mercurial/utils/hashutil.py

chistedit: support histedit.summary-template in curses histedit plan

Differential Revision: https://phab.mercurial-scm.org/D8296

from __future__ import absolute_import

import hashlib

try:
    from ..thirdparty import sha1dc

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