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An AsyncIO RabbitMQ Client Library

Project description

aiorabbit is an opinionated AsyncIO RabbitMQ client for Python 3 (3.7+).

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Project Goals

  • To create a simple, robust RabbitMQ client library for AsyncIO development in Python 3.

  • To make use of new features and capabilities in Python 3.7+.

  • Remove some complexity in using an AMQP client by:
    • Abstracting away the AMQP channel and use it only as a protocol coordination mechanism inside the client.
    • Remove the nowait keyword to ensure a single round-trip pattern of behavior for client usage.
  • To automatically reconnect when a connection is closed due to an AMQP exception/error.

    When such a behavior is encountered, the exception is raised, but the client continues to operate if the user catches and logs the error.

  • To automatically create a new channel when the channel is closed due to an AMQP exception/error.

    When such a behavior is encountered, the exception is raised, but the client continues to operate if the user catches and logs the error.

  • To ensure correctness of API usage, including values passed to RabbitMQ in AMQ method calls.

Example Use

The following demonstrates an example of using the library to publish a message with publisher confirmations enabled:

import asyncio
import datetime
import uuid

import aiorabbit

RABBITMQ_URL = 'amqps://guest:guest@localhost:5672/%2f'


async def main():
    async with aiorabbit.connect(RABBITMQ_URL) as client:
        await client.confirm_select()
        if not await client.publish(
                'exchange',
                'routing-key',
                'message-body',
                app_id='example',
                message_id=str(uuid.uuid4()),
                timestamp=datetime.datetime.utcnow()):
            print('Publishing failure')

if __name__ == '__main__':
    asyncio.get_event_loop().run_until_complete(main())

License

Copyright (c) 2019-2020 Gavin M. Roy All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  • Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Python Versions Supported

3.7+

Project details


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