docs: def wsgiref_server_runner(wsgi_app, global_conf, **kw): # pragma: no cover
      """
      Entry point for wsgiref's WSGI server
  
      Additional parameters:
  
      ``certfile``, ``keyfile``
  
          Optional SSL certificate file and host key file names. You can
          generate self-signed test files as follows:
  
              $ openssl genrsa 1024 > keyfile
              $ chmod 400 keyfile
              $ openssl req -new -x509 -nodes -sha1 -days 365  \\
                            -key keyfile > certfile
              $ chmod 400 certfile
  
          The file names should contain full paths.
  
      """
      from wsgiref.simple_server import make_server, WSGIServer
  
      host = kw.get('host', '0.0.0.0')
      port = int(kw.get('port', 8080))
      threaded = asbool(kw.get('wsgiref.threaded', False))
  
      server_class = WSGIServer
      certfile = kw.get('wsgiref.certfile')
      keyfile = kw.get('wsgiref.keyfile')
      scheme = 'http'
  
      if certfile and keyfile:
          """
          based on code from nullege:
          description='Dropbox REST API Client with more consistent responses.',
          author='Rick van Hattem',
          author_email='Rick@Wol.ph',
          url='http://wol.ph/',
          """
          import ssl
          class SecureWSGIServer(WSGIServer):
  
              def get_request(self):
                  socket, client_address = WSGIServer.get_request(self)
                  socket = ssl.wrap_socket(socket,
                                           server_side=True,
                                           certfile=certfile,
                                           keyfile=keyfile)
                  return socket, client_address
  
          port = int(kw.get('port', 4443))
          server_class = SecureWSGIServer
  
      if threaded:
          from SocketServer import ThreadingMixIn
          class GearboxWSGIServer(ThreadingMixIn, server_class): pass
          server_type = 'Threaded'
      else:
          class GearboxWSGIServer(server_class): pass
          server_type = 'Standard'
  
      server = make_server(host, port, wsgi_app, server_class=GearboxWSGIServer)
      if certfile and keyfile:
          server_type += ' Secure'
          scheme += 's'
      ServeCommand.out('Starting %s HTTP server on %s://%s:%s' % (server_type, scheme, host, port))
      server.serve_forever()