import pika
import time


def callback(ch, method, properties, body):
    print(f'Consumer 1: получено сообщение. {body.decode()}')

    time.sleep(3)

    print('Consumer 1 закончил обработку')
    ch.basic_ack(method.delivery_tag)


def consume_events_1():
    connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("superuser", "superpassword")))
    channel = connection.channel()

    channel.queue_declare(queue='consumer1_queue')
    channel.queue_bind(exchange='ml_events', queue='consumer1_queue')

    channel.basic_consume(queue='consumer1_queue', on_message_callback=callback)

    print('Ожидание сообщения...')
    channel.start_consuming()


if __name__ == "__main__":
    consume_events_1()