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Me gustaría preguntar cómo llamar a GetOrder(order_id).Status repetidamente en while en Python y usar time.time para rastrear cambios en el pedido

Creado el: 2018-03-03 21:22:27, Actualizado el: 2018-03-03 21:23:29
comments   7
hits   1615
请教各位,我想在while中跟踪订单变化,循环之前保存当时时间time1,while开始后当订单状态在2秒后(time.time()-time1>2)的状态还是pending就return 0,如果是ORDER_STATE_CLOSED,那就return 1,返回完成。
但是在实盘测试中,发现程序会进入无限循环不会停下来,最后一条信息就是“订单已下”

代码附下,请大大帮忙释疑
order_result =exchange.Sell(fee,size)
Log('订单已下')
    if order_result==None:
        return 0
    if order_result!=None:
        time1=time.time()
        while True:
            order_status=exchange.GetOrder(order_result).Status
            if order_status==None and time.time()-time1>2:
               Log('订单状态获取失败')
                return 0
            if order_status!=None:
                if time.time()-time1>2 and (order_status==ORDER_STATE_CANCELED or order_status==ORDER_STATE_PENDING):
                    Log("订单挂单或被取消")
                    return 0
                if order_status==ORDER_STATE_CLOSED:
                    Log("订单完成")
                    return 1