signal_utils.py 文件源码

def reconnect_signals(self):
        """
            Reconnect the signals
        """
        for signal, receivers in self.signal_map.items():
            for sender_id, receiver in receivers:
                lookup_key, receiver_method = receiver
                if isinstance(receiver_method, weakref.ReferenceType):
                    receiver_method = receiver_method()

                signal.connect(
                    receiver_method,
                    sender=self.senders[sender_id],
                    dispatch_uid=lookup_key[0])