wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider

Stores a list of topic definition providers. When queried for a topic definition, queries each provider (registered via addProvider()) and returns the first complete definition provided, or (None,None).

The providers must follow the ITopicDefnProvider protocol.

Class Hierarchy

Inheritance diagram for class _MasterTopicDefnProvider:

Methods Summary

__init__
addProvider	Add given provider IF not already added.
clear	Remove all providers added.
getDefn	Returns a pair (docstring, MDS) for the topic. The first item is
getNumProviders	Return how many providers added.
isDefined	Returns True only if a complete definition exists, ie topic

Class API

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class _MasterTopicDefnProvider

Stores a list of topic definition providers. When queried for a topic definition, queries each provider (registered via addProvider()) and returns the first complete definition provided, or (None,None).

The providers must follow the ITopicDefnProvider protocol.

Methods

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__init__(self, treeConfig)

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addProvider(self, provider)

Add given provider IF not already added.

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clear(self)

Remove all providers added.

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getDefn(self, topicNameTuple)

Returns a pair (docstring, MDS) for the topic. The first item is a string containing the topic’s “docstring”, i.e. a description string for the topic, or None if no docstring available for the topic. The second item is None or an instance of ArgSpecGiven specifying the required and optional message data for listeners of this topic.

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getNumProviders(self)

Return how many providers added.

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isDefined(self, topicNameTuple)

Returns True only if a complete definition exists, ie topic has a description and a complete message data specification (MDS).