# encoding: UTF-8 """ 定时服务,可无人值守运行,实现每日自动下载更新历史行情数据到数据库中。 注意: 请确保本程序运行时, 本机天勤终端 (0.8.0 以上版本)正在运行中 """ from __future__ import print_function import time import datetime from dataService import downloadAllMinuteBar if __name__ == '__main__': taskCompletedDate = None # 生成一个随机的任务下载时间,用于避免所有用户在同一时间访问数据服务器 taskTime = datetime.time(hour=17, minute=0) symbols = ["CFFEX.IF1710", "CFFEX.IF1711", "CFFEX.IF1712", "CFFEX.IF1803", "CFFEX.IH1710", "CFFEX.IH1711", "CFFEX.IH1712", "CFFEX.IH1803", "CFFEX.IC1710", "CFFEX.IC1711", "CFFEX.IC1712", "CFFEX.IC1803"] # 进入主循环 while True: t = datetime.datetime.now() # 每天到达任务下载时间后,执行数据下载的操作 if t.time() > taskTime and (taskCompletedDate is None or t.date() != taskCompletedDate): # 下载1000根分钟线数据,足以覆盖过去两天的行情 downloadAllMinuteBar(1000, symbols) # 更新任务完成的日期 taskCompletedDate = t.date() else: print(u'当前时间%s,任务定时%s' %(t, taskTime)) time.sleep(60)