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Async pubsub implementation.

Project description

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AioSubPub

Async pub sub implementation.

Inspired by someone else whose name I cannot find anymore. If you see your code (I did some improvements on it I think) please let me know and I am happy to give you credit.

Installation

pip install aiosubpub

Usage

import aiosubpub
import asyncio
loop=asyncio.get_event_loop()

# create a channel
a_channel = aiosubpub.Channel()

# subscribe to the channel using a callback.
def call_back(data):
    print(data)

subscription = loop.create_task(a_channel.subscribe(call_back))

# Publish a message.
a_channel.publish("a message")

subscription.un_subscribe()


# Without callback:

subscription = a_channel.get_subscription()

async def _custom_subscriber():
    with subscription as sub:
        result = await sub.get()
        print(result)

a_channel.publish("a message")

result = await _custom_subscriber()

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