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Pubsub system for aio framework

Project description

aio.signals
===========

Pubsub system for the aio_ asyncio framework

.. _aio: https://github.com/phlax/aio


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Build status
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.. image:: https://travis-ci.org/phlax/aio.signals.svg?branch=master
:target: https://travis-ci.org/phlax/aio.signals

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Installation
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Install with:

.. code:: bash

pip install aio.signals

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Code example
------------

.. code:: python

The callback listener takes 2 arguments, the name of the signal, and the argument that was emitted

The listen function is called synchronously, but the callback listener should be a coroutine or future

The emit function is a coroutine

.. code:: python

import asyncio
from aio.signals import Signals

@asyncio.coroutine
def listener(signal, message):
print(message)

signals = Signals()
signals.listen("my-signal", listener)

loop = asyncio.get_event_loop()
loop.run_until_complete(
signals.emit("my-signal", 'BOOM!'))

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