swh-hash-file

#!/usr/bin/python3

# Copyright (C) 2018  The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information

import sys

from swh.model.from_disk import Content
from swh.model.hashutil import hash_to_hex


HASH_ALGO = 'sha1_git'


def hash_file(fname):
    return hash_to_hex(Content.from_file(path=fname.encode()).hash)


def main(fnames):
    for f in fnames:
        print(f, hash_file(f), sep='\t')


if __name__ == '__main__':
    fnames = sys.argv[1:]
    if not fnames:
        print('Usage: swh-hash-file FILE...')
        sys.exit(2)

    main(fnames)