2 posts tagged with "decorators"

Pydantic BaseModel class decorators are a powerful and modern way to customize a model's behavior and validation logic. While a lot of Pydantic's functionality is configured through class attributes or the ConfigDict, decorators offer a more explicit and code-centric approach, especially for complex validation.

Pydantic V2 introduced several new decorators to enhance validation and model configuration. The most important ones are:

• @model_validator
• @field_validator
• @computed_field

These decorators are typically imported from pydantic.

When you're diving into Python's Object-Oriented Programming (OOP) features, decorators like @property and @classmethod pop up all the time. They might seem similar at first glance, but they serve fundamentally different purposes. Getting them straight is key to writing clean, Pythonic code.

Let's cut through the noise and get straight to what they do and when you should use them.