def start_request(self, environ, server_configuration):
    with self._lock:
      request_id = _choose_request_id()
      self._request_wsgi_environ[request_id] = environ
      self._request_id_to_server_configuration[
          request_id] = server_configuration
      return request_id
Adds the WSGI to the state of the class and returns a request id.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/wsgi_request_info.py/WSGIRequestInfo.start_request