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A strict companion to dataclasses

Project description

strictclasses

Disclaimer: this is beta software, API is not stable.

This is a validation companion to dataclasses.

It adds the strict method to the dataclass to validate the types are correct. Usage:

from dataclasses import dataclass
from strictclasses import strict

@strict
@dataclass
class Foo:
    bar: int


f = Foo('3')
f.strict() # -> AssertionError: bar is not an instance of <class 'int'>

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