Python's Magic Methods
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Python's Magic Methods

Beyond __init__ and __str__

About the Book

This book offers an in-depth exploration of Python's magic methods, examining the mechanics and applications that make these features essential to Python's design.

From customizing object construction and representation to enhancing object interaction, the book covers a wide variety of magic methods, giving readers deep insights into the flexibility and power they provide.

Through practical examples and clear explanations, the book shows how magic methods can change the way objects behave, making them more intuitive and integrated with Python's syntax and operations.

Readers will learn how to implement various magic methods, such as `__call__` for callable objects, `__enter__` and `__exit__` for context management, and reflective methods like `__hash__` and `__dir__`. By mastering these concepts, developers can create highly sophisticated data models and APIs that are both powerful and pleasant to use.

The book is a valuable resource for beginners and experienced Python developers, emphasizing that magic methods are not just syntactic sugar, but powerful tools that can significantly improve the functionality and performance of Python code when used correctly.

About the Author

Nuno Bispo
Nuno Bispo

Nuno Bispo is a Senior Software Engineer with over more than 15 years of experience in software development.

He has worked in various industries such as insurance, banking, and airlines, where he focused on building software using low-code platforms.

For the past years, Nuno has been improving his skills in Python and Django and has worked as a freelance consultant on many international projects and written several innovative articles on his blog.

Currently, Nuno works as an Integration Architect for a major multinational corporation.

He has a degree in Computer Engineering.

Table of Contents

    • Introduction
    • Chapter 1 - Understanding Magic Methods
      • Their Role in Python’s Object Model
      • Commonly Known Magic Methods
      • Introduction to Less Commonly Discussed Methods
    • Chapter 2 - Object Representation Methods
      • __repr__
      • __str__ vs __repr__
    • Chapter 3 - Arithmetic Magic Methods
      • Implementing Custom Arithmetic
      • Real-World Benefits
    • Chapter 4 - Comparison Magic Methods
      • More Customization with Rich Comparisons
      • Real-World Uses
    • Chapter 5 - Attribute Access and Manipulation
      • Attribute Access Methods
      • Managing Attribute Access
      • Real-World Uses
    • Chapter 6 - Container Magic Methods
      • Creating Custom Containers
      • Real-World Uses
    • Chapter 7 - Context Management Methods
      • Real-World Uses
    • Chapter 8 - Advanced Magic Methods
      • Callable Objects
      • Reflective Methods
    • Chapter 9 - Practical Applications and Benefits
      • Enhancing API Design
      • Framework and Library Examples
    • Conclusion

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