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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
wxPython - Introduction and sample

Python has a number of GUIs ... and these days wxPython is the most popular. As one of the latter sessions of yesterday's Python Programming Course, I introduced the GUI and talked a little about how it's programmed, and the delegates put together a short sample application.

wxPython uses Python. So you need to know some Python. Then you import wx ... and write your application:

• Write a class (extending one of the ones that comes with wx) to define your components (widgets), how those components are laid out (geometry) and what to do when someone presses a button or drags the mouse (events).

• Create an object of that class, and put it in a frame

• Show the frame (important this one - otherwise you won't see your work)

• Call a main application loop method which waits for events and handles them. All the action of you code will take place within the event handler routines, and other code that those event handlers call - you won't call the functionality directly.

• That's the end of your code. The main loop never returns as you (should) have some sort of application exit within it, programmed onto a quit button.


Here's a sample display:


And the source code is here
(written 2009-01-29)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
Y207 - wxPython
  [903] Pieces of Python - (2006-10-23)
  [2744] PyQt (Python and Qt) and wxPython - GUI comparison - (2010-04-28)
  [2887] Snow Leopard and Python (that is OS X 10.6 and wxPython) - (2010-07-26)
  [3081] wxPython - simple example to add GUI to a server log file analysis - (2010-12-08)
  [3086] Sizers (geometry control) in a wxPython GUI - a first example - (2010-12-15)
  [3092] wxPython geometry - BoxSizer example - (2010-12-17)
  [3139] Steering our Python courses towards wxPython, SQLite and Django - (2011-01-19)
  [4589] Principles or a GUI and their practical application using wxPthon - (2015-11-30)


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