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Mastering Python Design Patterns - Third Edition

You're reading from  Mastering Python Design Patterns - Third Edition

Product type Book
Published in May 2024
Publisher Packt
ISBN-13 9781837639618
Pages 296 pages
Edition 3rd Edition
Languages
Authors (2):
Kamon Ayeva Kamon Ayeva
Profile icon Kamon Ayeva
Sakis Kasampalis Sakis Kasampalis
Profile icon Sakis Kasampalis
View More author details
Toc

Table of Contents (17) Chapters close

Preface 1. Part 1: Start with Principles
2. Chapter 1: Foundational Design Principles 3. Chapter 2: SOLID Principles 4. Part 2: From the Gang of Four
5. Chapter 3: Creational Design Patterns 6. Chapter 4: Structural Design Patterns 7. Chapter 5: Behavioral Design Patterns 8. Part 3: Beyond the Gang of Four
9. Chapter 6: Architectural Design Patterns 10. Chapter 7: Concurrency and Asynchronous Patterns 11. Chapter 8: Performance Patterns 12. Chapter 9: Distributed Systems Patterns 13. Chapter 10: Patterns for Testing 14. Chapter 11: Python Anti-Patterns 15. Index 16. Other Books You May Enjoy

Following the Program to Interfaces, Not Implementations principle

In software design, it’s easy to get caught up in the specifics of how a feature is implemented. However, focusing too much on implementation details can lead to code that is tightly coupled and difficult to modify. The principle of Program to Interfaces, Not Implementations offers a solution to this problem.

What does it mean?

An interface defines a contract for classes, specifying a set of methods that must be implemented.

This principle encourages you to code against an interface rather than a concrete class. By doing so, you untie your code from the specific classes that provide the required behavior, making it easier to swap or extend implementations without affecting the rest of the system.

Benefits

Programming to interfaces offers several benefits:

  • Flexibility: You can easily switch between different implementations without altering the code that uses them
  • Maintainability: Losing...
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