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/opt/alt/python37/lib/python3.7/site-packages/pip/_internal/commands/

/opt/alt/python37/lib/python3.7/site-packages/pip/_internal/commands

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
cache.py	5676	0644	edit dl rm
cache.pyc	5611	0644	edit dl rm
cache.pyo	5611	0644	edit dl rm
check.py	1677	0644	edit dl rm
check.pyc	1965	0644	edit dl rm
check.pyo	1965	0644	edit dl rm
completion.py	3081	0644	edit dl rm
completion.pyc	3616	0644	edit dl rm
completion.pyo	3616	0644	edit dl rm
configuration.py	9344	0644	edit dl rm
configuration.pyc	9903	0644	edit dl rm
configuration.pyo	9903	0644	edit dl rm
debug.py	7314	0644	edit dl rm
debug.pyc	8288	0644	edit dl rm
debug.pyo	8288	0644	edit dl rm
download.py	4918	0644	edit dl rm
download.pyc	4836	0644	edit dl rm
download.pyo	4836	0644	edit dl rm
freeze.py	3452	0644	edit dl rm
hash.py	1843	0644	edit dl rm
hash.pyc	2793	0644	edit dl rm
hash.pyo	2793	0644	edit dl rm
help.py	1270	0644	edit dl rm
help.pyc	1731	0644	edit dl rm
help.pyo	1731	0644	edit dl rm
install.py	28727	0644	edit dl rm
install.pyc	21122	0644	edit dl rm
install.pyo	21060	0644	edit dl rm
list.py	11312	0644	edit dl rm
search.py	5756	0644	edit dl rm
search.pyc	6054	0644	edit dl rm
search.pyo	6013	0644	edit dl rm
show.py	6996	0644	edit dl rm
show.pyc	7000	0644	edit dl rm
show.pyo	7000	0644	edit dl rm
uninstall.py	3311	0644	edit dl rm
uninstall.pyc	3576	0644	edit dl rm
uninstall.pyo	3576	0644	edit dl rm
wheel.py	6419	0644	edit dl rm
wheel.pyc	5978	0644	edit dl rm
wheel.pyo	5886	0644	edit dl rm
__init__.py	4100	0644	edit dl rm
__init__.pyc	3570	0644	edit dl rm
__init__.pyo	3570	0644	edit dl rm

Edit: /opt/alt/python37/lib/python3.7/site-packages/pip/_internal/commands/hash.py (1843B)

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, SUCCESS
from pip._internal.utils.hashes import FAVORITE_HASH, STRONG_HASHES
from pip._internal.utils.misc import read_chunks, write_output
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 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 add_options(self):
        # type: () -> None
        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 {}'.format(
                 ', '.join(STRONG_HASHES)))
        self.parser.insert_option_group(0, self.cmd_opts)

def run(self, options, args):
        # type: (Values, List[str]) -> int
        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))
        return SUCCESS

def _hash_of_file(path, algorithm):
    # type: (str, str) -> str
    """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()

cmd: