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Asked: 2026-06-11T13:42:15+00:00

I use distutils to compile a swig-based extension module: python setup.py build_ext produces the

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I use distutils to compile a swig-based extension module:

python setup.py build_ext produces the file _my_module_ext.cpython-32m.so (from a .c and a .i file). This name appears to depend on the python version used (in my case, it’s python 3.2).

How can I access the name of this shared-object from within setup.py or even from within a module in the installed package?

The reason I need this is, that I have a separate, ctypes-based python-file that wants to load this file using numpy.ctypeslib.load_library.

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1 Answer

  1. Editorial Team

    The suffix is available through sysconfig.get_config_var('SO'). Read more about ABI-tagged shared libraries at PEP 3149.

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