--- a/lib/python3.8/site-packages/pip/_internal/commands/download.py	Mon Jul 27 03:47:31 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,147 +0,0 @@
-# The following comment should be removed at some point in the future.
-# mypy: disallow-untyped-defs=False
-
-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
-from pip._internal.req import RequirementSet
-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
-
-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 __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.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))
-
-        with get_requirement_tracker() as req_tracker, TempDirectory(
-            options.build_dir, delete=build_delete, kind="download"
-        ) as directory:
-
-            requirement_set = RequirementSet()
-            self.populate_requirement_set(
-                requirement_set,
-                args,
-                options,
-                finder,
-                session,
-                None
-            )
-
-            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)
-
-            resolver.resolve(requirement_set)
-
-            downloaded = ' '.join([
-                req.name for req in requirement_set.successfully_downloaded
-            ])
-            if downloaded:
-                write_output('Successfully downloaded %s', downloaded)
-
-            # Clean up
-            if not options.no_clean:
-                requirement_set.cleanup_files()
-
-        return requirement_set