Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/pip/_internal/commands/uninstall.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
---|---|
date | Mon, 22 Mar 2021 18:12:50 +0000 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/pip/_internal/commands/uninstall.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,93 @@ +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