wxPython Recipes: A Problem - Solution Approach

© Mike Driscoll 2018

Mike DriscollwxPython Recipeshttps://doi.org/10.1007/978-1-4842-3237-8_20

20. Bonus Recipes

Mike Driscoll¹ 

(1)

Ankeny, New York, USA

 

Recipe 20-1. Catching Exceptions from Anywhere

Problem

If you use wxPython a lot, you will soon realize that some exceptions are difficult to catch. The reason it is so difficult is because wxPython is a wrapper around a C++ package called wxWidgets . Thus you have a mixture of C++ and Python in your application. What this means is that events bubble up from C++ to Python and back again. Where an exception occurs (the C++ side or the Python side) determines whether or not we will be able to catch it.

Solution

One solution that works in a lot of cases is using Python’s sys.excepthook . We’ll spend ...