yaml_listener.py 文件源码

def HandleEvent(self, event, loader=None):
    """Handle individual PyYAML event.

    Args:
      event: Event to forward to method call in method call.

    Raises:
      IllegalEvent when receives an unrecognized or unsupported event type.
    """

    if event.__class__ not in _EVENT_METHOD_MAP:
      raise yaml_errors.IllegalEvent(
            "%s is not a valid PyYAML class" % event.__class__.__name__)

    if event.__class__ in self._event_method_map:
      self._event_method_map[event.__class__](event, loader)