A lightweight task scheduling timer
Project description
TimerThread
TimerThread is
- A lightweight task scheduling timer
- written in Python (3.7+) Standard Library
TimerThread supports to
- schedule task execution after a given delay
- schedule recurring task execution
- run in the background
- use
@task
decorator to define task
Quickstart
Define your function, now(cost)
as an example:
import time
def now(cost=1):
time.sleep(cost)
print( time.strftime('%Y-%m-%d %H:%M:%S %Z', time.localtime()) )
Create a TimerThread scheduler and start it:
import timerthread
timer = timerthread.Scheduler('recur', 3, now, args=(1,))
timer.start()
Shutdown the scheduler:
timer.cancel()
Play with the @task
decorator
Use @task
decorator to define your function, then schedule it and start the scheduler, now(cost)
as an example:
import time
import timerthread
@timerthread.task('recur', 3)
def now(cost=1):
time.sleep(cost)
print( time.strftime('%Y-%m-%d %H:%M:%S %Z', time.localtime()) )
timer = now.sched(cost=1)
timer.start()
When you'd like to cancel the recurring execution, shutdown the scheduler as usual:
timer.cancel()
Install TimerThread
$ pip install timerthread
Documentation
Scheduler
class timerthread.Scheduler(trigger, interval, fn, args=(), kwargs={})
trigger
must be 'delay'
or 'recur'
.
-
stopped
The scheduler is stopped or not,
True
(default) orFalse
. -
result
The execution result,
{}
as default. -
start()
Let scheduler start executing your function as scheduled in the background.
-
cancel()
Shutdown the scheduler.
task
class timerthread.task(trigger, interval)
trigger
must be 'delay'
or 'recur'
.
-
Use
@task
decorator to define your function, then schedule it and start the scheduler:@timerthread.task(trigger, interval) def fn(args, kwargs): pass timer = fn.sched(*args, **kwargs)
fn.sched(*args, **kwargs)
returnstimerthread.Scheduler
instance.
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