Python's super() explained

You probably already know how to use Python's super() to call base-class implementations of methods. But do you really know what it's doing? The details of super() are elegant, interesting, and powerful, and while super() is probably more complex than you expect, it's also surprisingly easy to understand. In this series we'll explore super() by first uncovering a bit of a mystery. To resolve the mystery, we'll look a bit under Python's hood to see how super() really works.


Python's super(): Not as Simple as You Thought

Posted on Fri 20 June 2014 by Austin Bingham

Python's super() is one of those aspects of the language that many developers use without really understanding what it does or how it works. [1] To many people, super() is simply how you access your base-class's implementation of a method. And while this is true, it's far from the full …

Method Resolution Order, C3, and Super Proxies

Posted on Thu 31 July 2014 by Austin Bingham

In the previous article in this series we looked at a seemingly simple class graph with some surprising behavior. The central mystery was how a class with two bases can seem to invoke two different method implementations with just a single invocation of super(). In order to understand how that …

The super() Mystery Resolved

Posted on Wed 20 August 2014 by Austin Bingham

In the previous articles in this series [1] we uncovered a small mystery regarding how Python's super() works, and we looked at some of the underlying mechanics of how super() really works. In this article we'll see how those details work together to resolve the mystery.

The mystery revisited

As …