signature Signature object describing a task invocation current_app proxy to the current application instance current_task proxy to the currently executing task Celery application objects New in version store_feed(feedparser.parse(url)) Note App Binding: For custom apps the task decorator will return a proxy object, so that the act of creating the task is not performed until the task is used or the task registry here. Celery Application. Proxies Functions Proxies celery.app.default_app = Proxy always returning the app set as default. Functions celery.app.app_or_default(app=None) Function

signature Signature object describing a task invocation current_app proxy to the current application instance current_task proxy to the currently executing task Celery application objects New in version store_feed(feedparser.parse(url)) Note App Binding: For custom apps the task decorator will return a proxy object, so that the act of creating the task is not performed until the task is used or the task registry here. Celery Application. Proxies Functions Proxies celery.app.default_app = Proxy always returning the app set as default. Functions celery.app.app_or_default(app=None) Function

signature Signature object describing a task invocation current_app proxy to the current application instance current_task proxy to the currently executing task Celery application objects New in version store_feed(feedparser.parse(url)) Note App Binding: For custom apps the task decorator will return a proxy object, so that the act of creating the task is not performed until the task is used or the task registry here. Celery Application. Proxies Functions Proxies celery.app.default_app = Proxy always returning the app set as default. Functions celery.app.app_or_default(app=None) Function

signature Signature object describing a task invocation current_app proxy to the current application instance current_task proxy to the currently executing task Celery application objects New in version store_feed(feedparser.parse(url)) Note App Binding: For custom apps the task decorator will return a proxy object, so that the act of creating the task is not performed until the task is used or the task registry here. Celery Application. Proxies Functions Proxies celery.app.default_app = Proxy always returning the app set as default. Functions celery.app.app_or_default(app=None) Function

. . . . . . . . . . . . . . . . . . . . . 616 16.4 dummy_threading —可直接替代 threading 模块。 . . . . . . . . . . . . . . . . . . . . . . 618 16.5 dummy_thread —Drop-in replacement for the thread module . aren’t checked. 65 The Python Library Reference, 发布 2.7.18 exception ReferenceError 此异常将在使用weakref.proxy() 函数所创建的弱引用来访问该引用的某个已被作为垃圾回收的属 性时被引发。有关弱引用的更多信息请参阅weakref 模块。 2.2 新版功能: Previously known as the weakref derives from object. weakref.proxy(object[, callback]) 返回 object 的一个使用弱引用的代理。此函数支持在大多数上下文中使用代理，而不要求显式地对所使 用的弱引用对象解除引用。返回的对象类型将为 ProxyType 或 CallableProxyType，具体取决于 object 是否可调用。Proxy 对象不是hashable 对象，无论被引用对象是否可哈希；这可避免与它们的基本

. . . . . . . . . . . . . . . . . . . . . 616 16.4 dummy_threading —可直接替代 threading 模块。 . . . . . . . . . . . . . . . . . . . . . . 618 16.5 dummy_thread —Drop-in replacement for the thread module . aren’t checked. 65 The Python Library Reference, 发布 2.7.18 exception ReferenceError 此异常将在使用weakref.proxy() 函数所创建的弱引用来访问该引用的某个已被作为垃圾回收的属 性时被引发。有关弱引用的更多信息请参阅weakref 模块。 2.2 新版功能: Previously known as the weakref derives from object. weakref.proxy(object[, callback]) 返回 object 的一个使用弱引用的代理。此函数支持在大多数上下文中使用代理，而不要求显式地对所使 用的弱引用对象解除引用。返回的对象类型将为 ProxyType 或 CallableProxyType，具体取决于 object 是否可调用。Proxy 对象不是hashable 对象，无论被引用对象是否可哈希；这可避免与它们的基本

. . . . . . . . . . . . . . . . . . . . . 616 16.4 dummy_threading —可直接替代 threading 模块。 . . . . . . . . . . . . . . . . . . . . . . 618 16.5 dummy_thread —Drop-in replacement for the thread module . aren’t checked. 65 The Python Library Reference, 发布 2.7.18 exception ReferenceError 此异常将在使用weakref.proxy() 函数所创建的弱引用来访问该引用的某个已被作为垃圾回收的属 性时被引发。有关弱引用的更多信息请参阅weakref 模块。 2.2 新版功能: Previously known as the weakref derives from object. weakref.proxy(object[, callback]) 返回 object 的一个使用弱引用的代理。此函数支持在大多数上下文中使用代理，而不要求显式地对所使 用的弱引用对象解除引用。返回的对象类型将为 ProxyType 或 CallableProxyType，具体取决于 object 是否可调用。Proxy 对象不是hashable 对象，无论被引用对象是否可哈希；这可避免与它们的基本

dummy.si(), chord( group([dummy.si(), dummy.si()]), dummy.si(), ), ), chain( dummy.si(), chord( group([dummy.si() si(), dummy.si()]), dummy.si(), ), ), ]), dummy.si() ) c.delay().get() Contributed by Maximilien Cuony Canvas: Complex canvases with error callbacks no longer raises an AttributeError signature Signature object describing a task invocation current_app proxy to the current application instance current_task proxy to the currently executing task Celery application objects New in version

dummy.si(), chord( group([dummy.si(), dummy.si()]), dummy.si(), ), ), chain( dummy.si(), chord( group([dummy.si() si(), dummy.si()]), dummy.si(), ), ), ]), dummy.si() ) c.delay().get() Contributed by Maximilien Cuony Canvas: Complex canvases with error callbacks no longer raises an AttributeError signature Signature object describing a task invocation current_app proxy to the current application instance current_task proxy to the currently executing task Celery application objects New in version

dummy.si(), chord( group([dummy.si(), dummy.si()]), dummy.si(), ), ), chain( dummy.si(), chord( group([dummy.si() si(), dummy.si()]), dummy.si(), ), ), ]), dummy.si() ) c.delay().get() Contributed by Maximilien Cuony Canvas: Complex canvases with error callbacks no longer raises an AttributeError signature Signature object describing a task invocation current_app proxy to the current application instance current_task proxy to the currently executing task Celery application objects New in version