setup.py

from setuptools import setup, find_packages, Extension

# Use DESCRIPTION.md for the PyPi listing.
with open('DESCRIPTION.md', 'r') as description_file:
    long_desc = description_file.read()

orthtree_extension = Extension("orthtree", sources=["orthtree/orthtree.c"])

setup(
    # Basic Data
    name='orthtree',
    version='0.1.0',

    # Metadata on PyPi
    author='AssortedFantasy',
    author_email='jehanzeb.mirza@yahoo.com',
    description='fast spacially aware n-dimensional container type',
    long_description=long_desc,
    license='MIT',
    keywords='quadtree octtree dimensions fast',
    url='https://github.com/AssortedFantasy/orthtrees',
    classifiers=[
        'Development Status :: 3 - Alpha',
        'Intended Audience :: Developers',
        'License :: OSI Approved :: MIT License',

        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.6',

        'Operating System :: Microsoft :: Windows',
    ],

    # Packaging and Dependencies
    packages=find_packages(exclude=['docs', 'tests*']),
    py_modules=[],
    ext_modules=[orthtree_extension],

    # Write the names of dependencies. Ex: numpy, as strings
    install_requires=[],
    python_requires='>=3',
)