Yesterday I published pyMessaging, a Python toolkit for accessing message brokers along the lines of JMS.

At the moment we use it with ActiveMQ. We have serious issues with the ActiveMQ/Stomp combo. ActiveMQ does not retain Message ordering and under somewhat higher load conditions it starts losing messages. This issues come and go as they like. Yesterday the unit tests where running smoothly, today 5% of them fail.

But for low-load, low reliability application it can be used. Still it is very distressing that a software stack is acting in such an unpredictable way.

I’m aiming to test pyMessaging with other brokers and implement additional protocols, like AMQP.

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