How to combine own C-extension in own Python Package

Question

I created own Python Package in which I want to add own Python C Extension, because in Python Package I'm importing this C-Ext. I want to install it from local files, not pypi. I have dist files of C Extension, and I wonder how to do it properly. I assume that I should do some configuration in setup.py. Maybe something like Extension object where I can define own source for package?

setuptools.setup(
    ...
    packages=[Extension('ownpackage', '/package.tar.gz')],
    ...
)

Answer 1

After a while I found the answer. Just add source files to project dir and setup.py

Extension("c_ext", ["module/c_exts/main.c", ...]),

Then build module.