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#!/usr/bin/env python
#-*- coding:utf-8 -*-
#
# Copyright © 2009 Germán Póo-Caamaño <gpoo@gnome.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 Library 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
import sys
from patterns import patterns
class LogPatchSplitter:
"""
LogPatchSplitters provides a iterator to extract every
changeset from a git log output.
Typical use case:
patches = LogPatchSplitter(sys.stdin)
for patch in patches:
parse_patch(patch)
"""
def __init__(self, fd):
self.fd = fd
self.buffer = None
self.patch = []
def __iter__(self):
return self
def next(self):
patch = self.__grab_patch__()
if not patch:
raise StopIteration
return patch
def __grab_patch__(self):
"""
Extract a patch from the file descriptor and the
patch is returned as a list of lines.
"""
patch = []
line = self.buffer or self.fd.readline()
while line:
m = patterns['commit'].match(line)
if m:
patch = [line]
break
line = self.fd.readline()
if not line:
return None
line = self.fd.readline()
while line:
# If this line starts a new commit, drop out.
m = patterns['commit'].match(line)
if m:
self.buffer = line
break
patch.append(line)
self.buffer = None
line = self.fd.readline()
return patch
if __name__ == '__main__':
patches = LogPatchSplitter(sys.stdin)
for patch in patches:
print '---------- NEW PATCH ----------'
for line in patch:
print line,
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