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python – 使用pika的start_consuming方法中断线程
我有一个线程,它使用pika监听来自rabbitmq的新消息.使用BlockingConnection配置连接后,我开始通过start_consuming消费消息.如何中断启动消耗方法调用,例如,以正常方式停止线程?
最佳答案
您可以使用 consume generator而不是start_consuming.

import threading

import pika


class WorkerThread(threading.Thread):
    def __init__(self):
        super(WorkerThread, self).__init__()
        self._is_interrupted = False

    def stop(self):
        self._is_interrupted = True

    def run(self):
        connection = pika.BlockingConnection(pika.ConnectionParameters())
        channel = connection.channel()
        channel.queue_declare("queue")
        for message in channel.consume("queue", inactivity_timeout=1):
            if self._is_interrupted:
                break
            if not message:
                continue
            method, properties, body = message
            print(body)

def main():
    thread = WorkerThread()
    thread.start()
    # some main thread activity ...
    thread.stop()
    thread.join()


if __name__ == "__main__":
    main()
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