mailbox.py 文件源码

def addListener(self, listener):
        """
        Add a listener to the listeners queue.
        The server adds itself as a listener when there is a SELECT,
        so it can send EXIST commands.

        :param listener: listener to add
        :type listener: an object that implements IMailboxListener
        """

        listeners = self.listeners
        self.log.debug('Adding mailbox listener: %s. Total: %s' % (
                       listener, len(listeners)))
        listeners.add(listener)