45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
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"""Basic message consumer example"""
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import functools
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import logging
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import pika
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LOG_FORMAT = ('%(levelname) -10s %(asctime)s %(name) -30s %(funcName) '
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'-35s %(lineno) -5d: %(message)s')
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LOGGER = logging.getLogger(__name__)
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logging.basicConfig(level=logging.DEBUG, format=LOG_FORMAT)
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def on_message(chan, method_frame, _header_frame, body, userdata=None):
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"""Called when a message is received. Log message and ack it."""
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LOGGER.info('Userdata: %s Message body: %s', userdata, body)
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chan.basic_ack(delivery_tag=method_frame.delivery_tag)
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def main():
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"""Main method."""
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credentials = pika.PlainCredentials('guest', 'guest')
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parameters = pika.ConnectionParameters('localhost', credentials=credentials)
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connection = pika.BlockingConnection(parameters)
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channel = connection.channel()
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channel.exchange_declare(exchange="test_exchange",
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exchange_type="direct",
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passive=False,
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durable=True,
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auto_delete=False)
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channel.queue_declare(queue="standard", auto_delete=True)
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channel.queue_bind(queue="standard", exchange="test_exchange", routing_key="standard_key")
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channel.basic_qos(prefetch_count=1)
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on_message_callback = functools.partial(on_message, userdata='on_message_userdata')
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channel.basic_consume(on_message_callback, 'standard')
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try:
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channel.start_consuming()
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except KeyboardInterrupt:
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channel.stop_consuming()
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connection.close()
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if __name__ == '__main__':
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main()
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