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wxPython GUI wxPython GUI The wxPython module can be used to create a graphical application (GUI) that looks like a native application on any operating system including Windows, Mac OS X and Linux.

The official wxPython site has several screenshots and downloads for these platforms. wxPython is based on wxWidgets.

Related course: Creating GUI Applications with wxPython

Install wxPython

First download and install WxPython, the Python bindings for wxWidgets.

sudo apt-get install python-wxgtk2.8 python-wxtools wx2.8-doc wx2.8-examples wx2.8-headers wx2.8-i18n

Then install a GUI creator called wxglade:

sudo apt-get install wxglade

Using a GUI builder such as wxGlade will save you a lot of time, regardless of the GUI library you use. You can easily make complex graphical interfaces because you can simply drag and drop.

Creating our first GUI with Python and wxWidgets:

Start wxglade. You will see its user interface:

wxglade wxglade

Press on tiny window on the top left, below the file icon.

wxglade wxglade

Press OK. An empty window will now appear. Press on the tiny [OK] button in the wxGlade panel and press on the frame. The button will now appear. Press on Application in the tree window.

wxglade wxglade

Set the output file in the wxproperties window.

wxglade wxglade

If you look at the window note you can select multiple programming languages and two versions of wxWidgets. Select Python and wxWidgets 2.8. Finally press Generate code. (Do NOT name the file because the import needs wx, save it as or something else).

Running wxglade code:



And a window with a button will appear. Pressing the button will not do anything. To start a function when pressing the button, we need to define a so called Callback. This can be as simple as:

def OnButton(self, Event, button_label):
print "In OnButton:", button_label

Finally we bind the button to the callback function using:

self.button_1.Bind(wx.EVT_BUTTON, self.OnButton )

Pressing the button will now write a message to the command line. Instead of the boring command line message, we want to show a message box. This can be done using this command:

wx.MessageBox( "This is a message.", "Button pressed.");

wxPython example code

The full code below:

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# generated by wxGlade 0.6.8 on Fri Jan 23 22:59:56 2015

import wx

# begin wxGlade: dependencies
import gettext
# end wxGlade

# begin wxGlade: extracode
# end wxGlade

class MyFrame(wx.Frame):
def __init__(self, *args, **kwds):
# begin wxGlade: MyFrame.__init__
kwds["style"] = wx.DEFAULT_FRAME_STYLE
wx.Frame.__init__(self, *args, **kwds)
self.button_1 = wx.Button(self, wx.ID_ANY, _("Hello World!"))
self.button_1.Bind(wx.EVT_BUTTON, self.OnButton )

# end wxGlade

def __set_properties(self):
# begin wxGlade: MyFrame.__set_properties
self.SetTitle(_("wxWidgets button example. "))
# end wxGlade

def __do_layout(self):
# begin wxGlade: MyFrame.__do_layout
sizer_1 = wx.BoxSizer(wx.VERTICAL)
sizer_1.Add(self.button_1, 0, 0, 0)
# end wxGlade

def OnButton(event, button_label):
wx.MessageBox( "This is a message.", "Button pressed.");

# end of class MyFrame
if __name__ == "__main__":
gettext.install("app") # replace with the appropriate catalog name

app = wx.PySimpleApp(0)
frame_1 = MyFrame(None, wx.ID_ANY, "")

Related course: Creating GUI Applications with wxPython



Leave a Reply:

Shlomo Fri, 18 Sep 2015

Hello Frank, First of all I find your tutorials very helpful. I installed the wxGlade on my win7 enterprise but when I press the Icon it does nothing. I am using python 2.7.10 fresh install into c:\python27.
I installed wxPython under the c:\python27\lib\site-packeges\wx-3.0-msw and wxglade at the same location under wxGlade. the installation created an icon on the desktop. When I press it nothing happend. Can you help with it ?

Frank Fri, 18 Sep 2015

Hi Shlomo,
Make sure you have wx runtime installed:
Is there a log file called wxglade.log in "C:\Users\your username\AppData\wxglade" (or "C:\Users\your username=""\AppData\Roaming\wxglade" ?

Shlomo Sat, 19 Sep 2015

Hello Frank. I did the install of all the packages. and at the end I find out that the installer of wxGlade did not created the wxGlade folder under c:\Users\myUserprofile\appdata\roming\wxglade !
I created it manually and now I have the wxGlade SAE working.
I tried to install the SPE IDE and the PyCard Etc in all the cases the same happened it is installed but did not work when pressing the ICON on the desktop. Nor by manually start from the shell.
For now I will work with the already working wxGlade. Later I will check why the others did not work
In any case in your article you should also add installation for Windows not only for linux.