Managers - djcelery.managers

class djcelery.managers.ExtendedManager

connection_for_read()

connection_for_write()

current_engine()

get_query_set()

update_or_create(**kwargs)

class djcelery.managers.ExtendedQuerySet(model=None, query=None, using=None)

update_or_create(**kwargs)

class djcelery.managers.PeriodicTaskManager

enabled()

class djcelery.managers.ResultManager

delete_expired(expires)

Delete all expired taskset results.

get_all_expired(expires)

Get all expired task results.

class djcelery.managers.TaskManager

Manager for celery.models.Task models.

get_task(task_id)

Get task meta for task by task_id.

Parameters:exception_retry_count – How many times to retry by transaction rollback on exception. This could theoretically happen in a race condition if another worker is trying to create the same task. The default is to retry once.

store_result(*args, **kwargs)

Store the result and status of a task.

Parameters:

• task_id – task id
• result – The return value of the task, or an exception instance raised by the task.
• status – Task status. See celery.result.AsyncResult.get_status() for a list of possible status values.
• traceback – The traceback at the point of exception (if the task failed).
• exception_retry_count – How many times to retry by transaction rollback on exception. This could theoretically happen in a race condition if another worker is trying to create the same task. The default is to retry twice.

warn_if_repeatable_read()

class djcelery.managers.TaskSetManager

Manager for celery.models.TaskSet models.

delete_taskset(taskset_id)

Delete a saved taskset result.

restore_taskset(taskset_id)

Get the async result instance by taskset id.

store_result(*args, **kwargs)

Store the async result instance of a taskset.

Parameters:

• taskset_id – task set id
• result – The return value of the taskset

class djcelery.managers.TaskStateManager

active()

expire_by_states(states, expires)

expired(states, expires, nowfun=<built-in method now of type object at 0x7f00042a0760>)

purge()

exception djcelery.managers.TxIsolationWarning

djcelery.managers.transaction_retry(max_retries=1)

Decorator for methods doing database operations.

If the database operation fails, it will retry the operation at most max_retries times.

djcelery.managers.update_model_with_dict(obj, fields)