Python timed tasks

Import threading
Import time
Import datetime

Def exec_update ():
Time.sleep (5)

Def event_func ():
Now_time = Datetime.datetime.now (). Strftime ('%y-%m-%d%h:%m:%s ')
Print (Now_time)
Exec_update ()
t = Threading. Timer (1, Event_func)
T.setdaemon (True)
T.start ()

if __name__ = = ' __main__ ':
t = Threading. Timer (0, Event_func)
T.setdaemon (True)
T.start ()
While 1:
Pass

########################################################################################################

"""

Timed tasks, execution at a certain point in time

"""
Import OS
Import time
Import JSON
Import Sys
Import Sched
Import Signal
Import datetime
Import threading
Import subprocess
From subprocess Import Devnull
Import Service.db_conn as Db_conn

#具体任务
Def exec_update ():

Print ("Update ...")

#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)
Exec_update ()
Interval_time = Delay_time ()
t = Threading. Timer (Interval_time, Event_func)
T.setdaemon (True)
T.start ()

#取时间点
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 ()

#接收Ctrl +c Signal
if __name__ = = "__main__":
Try
Signal.signal (signal. SIGINT, Quit_sys)
Signal.signal (signal. SIGTERM, Quit_sys)
Schedule_update ()
Print ("Hit Ctrl-c to Quit.\n")
While 1:
Time.sleep (1)
Except Exception as E:
Print (e)

Python timed tasks