DAS_2024_1/bazunov_andrew_lab_4/example/vk_reader.py

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2024-10-26 17:51:52 +04:00
import sys
from datetime import datetime
import pika
_QUEUE_NAME = "vk_messages_queue"
_EXCHANGE_NAME = "vk_messages"
def main():
connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
channel = connection.channel()
channel.exchange_declare(
exchange=_EXCHANGE_NAME,
exchange_type='fanout'
)
channel.queue_declare(queue=_QUEUE_NAME, exclusive=True)
channel.queue_bind(exchange=_EXCHANGE_NAME, queue=_QUEUE_NAME)
def callback(ch, method, properties, body):
now = datetime.now()
current_time = now.strftime("%H:%M:%S")
print(f"[vkReader] Received [{str(body)}] in [{current_time}]")
ch.basic_ack(delivery_tag=method.delivery_tag)
channel.basic_consume(
queue=_QUEUE_NAME,
on_message_callback=callback,
auto_ack=False
)
print('[*] Waiting for messages. To exit press CTRL+C')
channel.start_consuming()
if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
print('Interrupted')
sys.exit(0)