setup.py

import os
from setuptools import setup, find_packages

def load_text(path):
    with open(path) as f:
        return f.read()

# load information about package
path = os.path.join(os.path.dirname(__file__), "pymatting", "__about__.py")
about = {}
exec(load_text(path), about)

setup(
    name=about["__title__"],
    version=about["__version__"],
    url=about["__uri__"],
    author=about["__author__"],
    author_email=about["__email__"],
    description=about["__summary__"],
    long_description=load_text("README.md"),
    long_description_content_type="text/markdown",
    license=about["__license__"],
    packages=find_packages(),
    install_requires=load_text("requirements.txt").strip().split("\n"),
    keywords='alpha matting',
    python_requires='>=3',
    classifiers=[
        "Programming Language :: Python :: 3",
        "License :: OSI Approved :: MIT License",
        "Operating System :: Linux",
        "Operating System :: Microsoft :: Windows",
        "Operating System :: MacOS",
    ],
    project_urls={
        "Source": about["__uri__"],
    }
)