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It seems that it's possible to have both Java and Python modules in the same gae App - see the answer to this question. Various browsing and searching indicates that not only is it possible, but that it's been done, but I can't find any details.

I think I understand how to do it, but I can't work out how to use the Java and Python SDKs together to do the development. They seem to be completely different. Does anyone know how to do this?

(Why do I want to do this? I've got a reasonable front end developed in Python, which I really don't want to have to re-implement, but the heavy numeric calculations are just too slow. I'm seeing huge performance gains, as expected, from re-implementing the calculation engine in Java. All I need to do now is to hook it in instead of the current Python implementation ...)

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  • Have you checked if numpy (which is supported) improves your numeric calculations? Commented May 23, 2014 at 11:01
  • As to running both, you should read through modules developers.google.com/appengine/docs/python/modules Commented May 23, 2014 at 11:02
  • I've read both the Python and Java documentation on modules. Neither mentions the other. And I can't find anything anywhere that discusses using the SDK across languages, which is what this question is about. Commented May 23, 2014 at 12:21
  • Each module can be a different language. Commented May 23, 2014 at 13:48
  • A quick search on SO has some discussion on this stackoverflow.com/questions/18382955/… Commented May 23, 2014 at 13:49
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