from pkg_resources import parse_version
from configparser import ConfigParser
import setuptools

assert parse_version(setuptools.__version__) >= parse_version('36.2')

# note: all settings are in settings.ini; edit there, not here
config = ConfigParser(delimiters=['='])
config.read('settings.ini')
cfg = config['DEFAULT']

cfg_keys = 'version description keywords author author_email'.split()
expected = (
    cfg_keys
    + "lib_name user branch license status min_python audience language".split()
)
for o in expected:
    assert o in cfg, "missing expected setting: {}".format(o)
setup_cfg = {o: cfg[o] for o in cfg_keys}

licenses = {
    'apache2': (
        'Apache Software License 2.0',
        'OSI Approved :: Apache Software License',
    ),
}
statuses = [
    '1 - Planning',
    '2 - Pre-Alpha',
    '3 - Alpha',
    '4 - Beta',
    '5 - Production/Stable',
    '6 - Mature',
    '7 - Inactive',
]
py_versions = (
    '2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8'.split()
)

requirements = cfg.get('requirements', '').split()
lic = licenses[cfg['license']]
min_python = cfg['min_python']

setuptools.setup(
    name=cfg['lib_name'],
    license=lic[0],
    classifiers=[
        'Development Status :: ' + statuses[int(cfg['status'])],
        'Intended Audience :: ' + cfg['audience'].title(),
        'License :: ' + lic[1],
        'Natural Language :: ' + cfg['language'].title(),
    ]
    + [
        'Programming Language :: Python :: ' + o
        for o in py_versions[py_versions.index(min_python) :]
    ],
    url=cfg['git_url'],
    packages=setuptools.find_packages(),
    include_package_data=True,
    install_requires=requirements,
    extras_require={'dev': cfg.get('dev_requirements', '').split()},
    dependency_links=cfg.get('dep_links', '').split(),
    python_requires='>=' + cfg['min_python'],
    long_description=open('README.md').read(),
    long_description_content_type='text/markdown',
    zip_safe=False,
    entry_points={'console_scripts': cfg.get('console_scripts', '').split()},
    **setup_cfg
)
