This document describes the current stable version of Celery (3.1). For development docs,
go here.
celery.exceptions
This module contains all exceptions used by the Celery API.
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exception celery.exceptions.SecurityError[source]
Security related exceptions.
Handle with care.
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exception celery.exceptions.Ignore[source]
A task can raise this to ignore doing state updates.
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exception celery.exceptions.QueueNotFound[source]
Task routed to a queue not in CELERY_QUEUES.
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exception celery.exceptions.WorkerShutdown[source]
Signals that the worker should perform a warm shutdown.
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exception celery.exceptions.WorkerTerminate[source]
Signals that the worker should terminate immediately.
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exception celery.exceptions.ImproperlyConfigured[source]
Celery is somehow improperly configured.
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exception celery.exceptions.NotRegistered[source]
The task is not registered.
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exception celery.exceptions.AlreadyRegistered[source]
The task is already registered.
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exception celery.exceptions.TimeoutError[source]
The operation timed out.
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exception celery.exceptions.MaxRetriesExceededError[source]
The tasks max restart limit has been exceeded.
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exception celery.exceptions.Retry(message=None, exc=None, when=None, **kwargs)[source]
The task is to be retried later.
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exc = None
Exception (if any) that caused the retry to happen.
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humanize()[source]
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message = None
Optional message describing context of retry.
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when = None
Time of retry (ETA), either numbers.Real or
datetime.
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exception celery.exceptions.TaskRevokedError[source]
The task has been revoked, so no result available.
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exception celery.exceptions.NotConfigured[source]
Celery has not been configured, as no config module has been found.
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exception celery.exceptions.AlwaysEagerIgnored[source]
send_task ignores CELERY_ALWAYS_EAGER option
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exception celery.exceptions.InvalidTaskError[source]
The task has invalid data or is not properly constructed.
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exception celery.exceptions.ChordError[source]
A task part of the chord raised an exception.
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exception celery.exceptions.CPendingDeprecationWarning[source]
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exception celery.exceptions.CDeprecationWarning[source]
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exception celery.exceptions.FixupWarning[source]
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exception celery.exceptions.DuplicateNodenameWarning[source]
Multiple workers are using the same nodename.
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exception celery.exceptions.SoftTimeLimitExceeded
The soft time limit has been exceeded. This exception is raised
to give the task a chance to clean up.
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exception celery.exceptions.TimeLimitExceeded
The time limit has been exceeded and the job has been terminated.
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exception celery.exceptions.WorkerLostError
The worker processing a job has exited prematurely.
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exception celery.exceptions.Terminated
The worker processing a job has been terminated by user request.