Files
hse-2026/materials/05-indirect-comm/seminar/dead_letter/consumer/consumer.py
T
2026-10-07 20:52:26 +03:00

22 lines
683 B
Python

import pika
import time
connection = pika.BlockingConnection(pika.ConnectionParameters(host='rabbitmq', port=5672))
channel = connection.channel()
def callback(ch, method, properties, body):
if body.startswith(b'warning'):
print('got new warning (body = "{}")'.format(body))
ch.basic_ack(delivery_tag=method.delivery_tag)
elif body.startswith(b'error'):
print('got new error (body = "{}")'.format(body))
ch.basic_ack(delivery_tag=method.delivery_tag)
else:
ch.basic_nack(delivery_tag=method.delivery_tag, requeue=False)
time.sleep(1)
channel.basic_consume(queue='logs', on_message_callback=callback)
channel.start_consuming()