Simple example running python periodic python functions

periodic.py

import asyncio
from collections import namedtuple
from functools import wraps

tasks = []
loop = asyncio.get_event_loop()


PeriodicTask = namedtuple('PeriodicTask', ['task', 'interval', 'start'])


def periodic(interval, start=False):
    def interal_periodic(func):
        @wraps(func)
        def wrapper(*args, **kwargs):
            ret = func(*args, **kwargs)
            loop.call_later(interval, wrapper)
            return ret
        tasks.append(PeriodicTask(task=wrapper, interval=interval, start=start))
        return wrapper
    return interal_periodic


@periodic(interval=1)
def task1():
    print('task1')


@periodic(interval=10, start=True)
def task2():
    print('task2')


if __name__ == '__main__':
    for t in tasks:
        if t.start:
            loop.call_soon(t.task)
        else:
            loop.call_later(t.interval, t.task)
    try:
        loop.run_forever()
    finally:
        loop.close()