CPython from Java?

Question

I need to call CPython code from Java. What tools/APIs/libraries exist out there to help me do this?

Jython is not an option since the Python code is heavily dependent upon numpy.

edit 1: The main() function should be Java, not Python (i.e. I need to embed CPython into Java, not vice versa.)

edit 2: I should also mention that I'll be passing large numeric arrays between Java and Python and therefore a solution that brings the two into the same process space would be preferable (but not mandatory.)

wkl · Accepted Answer · 2010-11-25 15:10:25Z

4

You can take a look at using Jepp to embed CPython into Java. Read documentation here.

edit: For windows the project has prebuilt binaries for Python 2.4, 2.5, and 2.6. For Linux/Unix systems, you have to build it yourself.

answered Nov 25, 2010 at 15:10

wkl

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Daren Thomas · Accepted Answer · 2010-11-25 14:59:20Z

-1

You probably want to read the docs on embedding a CPython interpreter. Also, on how to load native libraries in Java (was that called JNI?)

answered Nov 25, 2010 at 14:59

Daren Thomas

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NPE Over a year ago

Thanks. As it happens, I am reasonably familiar both with extending/embedding CPython, and with JNI. However, I view doing things this way as the last resort due to the amount of work it'll require for every function/class I'll be exposing from CPython to Java. I was hoping some work has already been done by others to help ease the pain.

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