wx.lib.pubsub.utils.notification.NotifyByPubsubMessage

Handle pubsub notification messages by generating messages of a ‘pubsub.’ subtopic. Also provides an example of how to create a notification handler.

Use it by calling:

import pubsub.utils
pubsub.utils.useNotifyByPubsubMessage()
...
pub.setNotificationFlags(...) # optional

E.g. whenever a listener is unsubscribed, a ‘pubsub.unsubscribe’ message is generated. If you have subscribed a listener of this topic, your listener will be notified of what listener unsubscribed from what topic.

Class Hierarchy

Inheritance diagram for class NotifyByPubsubMessage:

Known Superclasses

wx.lib.pubsub.core.notificationmgr.INotificationHandler

Methods Summary

__init__
createNotificationTopics	Create the notification topics. The root of the topics created
notifyDeadListener
notifyDelTopic
notifyNewTopic
notifySend	Stage must be ‘pre’ or ‘post’. Note that any pubsub sendMessage
notifySubscribe
notifyUnsubscribe

Class API

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class NotifyByPubsubMessage(INotificationHandler)

Handle pubsub notification messages by generating messages of a ‘pubsub.’ subtopic. Also provides an example of how to create a notification handler.

Use it by calling:

import pubsub.utils
pubsub.utils.useNotifyByPubsubMessage()
...
pub.setNotificationFlags(...) # optional

E.g. whenever a listener is unsubscribed, a ‘pubsub.unsubscribe’ message is generated. If you have subscribed a listener of this topic, your listener will be notified of what listener unsubscribed from what topic.

Methods

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__init__(self, topicMgr=None)

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createNotificationTopics(self, topicMgr)

Create the notification topics. The root of the topics created is self.topicRoot. The topicMgr is (usually) pub.topicMgr.

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notifyDeadListener(self, pubListener, topicObj)

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notifyDelTopic(self, topicName)

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notifyNewTopic(self, topicObj, desc, required, argsDocs)

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notifySend(self, stage, topicObj, pubListener=None)

Stage must be ‘pre’ or ‘post’. Note that any pubsub sendMessage operation resulting from this notification (which sends a message; listener could handle by sending another message!) will NOT themselves lead to a send notification.

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notifySubscribe(self, pubListener, topicObj, newSub)

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notifyUnsubscribe(self, pubListener, topicObj)