Mercurial > repos > guerler > hhblits
diff lib/python3.8/site-packages/pip/_internal/commands/hash.py @ 1:64071f2a4cf0 draft default tip
Deleted selected files
author | guerler |
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date | Mon, 27 Jul 2020 03:55:49 -0400 |
parents | 9e54283cc701 |
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--- a/lib/python3.8/site-packages/pip/_internal/commands/hash.py Mon Jul 27 03:47:31 2020 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,58 +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 hashlib -import logging -import sys - -from pip._internal.cli.base_command import Command -from pip._internal.cli.status_codes import ERROR -from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES -from pip._internal.utils.misc import read_chunks, write_output - -logger = logging.getLogger(__name__) - - -class HashCommand(Command): - """ - Compute a hash of a local package archive. - - These can be used with --hash in a requirements file to do repeatable - installs. - """ - - usage = '%prog [options] <file> ...' - ignore_require_venv = True - - def __init__(self, *args, **kw): - super(HashCommand, self).__init__(*args, **kw) - self.cmd_opts.add_option( - '-a', '--algorithm', - dest='algorithm', - choices=STRONG_HASHES, - action='store', - default=FAVORITE_HASH, - help='The hash algorithm to use: one of %s' % - ', '.join(STRONG_HASHES)) - self.parser.insert_option_group(0, self.cmd_opts) - - def run(self, options, args): - if not args: - self.parser.print_usage(sys.stderr) - return ERROR - - algorithm = options.algorithm - for path in args: - write_output('%s:\n--hash=%s:%s', - path, algorithm, _hash_of_file(path, algorithm)) - - -def _hash_of_file(path, algorithm): - """Return the hash digest of a file.""" - with open(path, 'rb') as archive: - hash = hashlib.new(algorithm) - for chunk in read_chunks(archive): - hash.update(chunk) - return hash.hexdigest()