UnidiffParseError: Hunk is longer than expected when ^M is used #104
Description
The following patch file can't be parsed even though it can be properly applied by git am command:
0001-Add-M-character.patch.txt
In [4]: unidiff.PatchSet(open('0001-Add-M-character.patch'))
---------------------------------------------------------------------------
UnidiffParseError Traceback (most recent call last)
Cell In [4], line 1
----> 1 unidiff.PatchSet(open('0001-Add-M-character.patch'))
File /usr/lib/python3.10/site-packages/unidiff/patch.py:461, in PatchSet.__init__(self, f, encoding, metadata_only)
456 data = iter(f)
457 # if encoding is None, assume we are reading unicode data
458 # when metadata_only is True, only perform a minimal metadata parsing
459 # (ie. hunks without content) which is around 2.5-6 times faster;
460 # it will still validate the diff metadata consistency and get counts
--> 461 self._parse(data, encoding=encoding, metadata_only=metadata_only)
File /usr/lib/python3.10/site-packages/unidiff/patch.py:549, in PatchSet._parse(self, diff, encoding, metadata_only)
547 if current_file is None:
548 raise UnidiffParseError('Unexpected hunk found: %s' % line)
--> 549 current_file._parse_hunk(line, diff, encoding, metadata_only)
550 continue
552 # check for no newline marker
File /usr/lib/python3.10/site-packages/unidiff/patch.py:346, in PatchedFile._parse_hunk(self, header, diff, encoding, metadata_only)
343 # stop parsing if we got past expected number of lines
344 if (source_line_no > expected_source_end or
345 target_line_no > expected_target_end):
--> 346 raise UnidiffParseError('Hunk is longer than expected')
348 if original_line:
349 original_line.diff_line_no = diff_line_no
UnidiffParseError: Hunk is longer than expected