Python: Decorators in OOP

Python: Decorators in OOP

A decorator in Python is any callable Python object that is used to modify a function or a class. In this post, we’ll first discuss what decorators are, followed by a discussion on classmethods and staticmethods along with the property decorator.

A guide on classmethods, staticmethods and the property decorator in OOP (Object Oriented Programming)

The Object Oriented Programming paradigm became popular in the ’60s and ‘70s, in languages like Lisp and Smalltalk. Such features were also added to existing languages like Ada, Fortran and Pascal.

Python is an object oriented programming language, though it doesn’t support strong encapsulation.

Introductory topics in object-oriented programming in Python — and more generally — include things like defining classes, creating objects, instance variables, the basics of inheritance, and maybe even some special methods like __str__. But when we have an advanced look, we could talk about things like the use of decorators, or writing a custom new method, metaclasses, and Multiple Inheritance.

In this post, we’ll first discuss what decorators are, followed by a discussion on classmethods and staticmethods along with the property decorator.

Classmethods, staticmethods and property are examples of what are called descriptors. These are objects which implement the __get__ , __set__ or __delete__ methods.

But, that’s a topic for another post.

Table of Contents

We’ll talk about the following in this article:

  • what are decorators?
  • classmethods
  • staticmethods
  • @property

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