[Python-Dev] howto return malloc()ed memory from C -> Python

[Uwe Mayer]

Hi,

I am wrapping libsndfile to Python, using SWIG and don't know howto return a 
malloc()ed memory area back to Python.

I've found CObjects, which would let me pass free() as cleanup function, but 
I'd rather return a buffer object (PyBuffer_FromReadWriteMemory) so that I 
could prevent copying of data, but I don't know how to prevent the memory 
leak then. 
Can I install some kind of cleanup hook?

Please also reply to me personally, as I am not on the python-dev list.

Thanks,
Uwe
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