text: from pkg_resources import parse_version
  from configparser import ConfigParser
  import setuptools,re,sys
  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}
  
  if len(sys.argv)>1 and sys.argv[1]=='version':
      print(setup_cfg['version'])
      exit()
  
  licenses = {
      'apache2': ('Apache Software License 2.0','OSI Approved :: Apache Software License'),
      'mit': ('MIT License', 'OSI Approved :: MIT License'),
      'gpl2': ('GNU General Public License v2', 'OSI Approved :: GNU General Public License v2 (GPLv2)'),
      'gpl3': ('GNU General Public License v3', 'OSI Approved :: GNU General Public License v3 (GPLv3)'),
      'bsd3': ('BSD License', 'OSI Approved :: BSD 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()
  
  lic = licenses.get(cfg['license'].lower(), (cfg['license'], None))
  min_python = cfg['min_python']
  
  requirements = ['pip', 'packaging']
  if cfg.get('requirements'): requirements += cfg.get('requirements','').split()
  if cfg.get('pip_requirements'): requirements += cfg.get('pip_requirements','').split()
  dev_requirements = (cfg.get('dev_requirements') or '').split()
  
  long_description = open('README.md').read()
  # ![png](docs/images/output_13_0.png)
  for ext in ['png', 'svg']:
      long_description = re.sub(r'!\['+ext+'\]\((.*)\)', '!['+ext+']('+'https://raw.githubusercontent.com/{}/{}'.format(cfg['user'],cfg['lib_name'])+'/'+cfg['branch']+'/\\1)', long_description)
      long_description = re.sub(r'src=\"(.*)\.'+ext+'\"', 'src=\"https://raw.githubusercontent.com/{}/{}'.format(cfg['user'],cfg['lib_name'])+'/'+cfg['branch']+'/\\1.'+ext+'\"', long_description)
  
  setuptools.setup(
      name = cfg['lib_name'],
      license = lic[0],
      classifiers = [
          'Development Status :: ' + statuses[int(cfg['status'])],
          'Intended Audience :: ' + cfg['audience'].title(),
          'Natural Language :: ' + cfg['language'].title(),
      ] + ['Programming Language :: Python :: '+o for o in py_versions[py_versions.index(min_python):]] + (['License :: ' + lic[1] ] if lic[1] else []),
      url = cfg['git_url'],
      packages = setuptools.find_packages(),
      include_package_data = True,
      install_requires = requirements,
      extras_require={ 'dev': dev_requirements },
      python_requires  = '>=' + cfg['min_python'],
      long_description = long_description,
      long_description_content_type = 'text/markdown',
      zip_safe = False,
      entry_points = { 'console_scripts': cfg.get('console_scripts','').split() },
      **setup_cfg)
  
  