class_docstr: Motivation:
  - This class provides an interface for user to read orders from csv files.
class_docstr_tok: ["Motivation",":","-","This","class","provides","an","interface","for","user","to","read","orders","from","csv","files","."]
docstr: Parameters
  ----------
  execute_result :
      execute_result will be ignored in FileOrderStrategy
docstr_tok: ["Parameters","--","--","--","--","--","execute_result",":","execute_result","will","be","ignored","in","FileOrderStrategy"]
code: def generate_trade_decision(
      self, execute_result=None
  ) -> TradeDecisionWO:
      """
      Parameters
      ----------
      execute_result :
          execute_result will be ignored in FileOrderStrategy
      """
      oh: OrderHelper = self.common_infra.get(
          "trade_exchange"
      ).get_order_helper()
      start, _ = self.trade_calendar.get_step_time()
      # CONVERSION: the bar is indexed by the time
      try:
          df = self.order_df.loc(axis=0)[start]
      except KeyError:
          return TradeDecisionWO([], self)
      else:
          order_list = []
          for idx, row in df.iterrows():
              order_list.append(
                  oh.create(
                      code=idx,
                      amount=row["amount"],
                      direction=Order.parse_dir(row["direction"]),
                  )
              )
          return TradeDecisionWO(order_list, self, self.trade_range)
  
imports: from pathlib import Path
  import warnings
  import numpy
  import pandas
  from typing import IO, List, Tuple, Union
  from qlib.data.dataset.utils import convert_index_format
  from qlib.utils import lazy_sort_index
  from ...utils.resam import resam_ts_data, ts_data_last
  from ...data.data import D
  from ...strategy.base import BaseStrategy
  from ...backtest.decision import BaseTradeDecision, Order, TradeDecisionWO, TradeRange
  from ...backtest.exchange import Exchange, OrderHelper
  from ...backtest.utils import CommonInfrastructure, LevelInfrastructure
  from qlib.utils.file import get_io_object
  from qlib.backtest.utils import get_start_end_idx
label_desc: Use image node_id 2 for calling the FileOrderStrategy obj's underlying member method code with example usage: obj.generate_trade_decision(execute_result) and returns: TradeDecisionWO, TradeDecisionWO