from celery.decorators import task
from django.core.cache import cache

@task
def do_job(path):
    "Performs an operation on a file"

    # ... Code to perform the operation ...

    cache.set(current_task_id, operation_results)

@task
def do_job(path, task_id=None):
    cache.set(task_id, operation_results)

@task
def do_job(path):
    cache.set(do_job.request.id, operation_results)

@task(bind=True)
def do_job(self, path):
    cache.set(self.request.id, operation_results)