code: def pack_req(cls, order_id, status_filter_list, code, start, end,
                   trd_env, acc_id, trd_mkt, conn_id):
          
          from futuquant.common.pb.Trd_GetOrderList_pb2 import Request
          req = Request()
          req.c2s.header.trdEnv = TRD_ENV_MAP[trd_env]
          req.c2s.header.accID = acc_id
          req.c2s.header.trdMarket = TRD_MKT_MAP[trd_mkt]
  
          if code:
              req.c2s.filterConditions.codeList.append(code)
          if order_id:
              req.c2s.filterConditions.idList.append(int(order_id))
  
          if start:
              req.c2s.filterConditions.beginTime = start
          if end:
              req.c2s.filterConditions.endTime = end
  
          if len(status_filter_list):
              for order_status in status_filter_list:
                  req.c2s.filterStatusList.append(ORDER_STATUS_MAP[order_status])
  
          return pack_pb_req(req, ProtoId.Trd_GetOrderList, conn_id)
docs: Convert from user request for trading days to PLS request