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ðŸ“ ..
ðŸ“„ __init__.py(4 KB)
ðŸ“ __pycache__
ðŸ“„ cache.py(5.54 KB)
ðŸ“„ check.py(1.64 KB)
ðŸ“„ completion.py(3.01 KB)
ðŸ“„ configuration.py(9.13 KB)
ðŸ“„ debug.py(7.14 KB)
ðŸ“„ download.py(4.8 KB)
ðŸ“„ freeze.py(3.37 KB)
ðŸ“„ hash.py(1.8 KB)
ðŸ“„ help.py(1.24 KB)
ðŸ“„ install.py(28.05 KB)
ðŸ“„ list.py(11.05 KB)
ðŸ“„ search.py(5.62 KB)
ðŸ“„ show.py(6.83 KB)
ðŸ“„ uninstall.py(3.23 KB)
ðŸ“„ wheel.py(6.27 KB)

Editing: uninstall.py

from __future__ import absolute_import

from pip._vendor.packaging.utils import canonicalize_name

from pip._internal.cli.base_command import Command
from pip._internal.cli.req_command import SessionCommandMixin
from pip._internal.cli.status_codes import SUCCESS
from pip._internal.exceptions import InstallationError
from pip._internal.req import parse_requirements
from pip._internal.req.constructors import (
    install_req_from_line,
    install_req_from_parsed_requirement,
)
from pip._internal.utils.misc import protect_pip_from_modification_on_windows
from pip._internal.utils.typing import MYPY_CHECK_RUNNING

if MYPY_CHECK_RUNNING:
    from optparse import Values
    from typing import List

class UninstallCommand(Command, SessionCommandMixin):
    """
    Uninstall packages.

pip is able to uninstall most installed packages. Known exceptions are:

- Pure distutils packages installed with ``python setup.py install``, which
      leave behind no metadata to determine what files were installed.
    - Script wrappers installed by ``python setup.py develop``.
    """

usage = """
      %prog [options] <package> ...
      %prog [options] -r <requirements file> ..."""

def add_options(self):
        # type: () -> None
        self.cmd_opts.add_option(
            '-r', '--requirement',
            dest='requirements',
            action='append',
            default=[],
            metavar='file',
            help='Uninstall all the packages listed in the given requirements '
                 'file.  This option can be used multiple times.',
        )
        self.cmd_opts.add_option(
            '-y', '--yes',
            dest='yes',
            action='store_true',
            help="Don't ask for confirmation of uninstall deletions.")

self.parser.insert_option_group(0, self.cmd_opts)

def run(self, options, args):
        # type: (Values, List[str]) -> int
        session = self.get_default_session(options)

reqs_to_uninstall = {}
        for name in args:
            req = install_req_from_line(
                name, isolated=options.isolated_mode,
            )
            if req.name:
                reqs_to_uninstall[canonicalize_name(req.name)] = req
        for filename in options.requirements:
            for parsed_req in parse_requirements(
                    filename,
                    options=options,
                    session=session):
                req = install_req_from_parsed_requirement(
                    parsed_req,
                    isolated=options.isolated_mode
                )
                if req.name:
                    reqs_to_uninstall[canonicalize_name(req.name)] = req
        if not reqs_to_uninstall:
            raise InstallationError(
                'You must give at least one requirement to {self.name} (see '
                '"pip help {self.name}")'.format(**locals())
            )

protect_pip_from_modification_on_windows(
            modifying_pip="pip" in reqs_to_uninstall
        )

for req in reqs_to_uninstall.values():
            uninstall_pathset = req.uninstall(
                auto_confirm=options.yes, verbose=self.verbosity > 0,
            )
            if uninstall_pathset:
                uninstall_pathset.commit()

return SUCCESS

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