Mercurial > hgrepos > Python > apps > py-cutils
comparison shasum.py @ 1:bbf4e0f5b651
Begin the shasum.py script
| author | Franz Glasner <fzglas.hg@dom66.de> |
|---|---|
| date | Thu, 03 Dec 2020 09:05:35 +0100 |
| parents | |
| children | 5510a39a2d04 |
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| 0:a962496fc9b6 | 1:bbf4e0f5b651 |
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| 1 r""" | |
| 2 :Author: Franz Glasner | |
| 3 :Copyright: (c) 2020 Franz Glasner. | |
| 4 All rights reserved. | |
| 5 :License: BSD 3-Clause "New" or "Revised" License. | |
| 6 See :ref:`LICENSE <license>` for details. | |
| 7 If you cannot find LICENSE see | |
| 8 <https://opensource.org/licenses/BSD-3-Clause> | |
| 9 :ID: @(#) HGid$ | |
| 10 | |
| 11 """ | |
| 12 | |
| 13 | |
| 14 import argparse | |
| 15 import hashlib | |
| 16 import sys | |
| 17 | |
| 18 | |
| 19 def main(argv=None): | |
| 20 | |
| 21 aparser = argparse.ArgumentParser( | |
| 22 description="Python implementation of shasum", | |
| 23 fromfile_prefix_chars='@') | |
| 24 | |
| 25 opts = aparser.parse_args(args=argv) | |
| 26 | |
| 27 | |
| 28 def compute_digest(hashobj, instream): | |
| 29 """ | |
| 30 | |
| 31 :param hashobj: a :mod:`hashlib` compatible hash algorithm instance | |
| 32 :param instream: a bytes input stream to read the data to be hashed from | |
| 33 :return: the digest in hex form | |
| 34 :rtype: str | |
| 35 | |
| 36 """ | |
| 37 | |
| 38 if __name__ == "__main__": | |
| 39 sys.exit(main()) |