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__init__.py
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debug.py
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download.py
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freeze.py
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uninstall.py
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wheel.py
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Editing: download.py
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from __future__ import absolute_import import logging import os from pip._internal.cli import cmdoptions from pip._internal.cli.cmdoptions import make_target_python from pip._internal.cli.req_command import RequirementCommand, with_cleanup from pip._internal.cli.status_codes import SUCCESS from pip._internal.req.req_tracker import get_requirement_tracker from pip._internal.utils.misc import ensure_dir, normalize_path, write_output from pip._internal.utils.temp_dir import TempDirectory from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from optparse import Values from typing import List logger = logging.getLogger(__name__) class DownloadCommand(RequirementCommand): """ Download packages from: - PyPI (and other indexes) using requirement specifiers. - VCS project urls. - Local project directories. - Local or remote source archives. pip also supports downloading from "requirements files", which provide an easy way to specify a whole environment to be downloaded. """ usage = """ %prog [options] <requirement specifier> [package-index-options] ... %prog [options] -r <requirements file> [package-index-options] ... %prog [options] <vcs project url> ... %prog [options] <local project path> ... %prog [options] <archive url/path> ...""" def add_options(self): # type: () -> None self.cmd_opts.add_option(cmdoptions.constraints()) self.cmd_opts.add_option(cmdoptions.requirements()) self.cmd_opts.add_option(cmdoptions.build_dir()) self.cmd_opts.add_option(cmdoptions.no_deps()) self.cmd_opts.add_option(cmdoptions.global_options()) self.cmd_opts.add_option(cmdoptions.no_binary()) self.cmd_opts.add_option(cmdoptions.only_binary()) self.cmd_opts.add_option(cmdoptions.prefer_binary()) self.cmd_opts.add_option(cmdoptions.src()) self.cmd_opts.add_option(cmdoptions.pre()) self.cmd_opts.add_option(cmdoptions.require_hashes()) self.cmd_opts.add_option(cmdoptions.progress_bar()) self.cmd_opts.add_option(cmdoptions.no_build_isolation()) self.cmd_opts.add_option(cmdoptions.use_pep517()) self.cmd_opts.add_option(cmdoptions.no_use_pep517()) self.cmd_opts.add_option( '-d', '--dest', '--destination-dir', '--destination-directory', dest='download_dir', metavar='dir', default=os.curdir, help=("Download packages into <dir>."), ) cmdoptions.add_target_python_options(self.cmd_opts) index_opts = cmdoptions.make_option_group( cmdoptions.index_group, self.parser, ) self.parser.insert_option_group(0, index_opts) self.parser.insert_option_group(0, self.cmd_opts) @with_cleanup def run(self, options, args): # type: (Values, List[str]) -> int options.ignore_installed = True # editable doesn't really make sense for `pip download`, but the bowels # of the RequirementSet code require that property. options.editables = [] cmdoptions.check_dist_restriction(options) options.download_dir = normalize_path(options.download_dir) ensure_dir(options.download_dir) session = self.get_default_session(options) target_python = make_target_python(options) finder = self._build_package_finder( options=options, session=session, target_python=target_python, ) build_delete = (not (options.no_clean or options.build_dir)) req_tracker = self.enter_context(get_requirement_tracker()) directory = TempDirectory( options.build_dir, delete=build_delete, kind="download", globally_managed=True, ) reqs = self.get_requirements(args, options, finder, session) preparer = self.make_requirement_preparer( temp_build_dir=directory, options=options, req_tracker=req_tracker, session=session, finder=finder, download_dir=options.download_dir, use_user_site=False, ) resolver = self.make_resolver( preparer=preparer, finder=finder, options=options, py_version_info=options.python_version, ) self.trace_basic_info(finder) requirement_set = resolver.resolve( reqs, check_supported_wheels=True ) downloaded = ' '.join([req.name # type: ignore for req in requirement_set.requirements.values() if req.successfully_downloaded]) if downloaded: write_output('Successfully downloaded %s', downloaded) return SUCCESS