pre-commit-hooks/.venv/lib/python3.10/site-packages/pip/_internal/commands/uninstall.py
2024-04-13 00:00:20 +00:00

105 lines
3.5 KiB
Python

from __future__ import annotations
import logging
from optparse import Values
from typing import List
from pip._internal.cli.base_command import Command
from pip._internal.cli.req_command import SessionCommandMixin
from pip._internal.cli.req_command import warn_if_run_as_root
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
from pip._internal.req.constructors import install_req_from_parsed_requirement
from pip._internal.utils.misc import protect_pip_from_modification_on_windows
from pip._vendor.packaging.utils import canonicalize_name
logger = logging.getLogger(__name__)
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) -> 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: Values, args: 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
else:
logger.warning(
'Invalid requirement: %r ignored -'
' the uninstall command expects named'
' requirements.',
name,
)
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(
f'You must give at least one requirement to {self.name} (see '
f'"pip help {self.name}")',
)
protect_pip_from_modification_on_windows(
modifying_pip='pip' in reqs_to_uninstall,
)
for req in reqs_to_uninstall.values():
uninstall_pathset = req.uninstall(
auto_confirm=options.yes,
verbose=self.verbosity > 0,
)
if uninstall_pathset:
uninstall_pathset.commit()
warn_if_run_as_root()
return SUCCESS