.. wxPython Phoenix documentation

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   Copyright: (c) 2011-2020 by Total Control Software
   License:   wxWindows License

.. include:: headings.inc

.. currentmodule:: wx.lib.pubsub.core.topicexc

.. highlight:: python



.. _wx.lib.pubsub.core.topicexc.MessageDataSpecError:

==========================================================================================================================================
|phoenix_title|  **wx.lib.pubsub.core.topicexc.MessageDataSpecError**
==========================================================================================================================================

Raised when an attempt is made to define a topic's Message Data
Specification (MDS) to something that is not valid.

The keyword names for invalid data go in the 'args' list,
and the msg should state the problem and contain "%s" for the
args, such as MessageDataSpecError('duplicate args %s', ('arg1', 'arg2')).



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|class_hierarchy| Class Hierarchy
=================================

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   Inheritance diagram for class <strong>MessageDataSpecError</strong>:
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   <p class="graphviz">
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|super_classes| Known Superclasses
==================================

:class:`RuntimeError`

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|method_summary| Methods Summary
================================

================================================================================ ================================================================================
:meth:`~wx.lib.pubsub.core.topicexc.MessageDataSpecError.__init__`               Initialize self.  See help(type(self)) for accurate signature.
================================================================================ ================================================================================


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|api| Class API
===============


.. class:: MessageDataSpecError(RuntimeError)

   Raised when an attempt is made to define a topic's Message Data
   Specification (MDS) to something that is not valid.
   
   The keyword names for invalid data go in the 'args' list,
   and the msg should state the problem and contain "%s" for the
   args, such as MessageDataSpecError('duplicate args %s', ('arg1', 'arg2')).

   .. method:: __init__(self, msg, args)

      Initialize self.  See help(type(self)) for accurate signature.