def http_query(self):
    query_string = self.env.get('QUERY_STRING', '')
    if query_string:
      query_string = '?' + query_string
    return query_string
Return the query string, if any, with '?' prefix.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/appstats/recording.py/Recorder.http_query