Python complex event processing

Are there any Python alternatives similar to Esper (Java and .NET) that deal with complex 开发者_开发技巧event processing (CEP)?

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Casual browsing indicates that this is not a very common problem domain for Python (although very interesting!). The framework that closest come to my mind is PEAK-Rules or dynrules.

There might be more, but not widely known (I'll search a bit more)

For your own digging: the place to find Python projects is first and foremost PyPI.

(@cues7a: Twisted, while indeed being an event framework, is too low-level to be comparable to Esper.)

Edit: It seems you can control Sybase's CEP products with Python

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The ruleCore CEP Server uses dynamically loaded Python modules which can be used to extend it. The internal architecture is build around a central event bus which uses a pub/sub approach. So each module can subscribe to internal events and publish events based on logic inside the module.

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What about Twisted Matrix?