subscriber
¶
The subscriber
ZCML directive configures an subscriber
callable to listen for events broadcast by the Pyramid web
framework.
Attributes¶
for
- The class or interface that you are subscribing the listener for,
e.g.
pyramid.events.NewRequest
. Registering a subscriber for a specific class or interface limits the event types that the subscriber will receive to those specified by the interface or class. Default:zope.interface.Interface
(implying any event type). handler
- A dotted Python name which references an event handler
callable. The callable should accept a single argument:
event
. The return value of the callable is ignored.
Examples¶
1 2 3 4 | <subscriber
for="pyramid.events.NewRequest"
handler=".subscribers.handle_new_request"
/>
|
Alternatives¶
You can also register an event listener by using the
pyramid.config.Configurator.add_subscriber()
method.
See Also¶
See also Using Events.