.. wxPython Phoenix documentation
This file was generated by Phoenix's sphinx generator and associated
tools, do not edit by hand.
Copyright: (c) 2011-2020 by Total Control Software
License: wxWindows License
.. include:: headings.inc
.. currentmodule:: wx.lib.pubsub.core.topicmgr
.. highlight:: python
.. _wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider:
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|phoenix_title| **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.
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|class_hierarchy| Class Hierarchy
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.. raw:: html

Inheritance diagram for class
_MasterTopicDefnProvider:
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|method_summary| Methods Summary
================================
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:meth:`~wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider.__init__` Initialize self. See help(type(self)) for accurate signature.
:meth:`~wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider.addProvider` Add given provider IF not already added.
:meth:`~wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider.clear` Remove all providers added.
:meth:`~wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider.getDefn` Returns a pair (docstring, MDS) for the topic. The first item is
:meth:`~wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider.getNumProviders` Return how many providers added.
:meth:`~wx.lib.pubsub.core.topicmgr._MasterTopicDefnProvider.isDefined` Returns ``True`` only if a complete definition exists, ie topic
================================================================================ ================================================================================
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|api| Class API
===============
.. 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.
.. method:: __init__(self, treeConfig)
Initialize self. See help(type(self)) for accurate signature.
.. method:: addProvider(self, provider)
Add given provider IF not already added.
.. method:: clear(self)
Remove all providers added.
.. method:: 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.
.. method:: getNumProviders(self)
Return how many providers added.
.. method:: isDefined(self, topicNameTuple)
Returns ``True`` only if a complete definition exists, ie topic
has a description and a complete message data specification (MDS).