{"library":"pika","title":"Pika Python AMQP Client","description":"Pika is a Python AMQP client library that provides both synchronous (BlockingConnection) and asynchronous (e.g., AsyncioConnection) interfaces for interacting with AMQP 0-9-1 brokers like RabbitMQ. The library is actively maintained, with regular patch and minor releases (currently at 1.3.2, with 1.4.0 in beta), addressing bug fixes, performance improvements, and Python compatibility.","language":"python","status":"active","last_verified":"Wed May 13","install":{"commands":["pip install pika"],"cli":null},"imports":["from pika import BlockingConnection","from pika import ConnectionParameters","from pika import PlainCredentials","from pika.adapters.asyncio_connection import AsyncioConnection"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"import pika\nimport os\n\ndef callback(ch, method, properties, body):\n    print(f\" [x] Received {body.decode()}\")\n\n# Get RabbitMQ host from environment or default to localhost\nrabbitmq_host = os.environ.get('RABBITMQ_HOST', 'localhost')\n\nconnection = None\nchannel = None\ntry:\n    # Establish connection\n    connection = pika.BlockingConnection(pika.ConnectionParameters(host=rabbitmq_host))\n    channel = connection.channel()\n\n    # Declare a queue\n    channel.queue_declare(queue='hello')\n\n    # Publish a message\n    channel.basic_publish(exchange='', routing_key='hello', body='Hello World!')\n    print(\" [x] Sent 'Hello World!'\")\n\n    # Start consuming (example consumer setup)\n    # channel.basic_consume(queue='hello', on_message_callback=callback, auto_ack=True)\n    # print(' [*] Waiting for messages. To exit press CTRL+C')\n    # channel.start_consuming()\n\nfinally:\n    # Ensure channel and connection are closed\n    if channel and channel.is_open:\n        channel.close()\n    if connection and connection.is_open:\n        connection.close()\n","lang":"python","description":"This quickstart demonstrates a simple Pika producer using BlockingConnection to connect to a RabbitMQ instance (defaulting to localhost) and publish a message to a 'hello' queue. 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