def multi_line_conditions(self, info):
node = _parse_text(info.source[info.region[0]:info.region[1]])
count = usefunction._return_count(node)
if count > 1:
raise RefactoringError('Extracted piece can have only one '
'return statement.')
if usefunction._yield_count(node):
raise RefactoringError('Extracted piece cannot '
'have yield statements.')
if count == 1 and not usefunction._returns_last(node):
raise RefactoringError('Return should be the last statement.')
if info.region != info.lines_region:
raise RefactoringError('Extracted piece should '
'contain complete statements.')
def returned(self):
"""Does the extracted piece contain return statement"""
if self._returned is None:
node = _parse_text(self.extracted)
self._returned = usefunction._returns_last(node)
return self._returned
