diff options
Diffstat (limited to '.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/commands/download.py')
| -rw-r--r-- | .emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/commands/download.py | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/commands/download.py b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/commands/download.py new file mode 100644 index 00000000..5642b561 --- /dev/null +++ b/.emacs.d.back/.python-environments/default/lib/python3.7/site-packages/pip/_internal/commands/download.py @@ -0,0 +1,168 @@ +from __future__ import absolute_import + +import logging +import os + +from pip._internal.cli import cmdoptions +from pip._internal.cli.base_command import RequirementCommand +from pip._internal.cli.cmdoptions import make_target_python +from pip._internal.legacy_resolve import Resolver +from pip._internal.operations.prepare import RequirementPreparer +from pip._internal.req import RequirementSet +from pip._internal.req.req_tracker import RequirementTracker +from pip._internal.utils.filesystem import check_path_owner +from pip._internal.utils.misc import ensure_dir, normalize_path +from pip._internal.utils.temp_dir import TempDirectory + +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. + """ + name = 'download' + + 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> ...""" + + summary = 'Download packages.' + + def __init__(self, *args, **kw): + super(DownloadCommand, self).__init__(*args, **kw) + + cmd_opts = self.cmd_opts + + cmd_opts.add_option(cmdoptions.constraints()) + cmd_opts.add_option(cmdoptions.requirements()) + cmd_opts.add_option(cmdoptions.build_dir()) + cmd_opts.add_option(cmdoptions.no_deps()) + cmd_opts.add_option(cmdoptions.global_options()) + cmd_opts.add_option(cmdoptions.no_binary()) + cmd_opts.add_option(cmdoptions.only_binary()) + cmd_opts.add_option(cmdoptions.prefer_binary()) + cmd_opts.add_option(cmdoptions.src()) + cmd_opts.add_option(cmdoptions.pre()) + cmd_opts.add_option(cmdoptions.no_clean()) + cmd_opts.add_option(cmdoptions.require_hashes()) + cmd_opts.add_option(cmdoptions.progress_bar()) + cmd_opts.add_option(cmdoptions.no_build_isolation()) + cmd_opts.add_option(cmdoptions.use_pep517()) + cmd_opts.add_option(cmdoptions.no_use_pep517()) + + 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(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, cmd_opts) + + def run(self, options, args): + 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.src_dir = os.path.abspath(options.src_dir) + options.download_dir = normalize_path(options.download_dir) + + ensure_dir(options.download_dir) + + with self._build_session(options) as session: + 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)) + if options.cache_dir and not check_path_owner(options.cache_dir): + logger.warning( + "The directory '%s' or its parent directory is not owned " + "by the current user and caching wheels has been " + "disabled. check the permissions and owner of that " + "directory. If executing pip with sudo, you may want " + "sudo's -H flag.", + options.cache_dir, + ) + options.cache_dir = None + + with RequirementTracker() as req_tracker, TempDirectory( + options.build_dir, delete=build_delete, kind="download" + ) as directory: + + requirement_set = RequirementSet( + require_hashes=options.require_hashes, + ) + self.populate_requirement_set( + requirement_set, + args, + options, + finder, + session, + self.name, + None + ) + + preparer = RequirementPreparer( + build_dir=directory.path, + src_dir=options.src_dir, + download_dir=options.download_dir, + wheel_download_dir=None, + progress_bar=options.progress_bar, + build_isolation=options.build_isolation, + req_tracker=req_tracker, + ) + + resolver = Resolver( + preparer=preparer, + finder=finder, + session=session, + wheel_cache=None, + use_user_site=False, + upgrade_strategy="to-satisfy-only", + force_reinstall=False, + ignore_dependencies=options.ignore_dependencies, + py_version_info=options.python_version, + ignore_requires_python=False, + ignore_installed=True, + isolated=options.isolated_mode, + ) + resolver.resolve(requirement_set) + + downloaded = ' '.join([ + req.name for req in requirement_set.successfully_downloaded + ]) + if downloaded: + logger.info('Successfully downloaded %s', downloaded) + + # Clean up + if not options.no_clean: + requirement_set.cleanup_files() + + return requirement_set |