celery_beat_periodic_task_scheduling_quickstart.py

1from celery import Celery
2from celery.schedules import crontab
3
4app = Celery('tasks', broker='pyamqp://guest@localhost//')
5
6@app.on_after_configure.connect
7def setup_periodic_tasks(sender, **kwargs):
8    # Calls test('hello') every 10 seconds.
9    sender.add_periodic_task(10.0, test.s('hello'), name='add every 10')
10
11    # Calls test('world') every 30 seconds
12    sender.add_periodic_task(30.0, test.s('world'), expires=10)
13
14    # Executes every Monday morning at 7:30 a.m.
15    sender.add_periodic_task(
16        crontab(hour=7, minute=30, day_of_week=1),
17        test.s('Happy Mondays!'),
18    )
19
20@app.task
21def test(arg):
22    print(arg)