def CallMethod(self, method_descriptor, rpc_controller,
                 request, response_class, done):
    raise NotImplementedError
URL encode
dataset/ETHPy150Open AppScale/appscale/AppServer/google/net/proto2/python/public/service.py/RpcChannel.CallMethod--crossover with--dataset/ETHPy150Open benadida/helios-server/helios/utils.py/urlencode