setup.py

from setuptools import setup, Extension

ext_mod = Extension("_rundec",
                    sources=["_rundec.cc", "CRunDec3/CRunDec.3.1.cpp"],
                    define_macros=[('Py_LIMITED_API', '0x030A0000')],
                    py_limited_api=True,
                    )

setup(name="rundec",
      version="0.7",
      author="David M. Straub",
      author_email="david.straub@hm.edu",
      url="https://github.com/DavidMStraub/rundec-python",
      description="A Python wrapper around the CRunDec package for the "
                  " running and decoupling of the strong coupling constant "
                  "and quark masses",
      long_description="""`CRunDec` is a C++ program developed by
      Florian Herren and Matthias Steinhauser. This Python package
      provides a thin wrapper around `CRunDec` generated with SWIG.""",
      license="MIT",
      py_modules=['rundec'],
      ext_modules=[ext_mod],
      extras_require={'testing': ['pytest']},
      options={'bdist_wheel': {'py_limited_api': 'cp310'}},
      )