OSDN Git Service

環境情報を削除
[stux/ultron.git] / venv / Lib / site-packages / pip / req / req_install.py
diff --git a/venv/Lib/site-packages/pip/req/req_install.py b/venv/Lib/site-packages/pip/req/req_install.py
deleted file mode 100644 (file)
index 1a98f37..0000000
+++ /dev/null
@@ -1,1204 +0,0 @@
-from __future__ import absolute_import
-
-import logging
-import os
-import re
-import shutil
-import sys
-import tempfile
-import traceback
-import warnings
-import zipfile
-
-from distutils import sysconfig
-from distutils.util import change_root
-from email.parser import FeedParser
-
-from pip._vendor import pkg_resources, six
-from pip._vendor.packaging import specifiers
-from pip._vendor.packaging.markers import Marker
-from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
-from pip._vendor.packaging.utils import canonicalize_name
-from pip._vendor.packaging.version import Version, parse as parse_version
-from pip._vendor.six.moves import configparser
-
-import pip.wheel
-
-from pip.compat import native_str, get_stdlib, WINDOWS
-from pip.download import is_url, url_to_path, path_to_url, is_archive_file
-from pip.exceptions import (
-    InstallationError, UninstallationError,
-)
-from pip.locations import (
-    bin_py, running_under_virtualenv, PIP_DELETE_MARKER_FILENAME, bin_user,
-)
-from pip.utils import (
-    display_path, rmtree, ask_path_exists, backup_dir, is_installable_dir,
-    dist_in_usersite, dist_in_site_packages, egg_link_path,
-    call_subprocess, read_text_file, FakeFile, _make_build_dir, ensure_dir,
-    get_installed_version, normalize_path, dist_is_local,
-)
-
-from pip.utils.hashes import Hashes
-from pip.utils.deprecation import RemovedInPip10Warning
-from pip.utils.logging import indent_log
-from pip.utils.setuptools_build import SETUPTOOLS_SHIM
-from pip.utils.ui import open_spinner
-from pip.req.req_uninstall import UninstallPathSet
-from pip.vcs import vcs
-from pip.wheel import move_wheel_files, Wheel
-
-
-logger = logging.getLogger(__name__)
-
-operators = specifiers.Specifier._operators.keys()
-
-
-def _strip_extras(path):
-    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 _safe_extras(extras):
-    return set(pkg_resources.safe_extra(extra) for extra in extras)
-
-
-class InstallRequirement(object):
-
-    def __init__(self, req, comes_from, source_dir=None, editable=False,
-                 link=None, as_egg=False, update=True,
-                 pycompile=True, markers=None, isolated=False, options=None,
-                 wheel_cache=None, constraint=False):
-        self.extras = ()
-        if isinstance(req, six.string_types):
-            try:
-                req = Requirement(req)
-            except InvalidRequirement:
-                if os.path.sep in req:
-                    add_msg = "It looks like a path. Does it exist ?"
-                elif '=' in req and not any(op in req for op in operators):
-                    add_msg = "= is not a valid operator. Did you mean == ?"
-                else:
-                    add_msg = traceback.format_exc()
-                raise InstallationError(
-                    "Invalid requirement: '%s'\n%s" % (req, add_msg))
-            self.extras = _safe_extras(req.extras)
-
-        self.req = req
-        self.comes_from = comes_from
-        self.constraint = constraint
-        self.source_dir = source_dir
-        self.editable = editable
-
-        self._wheel_cache = wheel_cache
-        self.link = self.original_link = link
-        self.as_egg = as_egg
-        if markers is not None:
-            self.markers = markers
-        else:
-            self.markers = req and req.marker
-        self._egg_info_path = None
-        # This holds the pkg_resources.Distribution object if this requirement
-        # is already available:
-        self.satisfied_by = None
-        # This hold the pkg_resources.Distribution object if this requirement
-        # conflicts with another installed distribution:
-        self.conflicts_with = None
-        # Temporary build location
-        self._temp_build_dir = None
-        # Used to store the global directory where the _temp_build_dir should
-        # have been created. Cf _correct_build_location method.
-        self._ideal_build_dir = None
-        # True if the editable should be updated:
-        self.update = update
-        # Set to True after successful installation
-        self.install_succeeded = None
-        # UninstallPathSet of uninstalled distribution (for possible rollback)
-        self.uninstalled = None
-        # Set True if a legitimate do-nothing-on-uninstall has happened - e.g.
-        # system site packages, stdlib packages.
-        self.nothing_to_uninstall = False
-        self.use_user_site = False
-        self.target_dir = None
-        self.options = options if options else {}
-        self.pycompile = pycompile
-        # Set to True after successful preparation of this requirement
-        self.prepared = False
-
-        self.isolated = isolated
-
-    @classmethod
-    def from_editable(cls, editable_req, comes_from=None, default_vcs=None,
-                      isolated=False, options=None, wheel_cache=None,
-                      constraint=False):
-        from pip.index import Link
-
-        name, url, extras_override = parse_editable(
-            editable_req, default_vcs)
-        if url.startswith('file:'):
-            source_dir = url_to_path(url)
-        else:
-            source_dir = None
-
-        res = cls(name, comes_from, source_dir=source_dir,
-                  editable=True,
-                  link=Link(url),
-                  constraint=constraint,
-                  isolated=isolated,
-                  options=options if options else {},
-                  wheel_cache=wheel_cache)
-
-        if extras_override is not None:
-            res.extras = _safe_extras(extras_override)
-
-        return res
-
-    @classmethod
-    def from_line(
-            cls, name, comes_from=None, isolated=False, options=None,
-            wheel_cache=None, constraint=False):
-        """Creates an InstallRequirement from a name, which might be a
-        requirement, directory containing 'setup.py', filename, or URL.
-        """
-        from pip.index import Link
-
-        if is_url(name):
-            marker_sep = '; '
-        else:
-            marker_sep = ';'
-        if marker_sep in name:
-            name, markers = name.split(marker_sep, 1)
-            markers = markers.strip()
-            if not markers:
-                markers = None
-            else:
-                markers = Marker(markers)
-        else:
-            markers = None
-        name = name.strip()
-        req = None
-        path = os.path.normpath(os.path.abspath(name))
-        link = None
-        extras = None
-
-        if is_url(name):
-            link = Link(name)
-        else:
-            p, extras = _strip_extras(path)
-            if (os.path.isdir(p) and
-                    (os.path.sep in name or name.startswith('.'))):
-
-                if not is_installable_dir(p):
-                    raise InstallationError(
-                        "Directory %r is not installable. File 'setup.py' "
-                        "not 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 = "%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 = link.egg_fragment
-
-        # a requirement specifier
-        else:
-            req = name
-
-        options = options if options else {}
-        res = cls(req, comes_from, link=link, markers=markers,
-                  isolated=isolated, options=options,
-                  wheel_cache=wheel_cache, constraint=constraint)
-
-        if extras:
-            res.extras = _safe_extras(
-                Requirement('placeholder' + extras).extras)
-
-        return res
-
-    def __str__(self):
-        if self.req:
-            s = str(self.req)
-            if self.link:
-                s += ' from %s' % self.link.url
-        else:
-            s = self.link.url if self.link else None
-        if self.satisfied_by is not None:
-            s += ' in %s' % display_path(self.satisfied_by.location)
-        if self.comes_from:
-            if isinstance(self.comes_from, six.string_types):
-                comes_from = self.comes_from
-            else:
-                comes_from = self.comes_from.from_path()
-            if comes_from:
-                s += ' (from %s)' % comes_from
-        return s
-
-    def __repr__(self):
-        return '<%s object: %s editable=%r>' % (
-            self.__class__.__name__, str(self), self.editable)
-
-    def populate_link(self, finder, upgrade, require_hashes):
-        """Ensure that if a link can be found for this, that it is found.
-
-        Note that self.link may still be None - if Upgrade is False and the
-        requirement is already installed.
-
-        If require_hashes is True, don't use the wheel cache, because cached
-        wheels, always built locally, have different hashes than the files
-        downloaded from the index server and thus throw false hash mismatches.
-        Furthermore, cached wheels at present have undeterministic contents due
-        to file modification times.
-        """
-        if self.link is None:
-            self.link = finder.find_requirement(self, upgrade)
-        if self._wheel_cache is not None and not require_hashes:
-            old_link = self.link
-            self.link = self._wheel_cache.cached_wheel(self.link, self.name)
-            if old_link != self.link:
-                logger.debug('Using cached wheel link: %s', self.link)
-
-    @property
-    def specifier(self):
-        return self.req.specifier
-
-    @property
-    def is_pinned(self):
-        """Return whether I am pinned to an exact version.
-
-        For example, some-package==1.2 is pinned; some-package>1.2 is not.
-        """
-        specifiers = self.specifier
-        return (len(specifiers) == 1 and
-                next(iter(specifiers)).operator in ('==', '==='))
-
-    def from_path(self):
-        if self.req is None:
-            return None
-        s = str(self.req)
-        if self.comes_from:
-            if isinstance(self.comes_from, six.string_types):
-                comes_from = self.comes_from
-            else:
-                comes_from = self.comes_from.from_path()
-            if comes_from:
-                s += '->' + comes_from
-        return s
-
-    def build_location(self, build_dir):
-        if self._temp_build_dir is not None:
-            return self._temp_build_dir
-        if self.req is None:
-            # for requirement via a path to a directory: the name of the
-            # package is not available yet so we create a temp directory
-            # Once run_egg_info will have run, we'll be able
-            # to fix it via _correct_build_location
-            # Some systems have /tmp as a symlink which confuses custom
-            # builds (such as numpy). Thus, we ensure that the real path
-            # is returned.
-            self._temp_build_dir = os.path.realpath(
-                tempfile.mkdtemp('-build', 'pip-')
-            )
-            self._ideal_build_dir = build_dir
-            return self._temp_build_dir
-        if self.editable:
-            name = self.name.lower()
-        else:
-            name = self.name
-        # FIXME: Is there a better place to create the build_dir? (hg and bzr
-        # need this)
-        if not os.path.exists(build_dir):
-            logger.debug('Creating directory %s', build_dir)
-            _make_build_dir(build_dir)
-        return os.path.join(build_dir, name)
-
-    def _correct_build_location(self):
-        """Move self._temp_build_dir to self._ideal_build_dir/self.req.name
-
-        For some requirements (e.g. a path to a directory), the name of the
-        package is not available until we run egg_info, so the build_location
-        will return a temporary directory and store the _ideal_build_dir.
-
-        This is only called by self.egg_info_path to fix the temporary build
-        directory.
-        """
-        if self.source_dir is not None:
-            return
-        assert self.req is not None
-        assert self._temp_build_dir
-        assert self._ideal_build_dir
-        old_location = self._temp_build_dir
-        self._temp_build_dir = None
-        new_location = self.build_location(self._ideal_build_dir)
-        if os.path.exists(new_location):
-            raise InstallationError(
-                'A package already exists in %s; please remove it to continue'
-                % display_path(new_location))
-        logger.debug(
-            'Moving package %s from %s to new location %s',
-            self, display_path(old_location), display_path(new_location),
-        )
-        shutil.move(old_location, new_location)
-        self._temp_build_dir = new_location
-        self._ideal_build_dir = None
-        self.source_dir = new_location
-        self._egg_info_path = None
-
-    @property
-    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