code: def get_today_all(output='pd'):
      
  
      data = []
      today = str(datetime.date.today())
      codes = QA_fetch_get_stock_list('stock').code.tolist()
      bestip = select_best_ip()['stock']
      for code in codes:
          try:
              l = QA_fetch_get_stock_day(
                  code, today, today, '00', ip=bestip)
          except:
              bestip = select_best_ip()['stock']
              l = QA_fetch_get_stock_day(
                  code, today, today, '00', ip=bestip)
          if l is not None:
              data.append(l)
  
      res = pd.concat(data)
      if output in ['pd']:
          return res
      elif output in ['QAD']:
          return QA_DataStruct_Stock_day(res.set_index(['date', 'code'], drop=False))
docs: today all
  
      Returns:
          [type] -- [description]