'Send the signal to the receivers.'

def send(self, signal_name, **kwargs):

    signal = self._mapping[signal_name]
    responses = signal.send_robust(sender=self.modulestore_class, **kwargs)
    for (receiver, response) in responses:
        log.info('Sent    %s    signal    to    %s    with    kwargs    %s.    Response    was:    %s', signal_name, receiver, kwargs, response)
