Function receiver

django/dispatch/dispatcher.py:536–558

A decorator for connecting receivers to signals. Used by passing in the signal (or list of signals) and keyword arguments to connect:: @receiver(post_save, sender=MyModel) def signal_receiver(sender, **kwargs): ... @receiver([post_save, post_delete], se

(signal, **kwargs)

def receiver(signal, **kwargs):
    """
    A decorator for connecting receivers to signals. Used by passing in the
    signal (or list of signals) and keyword arguments to connect::

        @receiver(post_save, sender=MyModel)
        def signal_receiver(sender, **kwargs):
            ...

        @receiver([post_save, post_delete], sender=MyModel)
        def signals_receiver(sender, **kwargs):
            ...
    """

    def _decorator(func):
        if isinstance(signal, (list, tuple)):
            for s in signal:
                s.connect(func, **kwargs)
        else:
            signal.connect(func, **kwargs)
        return func

    return _decorator