This document describes the current stable version of Celery (5.0). For development docs, go here.

celery.utils.deprecated

Deprecation utilities.

celery.utils.deprecated.Callable(deprecation=None, removal=None, alternative=None, description=None)[source]

Decorator for deprecated functions.

A deprecation warning will be emitted when the function is called.

Parameters
  • deprecation (str) – Version that marks first deprecation, if this argument isn’t set a PendingDeprecationWarning will be emitted instead.

  • removal (str) – Future version when this feature will be removed.

  • alternative (str) – Instructions for an alternative solution (if any).

  • description (str) – Description of what’s being deprecated.

celery.utils.deprecated.Property(deprecation=None, removal=None, alternative=None, description=None)[source]

Decorator for deprecated properties.

celery.utils.deprecated.warn(description=None, deprecation=None, removal=None, alternative=None, stacklevel=2)[source]

Warn of (pending) deprecation.