celery periodic task example

celery periodic task example

from datetime import timedelta

from celery import Celery
from celery.task import periodic_task


app = Celery('tasks', backend='amqp',
             broker='amqp://guest@localhost//')


@periodic_task(run_every=timedelta(seconds=10))
def a():
    return ' i running periodic task '

how to execute this ?

@Shrhawk start celery worker with

celery worker -l info -A app.py --beat

what if i want to parametrize the crontab or timedelta?