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Editing: list.py
from pip.basecommand import Command from pip.exceptions import DistributionNotFound, BestVersionAlreadyInstalled from pip.index import PackageFinder from pip.log import logger from pip.req import InstallRequirement from pip.util import get_installed_distributions, dist_is_editable from pip.cmdoptions import make_option_group, index_group class ListCommand(Command): """List installed packages, including editables.""" name = 'list' usage = """ %prog [options]""" summary = 'List installed packages.' # distributions to skip (python itself is reported by pkg_resources.working_set) skip = ['python'] def __init__(self, *args, **kw): super(ListCommand, self).__init__(*args, **kw) cmd_opts = self.cmd_opts cmd_opts.add_option( '-o', '--outdated', action='store_true', default=False, help='List outdated packages (excluding editables)') cmd_opts.add_option( '-u', '--uptodate', action='store_true', default=False, help='List uptodate packages (excluding editables)') cmd_opts.add_option( '-e', '--editable', action='store_true', default=False, help='List editable projects.') cmd_opts.add_option( '-l', '--local', action='store_true', default=False, help='If in a virtualenv that has global access, do not list globally-installed packages.') cmd_opts.add_option( '--pre', action='store_true', default=False, help="Include pre-release and development versions. By default, pip only finds stable versions.") index_opts = make_option_group(index_group, self.parser) self.parser.insert_option_group(0, index_opts) self.parser.insert_option_group(0, cmd_opts) def _build_package_finder(self, options, index_urls, session): """ Create a package finder appropriate to this list command. """ return PackageFinder(find_links=options.find_links, index_urls=index_urls, allow_external=options.allow_external, allow_unverified=options.allow_unverified, allow_all_external=options.allow_all_external, allow_all_prereleases=options.pre, process_dependency_links= options.process_dependency_links, session=session, ) def run(self, options, args): if options.outdated: self.run_outdated(options) elif options.uptodate: self.run_uptodate(options) elif options.editable: self.run_editables(options) else: self.run_listing(options) def run_outdated(self, options): for dist, remote_version_raw, remote_version_parsed in self.find_packages_latests_versions(options): if remote_version_parsed > dist.parsed_version: logger.notify('%s (Current: %s Latest: %s)' % (dist.project_name, dist.version, remote_version_raw)) def find_packages_latests_versions(self, options): index_urls = [options.index_url] + options.extra_index_urls if options.no_index: logger.notify('Ignoring indexes: %s' % ','.join(index_urls)) index_urls = [] if options.use_mirrors: logger.deprecated("1.7", "--use-mirrors has been deprecated and will be removed" " in the future. Explicit uses of --index-url and/or " "--extra-index-url is suggested.") if options.mirrors: logger.deprecated("1.7", "--mirrors has been deprecated and will be removed in " " the future. Explicit uses of --index-url and/or " "--extra-index-url is suggested.") index_urls += options.mirrors dependency_links = [] for dist in get_installed_distributions(local_only=options.local, skip=self.skip): if dist.has_metadata('dependency_links.txt'): dependency_links.extend( dist.get_metadata_lines('dependency_links.txt'), ) session = self._build_session(options) finder = self._build_package_finder(options, index_urls, session) finder.add_dependency_links(dependency_links) installed_packages = get_installed_distributions(local_only=options.local, include_editables=False, skip=self.skip) for dist in installed_packages: req = InstallRequirement.from_line(dist.key, None) try: link = finder.find_requirement(req, True) # If link is None, means installed version is most up-to-date if link is None: continue except DistributionNotFound: continue except BestVersionAlreadyInstalled: remote_version = req.installed_version else: # It might be a good idea that link or finder had a public method # that returned version remote_version = finder._link_package_versions(link, req.name)[0] remote_version_raw = remote_version[2] remote_version_parsed = remote_version[0] yield dist, remote_version_raw, remote_version_parsed def run_listing(self, options): installed_packages = get_installed_distributions(local_only=options.local, skip=self.skip) self.output_package_listing(installed_packages) def run_editables(self, options): installed_packages = get_installed_distributions(local_only=options.local, editables_only=True) self.output_package_listing(installed_packages) def output_package_listing(self, installed_packages): installed_packages = sorted(installed_packages, key=lambda dist: dist.project_name.lower()) for dist in installed_packages: if dist_is_editable(dist): line = '%s (%s, %s)' % (dist.project_name, dist.version, dist.location) else: line = '%s (%s)' % (dist.project_name, dist.version) logger.notify(line) def run_uptodate(self, options): uptodate = [] for dist, remote_version_raw, remote_version_parsed in self.find_packages_latests_versions(options): if dist.parsed_version == remote_version_parsed: uptodate.append(dist) self.output_package_listing(uptodate)
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