Which Python @dataclass is best? Feat. Pydantic, NamedTuple, attrs...

Get rid of boilerplate in writing classes.

Which dataclass alternative should you use though? In this video we test dataclasses, attrs, tuple, namedtuple, NamedTuple, dict, SimpleNamespace, and Pydantic BaseModel for speed, memory efficiency, and features.

― mCoding with James Murphy (https://mcoding.io)

Source code: https://github.com/mCodingLLC/VideosSampleCode
Previous dataclasses video: https://youtu.be/vBH6GRJ1REM

dataclasses: https://docs.python.org/3/library/dataclasses.html
attrs: https://www.attrs.org/en/stable/examples.html
namedtuple: https://docs.python.org/3/library/collections.html#collections.namedtuple
NamedTuple: https://docs.python.org/3/library/typing.html#typing.NamedTuple
SimpleNamespace: https://docs.python.org/3/library/types.html#types.SimpleNamespace
Pydantic: https://pydantic-docs.helpmanual.io/usage/models/

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CHAPTERS
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0:00 Intro
1:04 dataclass
1:24 attrs
2:13 tuple, namedtuple, NamedTuple
4:05 dict
4:39 SimpleNamespace
4:58 Pydantic
6:39 Speed comparison
8:41 Memory comparison
9:15 Feature matrix and winners