使用Thread 的自定义定时器
在日常工作中总会有一些定时任务的操作, 定时邮件, 定时短信, 定时脚本任务等等。
常见的操作是使用linux下的crontab操作,或者使用celery的定时任务。
为何不尝试一下新东西呢?
import time
import sys
import signal
import datetime
import threading
# 定时器
def schedule_update():
t = threading.Timer(0, event_func)
t.setDaemon(True)
t.start()
# 执行函数
def event_func():
now_time = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
print(now_time)
interval_time = delay_time()
t = threading.Timer(interval_time, event_func) # interval_time:定时时间, event_func: 执行的函数
t.setDaemon(True)
t.start()
# 取时间点 24小时以后执行
def delay_time():
# now time
now_time = datetime.datetime.now()
# tomorrow time
next_time = now_time + datetime.timedelta(days=+1)
next_year = next_time.date().year
next_month = next_time.date().month
next_day = next_time.date().day
# get tomorrow 00:00
next_time = datetime.datetime.strptime(str(next_year) + "-" + str(next_month) + "-" + str(next_day) + " 00:00:00",
"%Y-%m-%d %H:%M:%S")
# get secondes
delay_time = (next_time - now_time).total_seconds()
return delay_time
def quit_sys(signum, frame):
sys.exit()
if __name__ == "__main__":
try:
signal.signal(signal.SIGINT, quit_sys)
signal.signal(signal.SIGTERM, quit_sys)
schedule_update()
print("schedule_update server starting up...\nHit Ctrl-C to quit.\n")
while 1:
time.sleep(1)
except Exception as e:
print(e)
links: https://www.linuxidc.com/Linux/2019-09/160795.htm