You can get type annotations at runtime. And you can use this for validation with something you roll yourself or with 3rd party packages. I've used pydantic [1]

You can get type annotations at runtime. And you can use this for validation with something you roll yourself or with 3rd party packages. I've used pydantic [1] before and found it quite nice. [1] https://pydantic-docs.helpmanual.io https://pydantic-docs.helpmanual.io