from setuptools import ( Extension, setup, ) # assert that the Python version as written to text_info.txt in the CIBW_BEFORE_ALL step # is the same one as is currently running. with open("text_info.txt") as f: stored_text = f.read() print("## stored text: " + stored_text) assert stored_text == "sample text 123" setup( name="spam", ext_modules=[Extension('spam', sources=['spam.c'])], version="0.1.0", )