本文整理汇总了Python中celery.utils.dispatch.Signal类的典型用法代码示例。如果您正苦于以下问题：Python Signal类的具体用法？Python Signal怎么用？Python Signal使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Signal类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
def __init__(self, main=None, loader=None, backend=None,
amqp=None, events=None, log=None, control=None,
set_as_current=True, tasks=None, broker=None, include=None,
changes=None, config_source=None, fixups=None, task_cls=None,
autofinalize=True, namespace=None, **kwargs):
self.clock = LamportClock()
self.main = main
self.amqp_cls = amqp or self.amqp_cls
self.events_cls = events or self.events_cls
self.loader_cls = loader or self.loader_cls
self.log_cls = log or self.log_cls
self.control_cls = control or self.control_cls
self.task_cls = task_cls or self.task_cls
self.set_as_current = set_as_current
self.registry_cls = symbol_by_name(self.registry_cls)
self.user_options = defaultdict(set)
self.steps = defaultdict(set)
self.autofinalize = autofinalize
self.namespace = namespace
self.configured = False
self._config_source = config_source
self._pending_defaults = deque()
self._pending_periodic_tasks = deque()
self.finalized = False
self._finalize_mutex = threading.Lock()
self._pending = deque()
self._tasks = tasks
if not isinstance(self._tasks, TaskRegistry):
self._tasks = TaskRegistry(self._tasks or {})
# If the class defines a custom __reduce_args__ we need to use
# the old way of pickling apps, which is pickling a list of
# args instead of the new way that pickles a dict of keywords.
self._using_v1_reduce = app_has_custom(self, '__reduce_args__')
# these options are moved to the config to
# simplify pickling of the app object.
self._preconf = changes or {}
self._preconf_set_by_auto = set()
self.__autoset('broker_url', broker)
self.__autoset('result_backend', backend)
self.__autoset('include', include)
self._conf = Settings(
PendingConfiguration(
self._preconf, self._get_from_conf_and_finalize),
prefix=self.namespace,
)
# - Apply fix-ups.
self.fixups = set(self.builtin_fixups) if fixups is None else fixups
# ...store fixup instances in _fixups to keep weakrefs alive.
self._fixups = [symbol_by_name(fixup)(self) for fixup in self.fixups]
if self.set_as_current:
self.set_current()
# Signals
if self.on_configure is None:
# used to be a method pre 4.0
self.on_configure = Signal()
self.on_after_configure = Signal()
self.on_after_finalize = Signal()
self.on_after_fork = Signal()
self.on_init()
_register_app(self)示例2: Celery
class Celery(object):
#: This is deprecated, use :meth:`reduce_keys` instead
Pickler = AppPickler
SYSTEM = platforms.SYSTEM
IS_OSX, IS_WINDOWS = platforms.IS_OSX, platforms.IS_WINDOWS
amqp_cls = 'celery.app.amqp:AMQP'
backend_cls = None
events_cls = 'celery.events:Events'
loader_cls = 'celery.loaders.app:AppLoader'
log_cls = 'celery.app.log:Logging'
control_cls = 'celery.app.control:Control'
task_cls = 'celery.app.task:Task'
registry_cls = TaskRegistry
_fixups = None
_pool = None
_conf = None
builtin_fixups = BUILTIN_FIXUPS
#: Signal sent when app is loading configuration.
on_configure = None
#: Signal sent after app has prepared the configuration.
on_after_configure = None
#: Signal sent after app has been finalized.
on_after_finalize = None
#: ignored
accept_magic_kwargs = False
def __init__(self, main=None, loader=None, backend=None,
amqp=None, events=None, log=None, control=None,
set_as_current=True, tasks=None, broker=None, include=None,
changes=None, config_source=None, fixups=None, task_cls=None,
autofinalize=True, **kwargs):
self.clock = LamportClock()
self.main = main
self.amqp_cls = amqp or self.amqp_cls
self.events_cls = events or self.events_cls
self.loader_cls = loader or self.loader_cls
self.log_cls = log or self.log_cls
self.control_cls = control or self.control_cls
self.task_cls = task_cls or self.task_cls
self.set_as_current = set_as_current
self.registry_cls = symbol_by_name(self.registry_cls)
self.user_options = defaultdict(set)
self.steps = defaultdict(set)
self.autofinalize = autofinalize
self.configured = False
self._config_source = config_source
self._pending_defaults = deque()
self._pending_periodic_tasks = deque()
self.finalized = False
self._finalize_mutex = threading.Lock()
self._pending = deque()
self._tasks = tasks
if not isinstance(self._tasks, TaskRegistry):
self._tasks = TaskRegistry(self._tasks or {})
# If the class defines a custom __reduce_args__ we need to use
# the old way of pickling apps, which is pickling a list of
# args instead of the new way that pickles a dict of keywords.
self._using_v1_reduce = app_has_custom(self, '__reduce_args__')
# these options are moved to the config to
# simplify pickling of the app object.
self._preconf = changes or {}
if broker:
self._preconf['BROKER_URL'] = broker
if backend:
self._preconf['CELERY_RESULT_BACKEND'] = backend
if include:
self._preconf['CELERY_IMPORTS'] = include
# - Apply fixups.
self.fixups = set(self.builtin_fixups) if fixups is None else fixups
# ...store fixup instances in _fixups to keep weakrefs alive.
self._fixups = [symbol_by_name(fixup)(self) for fixup in self.fixups]
if self.set_as_current:
self.set_current()
# Signals
if self.on_configure is None:
# used to be a method pre 4.0
self.on_configure = Signal()
self.on_after_configure = Signal()
self.on_after_finalize = Signal()
self.on_init()
_register_app(self)
def set_current(self):
_set_current_app(self)
def set_default(self):
#.........这里部分代码省略.........
示例3: Celery
#.........这里部分代码省略.........
self._tasks = tasks
if not isinstance(self._tasks, TaskRegistry):
self._tasks = TaskRegistry(self._tasks or {})
# If the class defines a custom __reduce_args__ we need to use
# the old way of pickling apps, which is pickling a list of
# args instead of the new way that pickles a dict of keywords.
self._using_v1_reduce = app_has_custom(self, '__reduce_args__')
# these options are moved to the config to
# simplify pickling of the app object.
self._preconf = changes or {}
self._preconf_set_by_auto = set()
self.__autoset('broker_url', broker)
self.__autoset('result_backend', backend)
self.__autoset('include', include)
self._conf = Settings(
PendingConfiguration(
self._preconf, self._get_from_conf_and_finalize),
prefix=self.namespace,
)
# - Apply fix-ups.
self.fixups = set(self.builtin_fixups) if fixups is None else fixups
# ...store fixup instances in _fixups to keep weakrefs alive.
self._fixups = [symbol_by_name(fixup)(self) for fixup in self.fixups]
if self.set_as_current:
self.set_current()
# Signals
if self.on_configure is None:
# used to be a method pre 4.0
self.on_configure = Signal()
self.on_after_configure = Signal()
self.on_after_finalize = Signal()
self.on_after_fork = Signal()
self.on_init()
_register_app(self)
def on_init(self):
"""Optional callback called at init."""
pass
def __autoset(self, key, value):
if value:
self._preconf[key] = value
self._preconf_set_by_auto.add(key)
def set_current(self):
"""Makes this the current app for this thread."""
_set_current_app(self)
def set_default(self):
"""Makes this the default app for all threads."""
set_default_app(self)
def _ensure_after_fork(self):
if not self._after_fork_registered:
self._after_fork_registered = True
if register_after_fork is not None:
register_after_fork(self, _after_fork_cleanup_app)
def __enter__(self):
return self示例4: __init__
def __init__(
self,
main=None,
loader=None,
backend=None,
amqp=None,
events=None,
log=None,
control=None,
set_as_current=True,
tasks=None,
broker=None,
include=None,
changes=None,
config_source=None,
fixups=None,
task_cls=None,
autofinalize=True,
**kwargs
):
self.clock = LamportClock()
self.main = main
self.amqp_cls = amqp or self.amqp_cls
self.events_cls = events or self.events_cls
self.loader_cls = loader or self.loader_cls
self.log_cls = log or self.log_cls
self.control_cls = control or self.control_cls
self.task_cls = task_cls or self.task_cls
self.set_as_current = set_as_current
self.registry_cls = symbol_by_name(self.registry_cls)
self.user_options = defaultdict(set)
self.steps = defaultdict(set)
self.autofinalize = autofinalize
self.configured = False
self._config_source = config_source
self._pending_defaults = deque()
self._pending_periodic_tasks = deque()
self.finalized = False
self._finalize_mutex = threading.Lock()
self._pending = deque()
self._tasks = tasks
if not isinstance(self._tasks, TaskRegistry):
self._tasks = TaskRegistry(self._tasks or {})
# If the class defins a custom __reduce_args__ we need to use
# the old way of pickling apps, which is pickling a list of
# args instead of the new way that pickles a dict of keywords.
self._using_v1_reduce = app_has_custom(self, "__reduce_args__")
# these options are moved to the config to
# simplify pickling of the app object.
self._preconf = changes or {}
if broker:
self._preconf["BROKER_URL"] = broker
if backend:
self._preconf["CELERY_RESULT_BACKEND"] = backend
if include:
self._preconf["CELERY_IMPORTS"] = include
# - Apply fixups.
self.fixups = set(self.builtin_fixups) if fixups is None else fixups
# ...store fixup instances in _fixups to keep weakrefs alive.
self._fixups = [symbol_by_name(fixup)(self) for fixup in self.fixups]
if self.set_as_current:
self.set_current()
# Signals
if self.on_configure is None:
# used to be a method pre 3.2
self.on_configure = Signal()
self.on_after_configure = Signal()
self.on_after_finalize = Signal()
self.on_init()
_register_app(self)