One post tagged with "enum"

In Python, the enum.Enum class is far more than a simple container for constants. It provides a robust, type-safe framework for data validation, serialization, metaprogramming, and static type checking.

Using Enums eliminates fragility across your codebase by replacing raw magic numbers and string literals with structured, immutable objects. By utilizing custom properties and dunder methods (__init__, __new__, _missing_, __str__, __format__), you can embed rich domain logic directly into your constant definitions.

This guide provides a comprehensive manual on Python Enums, covering core foundations, automatic values (auto()), uniqueness validation (@unique), primitive conversions, iteration, type hinting, JSON serialization, and advanced metaprogramming.