INNER CODE UNIT · Python

EventCallback

permitio/fastapi_websocket_pubsub · fastapi_websocket_pubsub/event_notifier.py:40

def EventCallback(subscription: Subscription, data: Any):
    pass


class EventNotifier:
    """
    A Basic Pub/Sub class using callback functions as the
    Subscribers subscribe using self.subscribe, choosing topics to subscribe to
    and passing a callback that will be called on a publish/notify event (with the topic and data)


    Usage example:
        notifier = EventNotifier()

        #subscriber
        notifier.subscribe( notifier.gen_subscriber_id(), ["dinner is served", "breakfast is served"],
                            lambda topic, data: print(f"{topic}, let's eat. We have: {data}") )

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