使用 celery 往指定的 exchange 发送消息 - V2EX
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qq976739120
V2EX    Python

使用 celery 往指定的 exchange 发送消息

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  •   qq976739120
    qq976739120 2018-08-29 15:01:47 +08:00 2934 次点击
    这是一个创建于 2630 天前的主题,其中的信息可能已经有所发展或是发生改变。

    celery 文档上的用法好像是声明好 exchange,queue,绑定好之后往队列里发,但是我现在的场景是直接发到 exchange 里就可以,queue 谁来绑定我并不关心,我也不要去做声明用 kombu 自己实现很容易,但是 celery 有什么方法做到吗,我看到的都是直接往 queue 里发.消息队列用的 rmq,类型是 topic,顺便求 flask+celery+rmq 的的最佳实践.以下是我用 kombu 的实现

    def send_as_task( exchange_name, args=(), kwargs={}, routing_key=''): exchange = Exchange(name=exchange_name, type='topic', durable=True, auto_delete=False) payload = {'args': args, 'kwargs': kwargs} with producers[config_use.get_connection()].acquire(block=True) as producer: producer.publish(body=payload, serializer='json', compression='bzip2', exchange=exchange, declare=[exchange], routing_key=routing_key, retry=True, retry_policy={ 'interval_start': 0, # First retry immediately, 'interval_step': 2, # then increase by 2s for every retry. 'interval_max': 30, # but don't exceed 30s between retries.) 'max_retries': 30, # give up after 30 tries. }, ) 
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