setup.py

from setuptools import setup, find_packages
from distutils.command.build_py import build_py

# Get __version__ from PACKAGE_NAME/__init__.py without importing the package
# __version__ has to be defined in the first line
with open('mgwr/__init__.py', 'r') as f:
    exec(f.readline())


def _get_requirements_from_files(groups_files):
    groups_reqlist = {}

    for k, v in groups_files.items():
        with open(v, 'r') as f:
            pkg_list = f.read().splitlines()
        groups_reqlist[k] = pkg_list

    return groups_reqlist


def setup_package():
    _groups_files = {
        'base': 'requirements.txt',
        'tests': 'requirements_tests.txt',
        'docs': 'requirements_docs.txt'
    }

    reqs = _get_requirements_from_files(_groups_files)
    install_reqs = reqs.pop('base')
    extras_reqs = reqs

    setup(
        name='mgwr',  #name of package
        version=__version__,
        description=
        'multiscale geographically weighted regression',  #short <80chr description
        url='https://github.com/pysal/mgwr',  #github repo
        maintainer='Taylor M. Oshan',
        maintainer_email='tayoshan@gmail.com',
        python_requires='>3.5',
        test_suite='nose.collector',
        tests_require=['nose'],
        keywords='spatial statistics',
        classifiers=[
            'Development Status :: 5 - Production/Stable',
            'Intended Audience :: Science/Research',
            'Intended Audience :: Developers',
            'Intended Audience :: Education',
            'Topic :: Scientific/Engineering',
            'Topic :: Scientific/Engineering :: GIS',
            'License :: OSI Approved :: BSD License',
            'Programming Language :: Python',
            'Programming Language :: Python :: 3.6',
            'Programming Language :: Python :: 3.7'
        ],
        license='3-Clause BSD',
        packages=find_packages(),
        install_requires=install_reqs,
        extras_require=extras_reqs,
        zip_safe=False,
        cmdclass={'build.py': build_py})


if __name__ == '__main__':
    setup_package()