This document describes the current stable version of Celery (3.1). For development docs,
go here.
celery.worker
WorkController can be used to instantiate in-process workers.
The worker consists of several components, all managed by bootsteps
(mod:celery.bootsteps).
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class celery.worker.WorkController(app=None, hostname=None, **kwargs)[source]
Unmanaged worker instance.
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class Blueprint(steps=None, name=None, app=None, on_start=None, on_close=None, on_stopped=None)[source]
Worker bootstep blueprint.
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default_steps = set(['celery.worker.components:Consumer', 'celery.worker.components:Timer', 'celery.worker.components:Queues', 'celery.worker.autoreload:WorkerComponent', 'celery.worker.components:Hub', 'celery.worker.components:Beat', 'celery.worker.components:Pool', 'celery.worker.autoscale:WorkerComponent', 'celery.worker.components:StateDB'])
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name = 'Worker'
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WorkController.app = None
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WorkController.blueprint = None
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WorkController.info()[source]
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WorkController.on_after_init(**kwargs)[source]
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WorkController.on_before_init(**kwargs)[source]
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WorkController.on_close()[source]
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WorkController.on_consumer_ready(consumer)[source]
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WorkController.on_init_blueprint()[source]
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WorkController.on_start()[source]
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WorkController.on_stopped()[source]
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WorkController.pidlock = None
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WorkController.pool = None
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WorkController.prepare_args(**kwargs)[source]
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WorkController.register_with_event_loop(hub)[source]
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WorkController.reload(modules=None, reload=False, reloader=None)[source]
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WorkController.rusage()[source]
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WorkController.semaphore = None
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WorkController.setup_defaults(concurrency=None, loglevel=None, logfile=None, send_events=None, pool_cls=None, consumer_cls=None, timer_cls=None, timer_precision=None, autoscaler_cls=None, autoreloader_cls=None, pool_putlocks=None, pool_restarts=None, force_execv=None, state_db=None, schedule_filename=None, scheduler_cls=None, task_time_limit=None, task_soft_time_limit=None, max_tasks_per_child=None, prefetch_multiplier=None, disable_rate_limits=None, worker_lost_wait=None, **_kw)[source]
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WorkController.setup_includes(includes)[source]
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WorkController.setup_instance(queues=None, ready_callback=None, pidfile=None, include=None, use_eventloop=None, exclude_queues=None, **kwargs)[source]
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WorkController.setup_queues(include, exclude=None)[source]
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WorkController.should_use_eventloop()[source]
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WorkController.signal_consumer_close()[source]
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WorkController.start()[source]
Starts the workers main loop.
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WorkController.state[source]
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WorkController.stats()[source]
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WorkController.stop(in_sighandler=False)[source]
Graceful shutdown of the worker server.
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WorkController.terminate(in_sighandler=False)[source]
Not so graceful shutdown of the worker server.
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celery.worker.default_nodename(hostname)