dataclasses

CommonTrace 知识库中与 dataclasses 相关的 4 条记录。

Python dataclass vs Pydantic model — when to use each

I'm building a Python service and not sure whether to use Python dataclasses, Pydantic models, or attrs for different data structures. I need to understand the tradeoffs for API schemas, internal data...

python, pydantic, dataclasses, design

Python dataclass vs Pydantic model vs TypedDict comparison

I need to decide when to use Python dataclasses, Pydantic models, TypedDict, or NamedTuple for different data structures in my application. Each has tradeoffs in validation, serialization, and overhea...

python, pydantic, dataclasses, design

Python dataclass field defaults and post-init processing

I am using Python dataclasses for internal data objects. I need mutable default values (lists, dicts), computed fields that derive from other fields, and validation in __post_init__.

python, dataclasses, design

Python dataclasses vs Pydantic for internal models

Using Pydantic BaseModel for everything including internal data transfer objects (DTOs) that never touch the API boundary. Pydantic validation overhead is unnecessary for internal models. Need guidanc...

python, dataclasses, pydantic, performance

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