code: def _parse_summary(self):
          
          if self._is_at_section():
              return
  
          # If several signatures present, take the last one
          while True:
              summary = self._doc.read_to_next_empty_line()
              summary_str = " ".join([s.strip() for s in summary]).strip()
              if re.compile('^([\w., ]+=)?\s*[\w\.]+\(.*\)$').match(summary_str):
                  self['Signature'] = summary_str
                  if not self._is_at_section():
                      continue
              break
  
          if summary is not None:
              self['Summary'] = summary
  
          if not self._is_at_section():
              self['Extended Summary'] = self._read_to_next_section()
docs: Grab signature (if given) and summary