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0150-python-design-patterns

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Refactor toward clean, testable Python services.

Software Engineering#refactoring#design patterns#python#testability#composition#dependency injection#separation of concerns
AuthorMrJmpl3
Version1.0.0
Installs0

System Documentation

What problem does it solve?

It solves maintainability problems caused by entangled responsibilities, tight coupling, and overly complex classes/functions by guiding you toward simpler, testable Python architecture decisions.

Core Features & Use Cases

  • Single Responsibility & Separation of Concerns: Split HTTP/API handling, business rules, and data access into layers so changes in one area don’t cascade everywhere.
  • KISS & Rule of Three: Avoid premature abstraction while still refactoring divergent duplication into the right level of structure.
  • Composition over Inheritance: Build flexible, mock-friendly behavior by combining collaborators instead of hard-to-test class hierarchies.
  • Practical refactoring & PR review guidance: Identify structural issues such as leaking internal types, mixed I/O and business logic, and layering violations.

Quick Start

Use the skill to refactor a monolithic Python handler into a service + repository structure by applying KISS, SRP, and dependency injection.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: 0150-python-design-patterns
Download link: https://github.com/MrJmpl3/codex_____data_____configuration/archive/main.zip#0150-python-design-patterns

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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