Intermediate Python: Master Decorators From Scratch

Andy Bek

Last Updated on August 27, 2023 by GeeksGod

Welcome to the best and most complete guide to Python decorators!

In this course, you’ll cultivate a deep and practical understanding of decorators in Python, starting from the very basics. This beginner-friendly course is meticulously crafted to ensure you build a solid foundation from scratch while also getting ample practice in the process.

Before diving into decorators, we’ll explore the fundamental principles that serve as the building blocks of this intriguing topic. You’ll gain a deep understanding of higher-order functions, closures, and first-class functions – prerequisites that unlock the magic of decorators. Foundational topics include:

ClosuresFirst-Class FunctionsVariadicsHigher Order Functions

Once we have established a solid grasp of these functional foundations, we’ll dive into the captivating world of decorators. We’ll start with a gentle introduction and gradually move towards more intricate techniques. Our exploration of decorators will include:

Basic DecoratorsDecorating Parameterized FunctionsChaining DecoratorsDecorating Functions With Variable ArityPreserving Metadata of Decorated Functions

But that’s not all! Each concept will be reinforced through engaging coding assignments of increasing difficulty. Throughout the course, will also explore several skill challenges inspired by real-world scenarios including:

Logging Function OutputTiming Runtime PerformanceUsing Decorators In Mocked Authentication FlowsCreating Cache Mechanisms

This course is tailored specifically for Python programmers interested in deepening their understanding of decorators as a gateway to functional programming or as a standalone, intermediate-level programming pattern.

See you inside!

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What you will learn :

1. Understand what decorators are and how they are used in python functional programming
2. Write advanced, flexible decorators to handle caching, performance timing, logging, and more
3. Master the syntax and, more importantly, the core ideas behind decorators
4. Get ample practice through 12 coding assignments, followed by detailed solutions

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