import functools from django.db import transaction from celery.app.task import Task class DjangoTask(Task): """ Extend the base :class:`~celery.app.task.Task` for Django. Provide a nicer API to trigger tasks at the end of the DB transaction. """ def delay_on_commit(self, *args, **kwargs): """Call :meth:`~celery.app.task.Task.delay` with Django's ``on_commit()``.""" return transaction.on_commit(functools.partial(self.delay, *args, **kwargs)) def apply_async_on_commit(self, *args, **kwargs): """Call :meth:`~celery.app.task.Task.apply_async` with Django's ``on_commit()``.""" return transaction.on_commit(functools.partial(self.apply_async, *args, **kwargs))