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Comments on How can I schedule a later task in Python?
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How can I schedule a later task in Python?
I want my CLI Python program to schedule a task, and then exit. After some times has passed (say 10 minutes) the task should execute.
The task can be a Python method or a shell command, whatever is easier. I can convert my use case to accommodate it.
This would be on Linux only.
How can I schedule a future task from Python?
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While the other answers rely on external programs, you can do the same inside python.
Using time.sleep() If you don't need to do any other tasks during this 10 min.
#!/usr/bin/env python3
import time
def doThisIn10min():
# Replace this with the function you need to do in 10min
# Or call a other program with subprocess
print("doThisIn10min() executed")
#do something here
#We are done, lets execute doThisIn10min() in 10 min
time.sleep(10*60)
doThisIn10min()
If you need to do other tasks, you can spawn a second thread.
#!/usr/bin/env python3
from threading import Thread
import time
def taskWeDoIn10min():
print("taskWeDoIn10min() started")
time.sleep(10*60) #wait 10 min
# Insert here whit the code you want to execute in 10min
print("taskWeDoIn10min() executed")
def doThisInTheMeantime():
# Replace this with the code you want to execute in the meantime
for i in range(50):
time.sleep(10)
print("inside doThisInTheMeantime()")
t = Thread( target=taskWeDoIn10min )
t.start() #Background task to sleep 10 min and then execute <something>
doThisInTheMeantime() #In the mean time, we can do other things
t.join() #Wait till the background task ended
print("All ended")
Yet a other method is to use the sched module.
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