mirror of https://github.com/pypa/pip
321 lines
11 KiB
Python
321 lines
11 KiB
Python
from __future__ import absolute_import
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import json
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import logging
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from pip._vendor import six
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from pip._internal.cli import cmdoptions
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from pip._internal.cli.req_command import IndexGroupCommand
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from pip._internal.cli.status_codes import SUCCESS
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from pip._internal.exceptions import CommandError
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from pip._internal.index.collector import LinkCollector
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from pip._internal.index.package_finder import PackageFinder
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from pip._internal.models.selection_prefs import SelectionPreferences
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from pip._internal.utils.misc import (
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dist_is_editable,
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get_installed_distributions,
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tabulate,
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write_output,
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)
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from pip._internal.utils.packaging import get_installer
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from pip._internal.utils.parallel import map_multithread
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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if MYPY_CHECK_RUNNING:
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from optparse import Values
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from typing import Iterator, List, Set, Tuple
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from pip._vendor.pkg_resources import Distribution
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from pip._internal.network.session import PipSession
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logger = logging.getLogger(__name__)
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class ListCommand(IndexGroupCommand):
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"""
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List installed packages, including editables.
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Packages are listed in a case-insensitive sorted order.
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"""
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ignore_require_venv = True
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usage = """
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%prog [options]"""
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def add_options(self):
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# type: () -> None
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self.cmd_opts.add_option(
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'-o', '--outdated',
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action='store_true',
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default=False,
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help='List outdated packages')
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self.cmd_opts.add_option(
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'-u', '--uptodate',
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action='store_true',
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default=False,
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help='List uptodate packages')
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self.cmd_opts.add_option(
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'-e', '--editable',
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action='store_true',
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default=False,
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help='List editable projects.')
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self.cmd_opts.add_option(
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'-l', '--local',
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action='store_true',
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default=False,
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help=('If in a virtualenv that has global access, do not list '
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'globally-installed packages.'),
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)
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self.cmd_opts.add_option(
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'--user',
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dest='user',
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action='store_true',
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default=False,
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help='Only output packages installed in user-site.')
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self.cmd_opts.add_option(cmdoptions.list_path())
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self.cmd_opts.add_option(
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'--pre',
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action='store_true',
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default=False,
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help=("Include pre-release and development versions. By default, "
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"pip only finds stable versions."),
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)
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self.cmd_opts.add_option(
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'--format',
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action='store',
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dest='list_format',
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default="columns",
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choices=('columns', 'freeze', 'json'),
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help="Select the output format among: columns (default), freeze, "
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"or json",
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)
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self.cmd_opts.add_option(
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'--not-required',
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action='store_true',
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dest='not_required',
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help="List packages that are not dependencies of "
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"installed packages.",
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)
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self.cmd_opts.add_option(
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'--exclude-editable',
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action='store_false',
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dest='include_editable',
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help='Exclude editable package from output.',
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)
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self.cmd_opts.add_option(
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'--include-editable',
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action='store_true',
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dest='include_editable',
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help='Include editable package from output.',
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default=True,
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)
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index_opts = cmdoptions.make_option_group(
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cmdoptions.index_group, self.parser
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)
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self.parser.insert_option_group(0, index_opts)
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self.parser.insert_option_group(0, self.cmd_opts)
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def _build_package_finder(self, options, session):
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# type: (Values, PipSession) -> PackageFinder
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"""
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Create a package finder appropriate to this list command.
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"""
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link_collector = LinkCollector.create(session, options=options)
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# Pass allow_yanked=False to ignore yanked versions.
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selection_prefs = SelectionPreferences(
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allow_yanked=False,
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allow_all_prereleases=options.pre,
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)
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return PackageFinder.create(
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link_collector=link_collector,
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selection_prefs=selection_prefs,
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)
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def run(self, options, args):
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# type: (Values, List[str]) -> int
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if options.outdated and options.uptodate:
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raise CommandError(
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"Options --outdated and --uptodate cannot be combined.")
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cmdoptions.check_list_path_option(options)
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packages = get_installed_distributions(
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local_only=options.local,
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user_only=options.user,
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editables_only=options.editable,
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include_editables=options.include_editable,
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paths=options.path,
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)
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# get_not_required must be called firstly in order to find and
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# filter out all dependencies correctly. Otherwise a package
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# can't be identified as requirement because some parent packages
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# could be filtered out before.
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if options.not_required:
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packages = self.get_not_required(packages, options)
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if options.outdated:
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packages = self.get_outdated(packages, options)
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elif options.uptodate:
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packages = self.get_uptodate(packages, options)
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self.output_package_listing(packages, options)
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return SUCCESS
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def get_outdated(self, packages, options):
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# type: (List[Distribution], Values) -> List[Distribution]
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return [
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dist for dist in self.iter_packages_latest_infos(packages, options)
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if dist.latest_version > dist.parsed_version
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]
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def get_uptodate(self, packages, options):
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# type: (List[Distribution], Values) -> List[Distribution]
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return [
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dist for dist in self.iter_packages_latest_infos(packages, options)
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if dist.latest_version == dist.parsed_version
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]
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def get_not_required(self, packages, options):
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# type: (List[Distribution], Values) -> List[Distribution]
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dep_keys = set() # type: Set[Distribution]
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for dist in packages:
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dep_keys.update(requirement.key for requirement in dist.requires())
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# Create a set to remove duplicate packages, and cast it to a list
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# to keep the return type consistent with get_outdated and
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# get_uptodate
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return list({pkg for pkg in packages if pkg.key not in dep_keys})
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def iter_packages_latest_infos(self, packages, options):
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# type: (List[Distribution], Values) -> Iterator[Distribution]
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with self._build_session(options) as session:
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finder = self._build_package_finder(options, session)
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def latest_info(dist):
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# type: (Distribution) -> Distribution
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all_candidates = finder.find_all_candidates(dist.key)
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if not options.pre:
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# Remove prereleases
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all_candidates = [candidate for candidate in all_candidates
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if not candidate.version.is_prerelease]
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evaluator = finder.make_candidate_evaluator(
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project_name=dist.project_name,
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)
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best_candidate = evaluator.sort_best_candidate(all_candidates)
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if best_candidate is None:
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return None
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remote_version = best_candidate.version
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if best_candidate.link.is_wheel:
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typ = 'wheel'
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else:
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typ = 'sdist'
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# This is dirty but makes the rest of the code much cleaner
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dist.latest_version = remote_version
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dist.latest_filetype = typ
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return dist
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for dist in map_multithread(latest_info, packages):
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if dist is not None:
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yield dist
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def output_package_listing(self, packages, options):
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# type: (List[Distribution], Values) -> None
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packages = sorted(
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packages,
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key=lambda dist: dist.project_name.lower(),
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)
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if options.list_format == 'columns' and packages:
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data, header = format_for_columns(packages, options)
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self.output_package_listing_columns(data, header)
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elif options.list_format == 'freeze':
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for dist in packages:
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if options.verbose >= 1:
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write_output("%s==%s (%s)", dist.project_name,
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dist.version, dist.location)
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else:
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write_output("%s==%s", dist.project_name, dist.version)
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elif options.list_format == 'json':
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write_output(format_for_json(packages, options))
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def output_package_listing_columns(self, data, header):
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# type: (List[List[str]], List[str]) -> None
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# insert the header first: we need to know the size of column names
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if len(data) > 0:
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data.insert(0, header)
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pkg_strings, sizes = tabulate(data)
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# Create and add a separator.
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if len(data) > 0:
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pkg_strings.insert(1, " ".join(map(lambda x: '-' * x, sizes)))
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for val in pkg_strings:
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write_output(val)
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def format_for_columns(pkgs, options):
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# type: (List[Distribution], Values) -> Tuple[List[List[str]], List[str]]
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"""
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Convert the package data into something usable
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by output_package_listing_columns.
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"""
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running_outdated = options.outdated
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# Adjust the header for the `pip list --outdated` case.
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if running_outdated:
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header = ["Package", "Version", "Latest", "Type"]
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else:
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header = ["Package", "Version"]
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data = []
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if options.verbose >= 1 or any(dist_is_editable(x) for x in pkgs):
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header.append("Location")
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if options.verbose >= 1:
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header.append("Installer")
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for proj in pkgs:
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# if we're working on the 'outdated' list, separate out the
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# latest_version and type
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row = [proj.project_name, proj.version]
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if running_outdated:
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row.append(proj.latest_version)
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row.append(proj.latest_filetype)
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if options.verbose >= 1 or dist_is_editable(proj):
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row.append(proj.location)
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if options.verbose >= 1:
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row.append(get_installer(proj))
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data.append(row)
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return data, header
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def format_for_json(packages, options):
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# type: (List[Distribution], Values) -> str
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data = []
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for dist in packages:
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info = {
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'name': dist.project_name,
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'version': six.text_type(dist.version),
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}
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if options.verbose >= 1:
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info['location'] = dist.location
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info['installer'] = get_installer(dist)
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if options.outdated:
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info['latest_version'] = six.text_type(dist.latest_version)
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info['latest_filetype'] = dist.latest_filetype
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data.append(info)
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return json.dumps(data)
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