Everything You Need to Know About Decorators in Python
Channel: Code GK
Date: 2021-09-11

Learn how to create and use decorators in Python. You will see how easy it is to use this advanced Python feature.
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Have you ever seen those “@” tags on top of Python functions and classes? Those are called decorators. Decorators, in their simplest form, wrap functions around functions. That might sound confusing at first, but it’s actually pretty useful. A simple decorator could measure execution times, add startup steps, or automatically repeat calls. Decorators are one of Python’s niftiest language features, and they help programmers write DRY (Don’t Repeat Yourself) code.


In this talk, we’ll learn all about decorators:

How they wrap functions
How to write our own decorators
How to do cool tricks with arguments, classes, and nesting
How to use popular decorators
How to decide when decorators are (and aren’t) the right solution
We’ll walk through plenty of example code together. We’ll also touch lightly on Functional Programming (FP) and Aspect-Oriented Programming (AOP) concepts to build a firm understanding about how decorators work. After this talk, you should be able to use decorators effectively in your own Python projects!

#python #decorators #

PUBLICATION PERMISSIONS:
Original video was published with the Creative Commons Attribution license (reuse allowed). Link: https://www.youtube.com/watch?v=WuVDEcwv9Xk
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