python_message.py 文件源码

def __init__(self, parent_message):
    """Args:
      parent_message: The message whose _Modified() method we should call when
        we receive Modified() messages.
    """




    if isinstance(parent_message, weakref.ProxyType):
      self._parent_message_weakref = parent_message
    else:
      self._parent_message_weakref = weakref.proxy(parent_message)




    self.dirty = False