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celery.worker

celery.worker

WorkController can be used to instantiate in-process workers.

The worker consists of several components, all managed by bootsteps (mod:celery.bootsteps).

class celery.worker.WorkController(app=None, hostname=None, **kwargs)

Unmanaged worker instance.

class Blueprint(steps=None, name=None, app=None, on_start=None, on_close=None, on_stopped=None)

Worker bootstep blueprint.

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'])

name = 'Worker'

WorkController.app = None

WorkController.blueprint = None

WorkController.info()

WorkController.on_after_init(**kwargs)

WorkController.on_before_init(**kwargs)

WorkController.on_close()

WorkController.on_consumer_ready(consumer)

WorkController.on_init_blueprint()

WorkController.on_start()

WorkController.on_stopped()

WorkController.pidlock = None

WorkController.pool = None

WorkController.prepare_args(**kwargs)

WorkController.register_with_event_loop(hub)

WorkController.reload(modules=None, reload=False, reloader=None)

WorkController.rusage()

WorkController.semaphore = None

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)

WorkController.setup_includes(includes)

WorkController.setup_instance(queues=None, ready_callback=None, pidfile=None, include=None, use_eventloop=None, exclude_queues=None, **kwargs)

WorkController.setup_queues(include, exclude=None)

WorkController.should_use_eventloop()

WorkController.signal_consumer_close()

WorkController.start()

Starts the workers main loop.

WorkController.state None

WorkController.stats()

WorkController.stop(in_sighandler=False)

Graceful shutdown of the worker server.

WorkController.terminate(in_sighandler=False)

Not so graceful shutdown of the worker server.

celery.worker.default_nodename(hostname)