app.builtins

Built-in Tasks.

The built-in tasks are always available in all app instances.

Module Contents

Functions

add_backend_cleanup_task(app) Task used to clean up expired results.
add_accumulate_task(app) Task used by Task.replace when replacing task with group.
add_unlock_chord_task(app) Task used by result backends without native chord support.
add_map_task(app)
add_starmap_task(app)
add_chunk_task(app)
add_group_task(app) No longer used, but here for backwards compatibility.
add_chain_task(app) No longer used, but here for backwards compatibility.
add_chord_task(app) No longer used, but here for backwards compatibility.
add_backend_cleanup_task(app)

Task used to clean up expired results.

If the configured backend requires periodic cleanup this task is also automatically configured to run every day at 4am (requires celery beat to be running).

add_accumulate_task(app)

Task used by Task.replace when replacing task with group.

add_unlock_chord_task(app)

Task used by result backends without native chord support.

Will joins chord by creating a task chain polling the header for completion.

add_map_task(app)
add_starmap_task(app)
add_chunk_task(app)
add_group_task(app)

No longer used, but here for backwards compatibility.

add_chain_task(app)

No longer used, but here for backwards compatibility.

add_chord_task(app)

No longer used, but here for backwards compatibility.