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Heads up that task.delay() returns None, not AsyncResult. #10

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Heads up that task.delay() returns None, not AsyncResult. #10

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14 changes: 14 additions & 0 deletions README.md
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Expand Up @@ -56,6 +56,20 @@ Celery's [user guide][1]. Send tasks from signal handlers without fear!
print_model.delay(model_pk)
transaction.commit()

## Caveats

Due to the task being sent after the current transaction has been commited, the
`PostTransactionTask` provided in this package does not return an
`celery.result.AsyncResult` as the original celery `Task` does.

Thus, `print_model.delay(model_pk)` simply returns `None`. In order to track
the task later on, the `task_id` can be predefined in the `apply_async` method:

from celery.utils import uuid

u = uuid()
print_model.apply_async((model_pk), {}, task_id=u)

## Run test suite

$ python setup.py test
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