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# This file is part of the xxdiff package. See xxdiff for license and details.
"""
Functions to manipulate patches.
"""
__author__ = 'Martin Blais <blais@furius.ca>'
# stdlib imports.
import re
def splitpatch(text):
"""
Split output in chunks starting with ^Index. Returns a list of pairs
(tuples), each with (filename, patch) contents.
"""
## splitre = re.compile('^Index: (.*)$', re.M)
splitre = re.compile('^Index: (.*)$', re.M)
chunks = []
curbeg, curfn = None, None
for mo in splitre.finditer(text):
if curbeg != None:
assert curfn
chunks.append( (curfn, text[curbeg:mo.start()]) )
curbeg = mo.start()
curfn = mo.group(1)
if curbeg != None:
chunks.append( (curfn, text[curbeg:]) )
return chunks
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