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Python GUI Programming Cookbook, Second Edition

You're reading from   Python GUI Programming Cookbook, Second Edition Use recipes to develop responsive and powerful GUIs using Tkinter

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781787129450
Length 444 pages
Edition 2nd Edition
Languages
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Author (1):
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Burkhard Meier Burkhard Meier
Author Profile Icon Burkhard Meier
Burkhard Meier
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Toc

Table of Contents (12) Chapters Close

Preface 1. Creating the GUI Form and Adding Widgets FREE CHAPTER 2. Layout Management 3. Look and Feel Customization 4. Data and Classes 5. Matplotlib Charts 6. Threads and Networking 7. Storing Data in our MySQL Database via our GUI 8. Internationalization and Testing 9. Extending Our GUI with the wxPython Library 10. Creating Amazing 3D GUIs with PyOpenGL and PyGLet 11. Best Practices

Configuring different debug output levels


In this recipe, we will configure different debug levels, which we can select and change at runtime. This allows us to control how much we want to drill down into our code when debugging our code.

We will create two new Python classes and place both of them into the same module.

We will use four different logging levels and write our debugging output to a log file we will create. If the logs folder does not exist, we will create it automatically as well.

The name of the log file is the name of the executing script, which is our refactored GUI.py. We can also choose other names for our log files by passing in the full path to the initializer of our Logger class.

Getting ready

We will continue using our refactored GUI.py code from the previous recipe.

How to do it…

First, we create a new Python module into which we place two new classes. The first class is very simple and defines the logging levels. This is basically an enumeration:

class LogLevel: 
'''Define...
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