code: def get_cfg_args():
      
  
      if not os.path.exists('setup.cfg'):
          return {}
      cfg = ConfigParser()
      cfg.read('setup.cfg')
      cfg = cfg2dict(cfg)
  
      g = cfg.setdefault('global', {})
      # boolean keys:
      for key in ['libzmq_extension',
                  'bundle_libzmq_dylib',
                  'no_libzmq_extension',
                  'have_sys_un_h',
                  'skip_check_zmq',
                  ]:
          if key in g:
              g[key] = eval(g[key])
  
      # globals go to top level
      cfg.update(cfg.pop('global'))
      return cfg
docs: Look for options in setup.cfg