setup.py

from setuptools import setup, find_packages
import os, sys

def parse_requirements(filename='requirements.txt'):
    with open(filename) as f:
        return f.read().splitlines()

try:
    if os.path.exists('requirements.txt'):
        install_requires = parse_requirements('requirements.txt')
except FileNotFoundError:
    print('ERROR: Requirements.txt file not found in repository.')
    sys.exit(1)
else:
    setup(
        name='q3avant',
        version='0.0.46',
        author='Jordy Veenstra / A Pixelated Point of View',
        author_email='jordy.gaptx@gmail.com',
        description='Random data-generating algorithm for experimental Quake III Arena Machinima (post-)production',
        long_description=open('README.md').read(),
        long_description_content_type='text/markdown',
        url='https://github.com/jiyorude/avant',
        project_urls={
            "GitHub": "https://www.github.com/jiyorude/avant",
            "BitBucket": "https://bitbucket.org/appov/avant/src/main/",
            "Documentation": "https://avant-docs.vercel.app/",
            "Issues": "https://github.com/jiyorude/avant/issues",
            "PyPi": "#"
        },
        package_dir={'': 'src'},
        packages=find_packages(where='src'),
        install_requires=install_requires,
        classifiers=[
            'Programming Language :: Python :: 3',
            'License :: OSI Approved :: MIT License',
            'Operating System :: OS Independent',
        ],
        python_requires='>=3.8',
        entry_points={
            'console_scripts': [
                'q3avant_run = avant.avant:run_avant',
            ],
        },
    )