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- # -*- coding: utf-8 -*-
- """
- celery.signals
- ~~~~~~~~~~~~~~
-
- This module defines the signals (Observer pattern) sent by
- both workers and clients.
-
- Functions can be connected to these signals, and connected
- functions are called whenever a signal is called.
-
- See :ref:`signals` for more information.
-
- """
- from __future__ import absolute_import
- from .utils.dispatch import Signal
-
- __all__ = ['before_task_publish', 'after_task_publish',
- 'task_prerun', 'task_postrun', 'task_success',
- 'task_retry', 'task_failure', 'task_revoked', 'celeryd_init',
- 'celeryd_after_setup', 'worker_init', 'worker_process_init',
- 'worker_ready', 'worker_shutdown', 'setup_logging',
- 'after_setup_logger', 'after_setup_task_logger',
- 'beat_init', 'beat_embedded_init', 'eventlet_pool_started',
- 'eventlet_pool_preshutdown', 'eventlet_pool_postshutdown',
- 'eventlet_pool_apply']
-
- before_task_publish = Signal(providing_args=[
- 'body', 'exchange', 'routing_key', 'headers', 'properties',
- 'declare', 'retry_policy',
- ])
- after_task_publish = Signal(providing_args=[
- 'body', 'exchange', 'routing_key',
- ])
- #: Deprecated, use after_task_publish instead.
- task_sent = Signal(providing_args=[
- 'task_id', 'task', 'args', 'kwargs', 'eta', 'taskset',
- ])
- task_prerun = Signal(providing_args=['task_id', 'task', 'args', 'kwargs'])
- task_postrun = Signal(providing_args=[
- 'task_id', 'task', 'args', 'kwargs', 'retval',
- ])
- task_success = Signal(providing_args=['result'])
- task_retry = Signal(providing_args=[
- 'request', 'reason', 'einfo',
- ])
- task_failure = Signal(providing_args=[
- 'task_id', 'exception', 'args', 'kwargs', 'traceback', 'einfo',
- ])
- task_revoked = Signal(providing_args=[
- 'request', 'terminated', 'signum', 'expired',
- ])
- celeryd_init = Signal(providing_args=['instance', 'conf', 'options'])
- celeryd_after_setup = Signal(providing_args=['instance', 'conf'])
- import_modules = Signal(providing_args=[])
- worker_init = Signal(providing_args=[])
- worker_process_init = Signal(providing_args=[])
- worker_process_shutdown = Signal(providing_args=[])
- worker_ready = Signal(providing_args=[])
- worker_shutdown = Signal(providing_args=[])
- setup_logging = Signal(providing_args=[
- 'loglevel', 'logfile', 'format', 'colorize',
- ])
- after_setup_logger = Signal(providing_args=[
- 'logger', 'loglevel', 'logfile', 'format', 'colorize',
- ])
- after_setup_task_logger = Signal(providing_args=[
- 'logger', 'loglevel', 'logfile', 'format', 'colorize',
- ])
- beat_init = Signal(providing_args=[])
- beat_embedded_init = Signal(providing_args=[])
- eventlet_pool_started = Signal(providing_args=[])
- eventlet_pool_preshutdown = Signal(providing_args=[])
- eventlet_pool_postshutdown = Signal(providing_args=[])
- eventlet_pool_apply = Signal(providing_args=['target', 'args', 'kwargs'])
- user_preload_options = Signal(providing_args=['app', 'options'])
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