December 2015
Beginner to intermediate
350 pages
6h 49m
English
Content preview from Python GUI Programming CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using module-level global variables
Encapsulation is a major strength in any programming language that enables us to program using OOP. Python is both OOP and procedural. We can create global variables that are localized to the module they reside in. They are global only to this module, which is one form of encapsulation. Why do we want this? Because, as we add more and more functionality to our GUI, we want to avoid naming conflicts, which could result in bugs in our code.
Note
We do not want naming clashes creating bugs in our code! Namespaces are one way to avoid these bugs, and in Python, we can do this by using Python modules (which are unofficial namespaces).
Getting ready
We can declare module-level globals in any module just above and outside ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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