vnpy/examples/DataService/CccDataService/runService.py

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# 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
"""
from __future__ import print_function
from dataService import *
if __name__ == '__main__':
taskCompletedDate = None
taskTime = datetime.time(hour=22, minute=0)
# 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):
end = t.strftime('%Y%m%d')
start = (t - datetime.timedelta(1)).strftime('%Y%m%d')
# 下载过去24小时的K线数据
downloadAllMinuteBar(start, end)
# 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)