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def _parse_hunk(diff, source_start, source_len, target_start, target_len,
section_header):
"""Parse a diff hunk details."""
hunk = Hunk(source_start, source_len, target_start, target_len,
section_header)
source_line_no = hunk.source_start
target_line_no = hunk.target_start
for line in diff:
valid_line = RE_HUNK_BODY_LINE.match(line)
if not valid_line:
raise UnidiffParseError('Hunk diff line expected: %s' % line)
line_type = valid_line.group('line_type')
value = valid_line.group('value')
original_line = Line(value, line_type=line_type)
if line_type == LINE_TYPE_ADDED:
original_line.target_line_no = target_line_no
target_line_no += 1
elif line_type == LINE_TYPE_REMOVED:
original_line.source_line_no = source_line_no
source_line_no += 1
elif line_type == LINE_TYPE_CONTEXT:
original_line.target_line_no = target_line_no
target_line_no += 1
original_line.source_line_no = source_line_no
def _parse_hunk(self, header, diff, encoding):
"""Parse hunk details."""
header_info = RE_HUNK_HEADER.match(header)
hunk_info = header_info.groups()
hunk = Hunk(*hunk_info)
source_line_no = hunk.source_start
target_line_no = hunk.target_start
expected_source_end = source_line_no + hunk.source_length
expected_target_end = target_line_no + hunk.target_length
for diff_line_no, line in diff:
if encoding is not None:
line = line.decode(encoding)
valid_line = RE_HUNK_BODY_LINE.match(line)
if not valid_line:
valid_line = RE_HUNK_EMPTY_BODY_LINE.match(line)
if not valid_line:
raise UnidiffParseError('Hunk diff line expected: %s' % line)
line_type = valid_line.group('line_type')
if line_type == LINE_TYPE_EMPTY:
line_type = LINE_TYPE_CONTEXT
value = valid_line.group('value')
original_line = Line(value, line_type=line_type)
if line_type == LINE_TYPE_ADDED:
original_line.target_line_no = target_line_no
target_line_no += 1
elif line_type == LINE_TYPE_REMOVED:
original_line.source_line_no = source_line_no