code: def parser(self):
          '''
          Get parser for this type. Create the parser on first call.
          '''
          if not hasattr(self, '_parser'):
              self._parser = self._compile()
          return self._parsef parser(self):
          '''
          Get parser for this type. Create the parser on first call.
          '''
          if not hasattr(self, '_parser'):
              self._parser = self._compile()
          return self._parser
docs: Get parser for this type. Create the parser on first call.