Along with the basic requirements listed in Chapter 1, Getting Started with PyQt, you will need your calendar-form code and Qt Designer files from Chapter 2, Building Comprehensive Forms with QtWidgets. You may also wish to download the example code from our GitHub repository at https://github.com/PacktPublishing/Mastering-GUI-Programming-with-Python/tree/master/Chapter03.
Check out the following video to see the code in action: http://bit.ly/2M5OFQo