add(os.path.join(bin_dir, name))
|
||
|
|
if WINDOWS:
|
||
|
|
paths_to_remove.add(
|
||
|
|
os.path.join(bin_dir, name) + '.exe'
|
||
|
|
)
|
||
|
|
paths_to_remove.add(
|
||
|
|
os.path.join(bin_dir, name) + '.exe.manifest'
|
||
|
|
)
|
||
|
|
paths_to_remove.add(
|
||
|
|
os.path.join(bin_dir, name) + '-script.py'
|
||
|
|
)
|
||
|
|
|
||
|
|
paths_to_remove.remove(auto_confirm)
|
||
|
|
self.uninstalled = paths_to_remove
|
||
|
|
|
||
|
|
def rollback_uninstall(self):
|
||
|
|
if self.uninstalled:
|
||
|
|
self.uninstalled.rollback()
|
||
|
|
else:
|
||
|
|
logger.error(
|
||
|
|
"Can't rollback %s, nothing uninstalled.", self.name,
|
||
|
|
)
|
||
|
|
|
||
|
|
def commit_uninstall(self):
|
||
|
|
if self.uninstalled:
|
||
|
|
self.uninstalled.commit()
|
||
|
|
elif not self.nothing_to_uninstall:
|
||
|
|
logger.error(
|
||
|
|
"Can't commit %s, nothing uninstalled.", self.name,
|
||
|
|
)
|
||
|
|
|
||
|
|
def archive(self, build_dir):
|
||
|
|
assert self.source_dir
|
||
|
|
create_archive = True
|
||
|
|
archive_name = '%s-%s.zip' % (self.name, self.pkg_info()["version"])
|
||
|
|
archive_path = os.path.join(build_dir, archive_name)
|
||
|
|
if os.path.exists(archive_path):
|
||
|
|
response = ask_path_exists(
|
||
|
|
'The file %s exists. (i)gnore, (w)ipe, (b)ackup, (a)bort ' %
|
||
|
|
display_path(archive_path), ('i', 'w', 'b', 'a'))
|
||
|
|
if response == 'i':
|
||
|
|
create_archive = False
|
||
|
|
elif response == 'w':
|
||
|
|
logger.warning('Deleting %s', display_path(archive_path))
|
||
|
|
os.remove(archive_path)
|
||
|
|
elif response == 'b':
|
||
|
|
dest_file = backup_dir(archive_path)
|
||
|
|
logger.warning(
|
||
|
|
'Backing up %s to %s',
|
||
|
|
display_path(archive_path),
|
||
|
|
display_path(dest_file),
|
||
|
|
)
|
||
|
|
shutil.move(archive_path, dest_file)
|
||
|
|
elif response == 'a':
|
||
|
|
sys.exit(-1)
|
||
|
|
if create_archive:
|
||
|
|
zip = zipfile.ZipFile(
|
||
|
|
archive_path, 'w', zipfile.ZIP_DEFLATED,
|
||
|
|
allowZip64=True
|
||
|
|
)
|
||
|
|
dir = os.path.normcase(os.path.abspath(self.setup_py_dir))
|
||
|
|
for dirpath, dirnames, filenames in os.walk(dir):
|
||
|
|
if 'pip-egg-info' in dirnames:
|
||
|
|
dirnames.remove('pip-egg-info')
|
||
|
|
for dirname in dirnames:
|
||
|
|
dirname = os.path.join(dirpath, dirname)
|
||
|
|
name = self._clean_zip_name(dirname, dir)
|
||
|
|
zipdir = zipfile.ZipInfo(self.name + '/' + name + '/')
|
||
|
|
zipdir.external_attr = 0x1ED << 16 # 0o755
|
||
|
|
zip.writestr(zipdir, '')
|
||
|
|
for filename in filenames:
|
||
|
|
if filename == PIP_DELETE_MARKER_FILENAME:
|
||
|
|
continue
|
||
|
|
filename = os.path.join(dirpath, filename)
|
||
|
|
name = self._clean_zip_name(filename, dir)
|
||
|
|
zip.write(filename, self.name + '/' + name)
|
||
|
|
zip.close()
|
||
|
|
logger.info('Saved %s', display_path(archive_path))
|
||
|
|
|
||
|
|
def _clean_zip_name(self, name, prefix):
|
||
|
|
assert name.startswith(prefix + os.path.sep), (
|
||
|
|
"name %r doesn't start with prefix %r" % (name, prefix)
|
||
|
|
)
|
||
|
|
name = name[len(prefix) + 1:]
|
||
|
|
name = name.replace(os.path.sep, '/')
|
||
|
|
return name
|
||
|
|
|
||
|
|
def match_markers(self, extras_requested=None):
|
||
|
|
if not extras_requested:
|
||
|
|
# Provide an extra to safely evaluate the markers
|
||
|
|
# without matching any extra
|
||
|
|
extras_requested = ('',)
|
||
|
|
if self.markers is not None:
|
||
|
|
return any(
|
||
|
|
self.markers.evaluate({'extra': extra})
|
||
|
|
for extra in extras_requested)
|
||
|
|
else:
|
||
|
|
return True
|
||
|
|
|
||
|
|
def install(self, install_options, global_options=[], root=None,
|
||
|
|
prefix=None):
|
||
|
|
if self.editable:
|
||
|
|
self.install_editable(
|
||
|
|
install_options, global_options, prefix=prefix)
|
||
|
|
return
|
||
|
|
if self.is_wheel:
|
||
|
|
version = pip.wheel.wheel_version(self.source_dir)
|
||
|
|
pip.wheel.check_compatibility(version, self.name)
|
||
|
|
|
||
|
|
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
|
||
|
|
self.install_succeeded = True
|
||
|
|
return
|
||
|
|
|
||
|
|
# Extend the list of global and install options passed on to
|
||
|
|
# the setup.py call with the ones from the requirements file.
|
||
|
|
# Options specified in requirements file override those
|
||
|
|
# specified on the command line, since the last option given
|
||
|
|
# to setup.py is the one that is used.
|
||
|
|
global_options += self.options.get('global_options', [])
|
||
|
|
install_options += self.options.get('install_options', [])
|
||
|
|
|
||
|
|
if self.isolated:
|
||
|
|
global_options = list(global_options) + ["--no-user-cfg"]
|
||
|
|
|
||
|
|
temp_location = tempfile.mkdtemp('-record', 'pip-')
|
||
|
|
record_filename = os.path.join(temp_location, 'install-record.txt')
|
||
|
|
try:
|
||
|
|
install_args = self.get_install_args(
|
||
|
|
global_options, record_filename, root, prefix)
|
||
|
|
msg = 'Running setup.py install for %s' % (self.name,)
|
||
|
|
with open_spinner(msg) as spinner:
|
||
|
|
with indent_log():
|
||
|
|
call_subprocess(
|
||
|
|
install_args + install_options,
|
||
|
|
cwd=self.setup_py_dir,
|
||
|
|
show_stdout=False,
|
||
|
|
spinner=spinner,
|
||
|
|
)
|
||
|
|
|
||
|
|
if not os.path.exists(record_filename):
|
||
|
|
logger.debug('Record file %s not found', record_filename)
|
||
|
|
return
|
||
|
|
self.install_succeeded = True
|
||
|
|
if self.as_egg:
|
||
|
|
# there's no --always-unzip option we can pass to install
|
||
|
|
# command so we unable to save the installed-files.txt
|
||
|
|
return
|
||
|
|
|
||
|
|
def prepend_root(path):
|
||
|
|
if root is None or not os.path.isabs(path):
|
||
|
|
return path
|
||
|
|
else:
|
||
|
|
return change_root(root, path)
|
||
|
|
|
||
|
|
with open(record_filename) as f:
|
||
|
|
for line in f:
|
||
|
|
directory = os.path.dirname(line)
|
||
|
|
if directory.endswith('.egg-info'):
|
||
|
|
egg_info_dir = prepend_root(directory)
|
||
|
|
break
|
||
|
|
else:
|
||
|
|
logger.warning(
|
||
|
|
'Could not find .egg-info directory in install record'
|
||
|
|
' for %s',
|
||
|
|
self,
|
||
|
|
)
|
||
|
|
# FIXME: put the record somewhere
|
||
|
|
# FIXME: should this be an error?
|
||
|
|
return
|
||
|
|
new_lines = []
|
||
|
|
with open(record_filename) as f:
|
||
|
|
for line in f:
|
||
|
|
filename = line.strip()
|
||
|
|
if os.path.isdir(filename):
|
||
|
|
filename += os.path.sep
|
||
|
|
new_lines.append(
|
||
|
|
os.path.relpath(
|
||
|
|
prepend_root(filename), egg_info_dir)
|
||
|
|
)
|
||
|
|
inst_files_path = os.path.join(egg_info_dir, 'installed-files.txt')
|
||
|
|
with open(inst_files_path, 'w') as f:
|
||
|
|
f.write('\n'.join(new_lines) + '\n')
|
||
|
|
finally:
|
||
|
|
if os.path.exists(record_filename):
|
||
|
|
os.remove(record_filename)
|
||
|
|
rmtree(temp_location)
|
||
|
|
|
||
|
|
def ensure_has_source_dir(self, parent_dir):
|
||
|
|
"""Ensure that a source_dir is set.
|
||
|
|
|
||
|
|
This will create a temporary build dir if the name of the requirement
|
||
|
|
isn't known yet.
|
||
|
|
|
||
|
|
:param parent_dir: The ideal pip parent_dir for the source_dir.
|
||
|
|
Generally src_dir for editables and build_dir for sdists.
|
||
|
|
:return: self.source_dir
|
||
|
|
"""
|
||
|
|
if self.source_dir is None:
|
||
|
|
self.source_dir = self.build_location(parent_dir)
|
||
|
|
return self.source_dir
|
||
|
|
|
||
|
|
def get_install_args(self, global_options, record_filename, root, prefix):
|
||
|
|
install_args = [sys.executable, "-u"]
|
||
|
|
install_args.append('-c')
|
||
|
|
install_args.append(SETUPTOOLS_SHIM % self.setup_py)
|
||
|
|
install_args += list(global_options) + \
|
||
|
|
['install', '--record', record_filename]
|
||
|
|
|
||
|
|
if not self.as_egg:
|
||
|
|
install_args += ['--single-version-externally-managed']
|
||
|
|
|
||
|
|
if root is not None:
|
||
|
|
install_args += ['--root', root]
|
||
|
|
if prefix is not None:
|
||
|
|
install_args += ['--prefix', prefix]
|
||
|
|
|
||
|
|
if self.pycompile:
|
||
|
|
install_args += ["--compile"]
|
||
|
|
else:
|
||
|
|
install_args += ["--no-compile"]
|
||
|
|
|
||
|
|
if running_under_virtualenv():
|
||
|
|
py_ver_str = 'python' + sysconfig.get_python_version()
|
||
|
|
install_args += ['--install-headers',
|
||
|
|
os.path.join(sys.prefix, 'include', 'site',
|
||
|
|
py_ver_str, self.name)]
|
||
|
|
|
||
|
|
return install_args
|
||
|
|
|
||
|
|
def remove_temporary_source(self):
|
||
|
|
"""Remove the source files from this requirement, if they are marked
|
||
|
|
for deletion"""
|
||
|
|
if self.source_dir and os.path.exists(
|
||
|
|
os.path.join(self.source_dir, PIP_DELETE_MARKER_FILENAME)):
|
||
|
|
logger.debug('Removing source in %s', self.source_dir)
|
||
|
|
rmtree(self.source_dir)
|
||
|
|
self.source_dir = None
|
||
|
|
if self._temp_build_dir and os.path.exists(self._temp_build_dir):
|
||
|
|
rmtree(self._temp_build_dir)
|
||
|
|
self._temp_build_dir = None
|
||
|
|
|
||
|
|
def install_editable(self, install_options,
|
||
|
|
global_options=(), prefix=None):
|
||
|
|
logger.info('Running setup.py develop for %s', self.name)
|
||
|
|
|
||
|
|
if self.isolated:
|
||
|
|
global_options = list(global_options) + ["--no-user-cfg"]
|
||
|
|
|
||
|
|
if prefix:
|
||
|
|
prefix_param = ['--prefix={0}'.format(prefix)]
|
||
|
|
install_options = list(install_options) + prefix_param
|
||
|
|
|
||
|
|
with indent_log():
|
||
|
|
# FIXME: should we do --install-headers here too?
|
||
|
|
call_subprocess(
|
||
|
|
[
|
||
|
|
sys.executable,
|
||
|
|
'-c',
|
||
|
|
SETUPTOOLS_SHIM % self.setup_py
|
||
|
|
] +
|
||
|
|
list(global_options) +
|
||
|
|
['develop', '--no-deps'] +
|
||
|
|
list(install_options),
|
||
|
|
|
||
|
|
cwd=self.setup_py_dir,
|
||
|
|
show_stdout=False)
|
||
|
|
|
||
|
|
self.install_succeeded = True
|
||
|
|
|
||
|
|
def check_if_exists(self):
|
||
|
|
"""Find an installed distribution that satisfies or conflicts
|
||
|
|
with this requirement, and set self.satisfied_by or
|
||
|
|
self.conflicts_with appropriately.
|
||
|
|
"""
|
||
|
|
if self.req is None:
|
||
|
|
return False
|
||
|
|
try:
|
||
|
|
# get_distribution() will resolve the entire list of requirements
|
||
|
|
# anyway, and we've already determined that we need the requirement
|
||
|
|
# in question, so strip the marker so that we don't try to
|
||
|
|
# evaluate it.
|
||
|
|
no_marker = Requirement(str(self.req))
|
||
|
|
no_marker.marker = None
|
||
|
|
self.satisfied_by = pkg_resources.get_distribution(str(no_marker))
|
||
|
|
if self.editable and self.satisfied_by:
|
||
|
|
self.conflicts_with = self.satisfied_by
|
||
|
|
# when installing editables, nothing pre-existing should ever
|
||
|
|
# satisfy
|
||
|
|
self.satisfied_by = None
|
||
|
|
return True
|
||
|
|
except pkg_resources.DistributionNotFound:
|
||
|
|
return False
|
||
|
|
except pkg_resources.VersionConflict:
|
||
|
|
existing_dist = pkg_resources.get_distribution(
|
||
|
|
self.req.name
|
||
|
|
)
|
||
|
|
if self.use_user_site:
|
||
|
|
if dist_in_usersite(existing_dist):
|
||
|
|
self.conflicts_with = existing_dist
|
||
|
|
elif (running_under_virtualenv() and
|
||
|
|
dist_in_site_packages(existing_dist)):
|
||
|
|
raise InstallationError(
|
||
|
|
"Will not install to the user site because it will "
|
||
|
|
"lack sys.path precedence to %s in %s" %
|
||
|
|
(existing_dist.project_name, existing_dist.location)
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
self.conflicts_with = existing_dist
|
||
|
|
return True
|
||
|
|
|
||
|
|
@property
|
||
|
|
def is_wheel(self):
|
||
|
|
return self.link and self.link.is_wheel
|
||
|
|
|
||
|
|
def move_wheel_files(self, wheeldir, root=None, prefix=None):
|
||
|
|
move_wheel_files(
|
||
|
|
self.name, self.req, wheeldir,
|
||
|
|
user=self.use_user_site,
|
||
|
|
home=self.target_dir,
|
||
|
|
root=root,
|
||
|
|
prefix=prefix,
|
||
|
|
pycompile=self.pycompile,
|
||
|
|
isolated=self.isolated,
|
||
|
|
)
|
||
|
|
|
||
|
|
def get_dist(self):
|
||
|
|
"""Return a pkg_resources.Distribution built from self.egg_info_path"""
|
||
|
|
egg_info = self.egg_info_path('').rstrip('/')
|
||
|
|
base_dir = os.path.dirname(egg_info)
|
||
|
|
metadata = pkg_resources.PathMetadata(base_dir, egg_info)
|
||
|
|
dist_name = os.path.splitext(os.path.basename(egg_info))[0]
|
||
|
|
return pkg_resources.Distribution(
|
||
|
|
os.path.dirname(egg_info),
|
||
|
|
project_name=dist_name,
|
||
|
|
metadata=metadata)
|
||
|
|
|
||
|
|
@property
|
||
|
|
def has_hash_options(self):
|
||
|
|
"""Return whether any known-good hashes are specified as options.
|
||
|
|
|
||
|
|
These activate --require-hashes mode; hashes specified as part of a
|
||
|
|
URL do not.
|
||
|
|
|
||
|
|
"""
|
||
|
|
return bool(self.options.get('hashes', {}))
|
||
|
|
|
||
|
|
def hashes(self, trust_internet=True):
|
||
|
|
"""Return a hash-comparer that considers my option- and URL-based
|
||
|
|
hashes to be known-good.
|
||
|
|
|
||
|
|
Hashes in URLs--ones embedded in the requirements file, not ones
|
||
|
|
downloaded from an index server--are almost peers with ones from
|
||
|
|
flags. They satisfy --require-hashes (whether it was implicitly or
|
||
|
|
explicitly activated) but do not activate it. md5 and sha224 are not
|
||
|
|
allowed in flags, which should nudge people toward good algos. We
|
||
|
|
always OR all hashes together, even ones from URLs.
|
||
|
|
|
||
|
|
:param trust_internet: Whether to trust URL-based (#md5=...) hashes
|
||
|
|
downloaded from the internet, as by populate_link()
|
||
|
|
|
||
|
|
"""
|
||
|
|
good_hashes = self.options.get('hashes', {}).copy()
|
||
|
|
link = self.link if trust_internet else self.original_link
|
||
|
|
if link and link.hash:
|
||
|
|
good_hashes.setdefault(link.hash_name, []).append(link.hash)
|
||
|
|
return Hashes(good_hashes)
|
||
|
|
|
||
|
|
|
||
|
|
def _strip_postfix(req):
|
||
|
|
"""
|
||
|
|
Strip req postfix ( -dev, 0.2, etc )
|
||
|
|
"""
|
||
|
|
# FIXME: use package_to_requirement?
|
||
|
|
match = re.search(r'^(.*?)(?:-dev|-\d.*)$', req)
|
||
|
|
if match:
|
||
|
|
# Strip off -dev, -0.2, etc.
|
||
|
|
req = match.group(1)
|
||
|
|
return req
|
||
|
|
|
||
|
|
|
||
|
|
def parse_editable(editable_req, default_vcs=None):
|
||
|
|
"""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]
|
||
|
|
"""
|
||
|
|
|
||
|
|
from pip.index import Link
|
||
|
|
|
||
|
|
url = editable_req
|
||
|
|
extras = None
|
||
|
|
|
||
|
|
# If a file path is specified with extras, strip off the extras.
|
||
|
|
m = re.match(r'^(.+)(\[[^\]]+\])$', url)
|
||
|
|
if m:
|
||
|
|
url_no_extras = m.group(1)
|
||
|
|
extras = m.group(2)
|
||
|
|
else:
|
||
|
|
url_no_extras = url
|
||
|
|
|
||
|
|
if os.path.isdir(url_no_extras):
|
||
|
|
if not os.path.exists(os.path.join(url_no_extras, 'setup.py')):
|
||
|
|
raise InstallationError(
|
||
|
|
"Directory %r is not installable. File 'setup.py' not found." %
|
||
|
|
url_no_extras
|
||
|
|
)
|
||
|
|
# 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:
|
||
|
|
if default_vcs:
|
||
|
|
warnings.warn(
|
||
|
|
"--default-vcs has been deprecated and will be removed in "
|
||
|
|
"the future.",
|
||
|
|
RemovedInPip10Warning,
|
||
|
|
)
|
||
|
|
url = default_vcs + '+' + url
|
||
|
|
else:
|
||
|
|
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, please specify one with #egg="
|
||
|
|
)
|
||
|
|
if not package_name:
|
||
|
|
raise InstallationError(
|
||
|
|
'--editable=%s is not the right format; it must have '
|
||
|
|
'#egg=Package' % editable_req
|
||
|
|
)
|
||
|
|
return _strip_postfix(package_name), url, None
|