view mercurial/utils/hashutil.py @ 46102:7ce24d3761e8

procutil: don't assign stdin to None, use os.devnull instead

It will be painful to take care of procutil.stdin being None everywhere.

Thanks to Yuya who recommended it.

from __future__ import absolute_import

import hashlib

try:
    from ..thirdparty import sha1dc

    sha1 = sha1dc.sha1
except (ImportError, AttributeError):
    sha1 = hashlib.sha1