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# vim: set fileencoding=utf-8 :
#
# (C) 2011 Guido Guenther <agx@sigxcpu.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Git commit class and helpers"""
import re
from gbp.git.errors import GitError
class GitCommit(object):
"""A git commit"""
sha1_re = re.compile(r'[0-9a-f]{40}$')
@staticmethod
def is_sha1(value):
"""
Is I{value} a valid 40 digit SHA1?
>>> GitCommit.is_sha1('asdf')
False
>>> GitCommit.is_sha1('deadbeef')
False
>>> GitCommit.is_sha1('17975594b2d42f2a3d144a9678fdf2c2c1dd96a0')
True
>>> GitCommit.is_sha1('17975594b2d42f2a3d144a9678fdf2c2c1dd96a0toolong')
False
@param value: the value to check
@type value: C{str}
@return: C{True} if I{value} is a 40 digit SHA1, C{False} otherwise.
@rtype: C{bool}
"""
return True if GitCommit.sha1_re.match(value) else False
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