.. wxPython Phoenix documentation

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

.. include:: headings.inc

.. module:: wx.lib.pubsub.setuparg1

.. currentmodule:: wx.lib.pubsub.setuparg1

.. highlight:: python



.. _wx.lib.pubsub.setuparg1:

==========================================================================================================================================
|phoenix_title|  **wx.lib.pubsub.setuparg1**
==========================================================================================================================================

Setup pubsub for the *arg1* message protocol. In a default pubsub installation
the default protocol is *kargs*.

This module must be imported before the first ``from pubsub import pub``
statement in the application. Once :mod:pub has been imported, the messaging
protocol must not be changed (i.e., importing it after the first
``from pubsub import pub`` statement has undefined behavior).
::

    from .. import setuparg1
    from .. import pub

The *arg1* protocol is identical to the legacy messaging protocol from
first version of pubsub (when it was still part of wxPython) and
is *deprecated*. This module is therefore *deprecated*.


|function_summary| Functions Summary
====================================

================================================================================ ================================================================================
:func:`~wx.lib.pubsub.setuparg1.enforceArgName`                                  This will configure pubsub to require that all listeners use
================================================================================ ================================================================================


|



Functions
------------

.. function:: enforceArgName(commonName)

   This will configure pubsub to require that all listeners use
   the same argument name (*commonName*) as first parameter. This
   is a ueful first step in migrating an application that has been
   using *arg1* protocol to the more powerful *kwargs* protocol. 


