Wrapper for the PIKA for asyncio and humans. See examples and the tutorial in documentation.
If you are newcomer in the RabbitMQ let's start the adopted official RabbitMQ tutorial
- Completely asynchronous API.
- Object oriented API.
- Transparent auto-reconnects with complete state recovery with connect_robust (e.g. declared queues or exchanges, consuming state and bindings).
- Python 3.4+ compatible (include 3.6).
- Transparent publisher confirms support
- Transactions support
pip install aio-pikaSimple consumer:
import asyncio
import aio_pika
async def main(loop):
connection = await aio_pika.connect_robust("amqp://guest:[email protected]/", loop=loop)
queue_name = "test_queue"
# Creating channel
channel = await connection.channel() # type: aio_pika.Channel
# Declaring queue
queue = await channel.declare_queue(queue_name, auto_delete=True) # type: aio_pika.Queue
async for message in queue:
with message.process():
print(message.body)
if queue.name in message.body.decode():
break
if __name__ == "__main__":
loop = asyncio.get_event_loop()
loop.run_until_complete(main(loop))
loop.close()Simple publisher:
import asyncio
import aio_pika
async def main(loop):
connection = await aio_pika.connect_robust("amqp://guest:[email protected]/", loop=loop)
routing_key = "test_queue"
channel = await connection.channel() # type: aio_pika.Channel
await channel.default_exchange.publish(
aio_pika.Message(
body='Hello {}'.format(routing_key).encode()
),
routing_key=routing_key
)
await connection.close()
if __name__ == "__main__":
loop = asyncio.get_event_loop()
loop.run_until_complete(main(loop))
loop.close()Get single message example:
import asyncio
from aio_pika import connect_robust, Message
async def main(loop):
connection = await connect_robust("amqp://guest:[email protected]/", loop=loop)
queue_name = "test_queue"
routing_key = "test_queue"
# Creating channel
channel = await connection.channel()
# Declaring exchange
exchange = await channel.declare_exchange('direct', auto_delete=True)
# Declaring queue
queue = await channel.declare_queue(queue_name, auto_delete=True)
# Binding queue
await queue.bind(exchange, routing_key)
await exchange.publish(
Message(
bytes('Hello', 'utf-8'),
content_type='text/plain',
headers={'foo': 'bar'}
),
routing_key
)
# Receiving message
incoming_message = await queue.get(timeout=5)
# Confirm message
incoming_message.ack()
await queue.unbind(exchange, routing_key)
await queue.delete()
await connection.close()
if __name__ == "__main__":
loop = asyncio.get_event_loop()
loop.run_until_complete(main(loop))See another examples and the tutorial in documentation.
This software follows Semantic Versioning
You feel free to create pull request, but you should describe your cases and add some examples.
The changes should follow simple rules:
- When your changes breaks public API you must increase the major version.
- When your changes is safe for public API (e.g. added an argument with default value)
- You have to add test cases (see tests/ folder)
- You must add docstrings
- You feel free to add yourself to "thank's to" section
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