I do something similar with dataclasses using the `dacite` (https://github.com/konradhalas/dacite https://github.com/konradhalas/dacite) library as a constructo

I do something similar with dataclasses using the `dacite` (https://github.com/konradhalas/dacite https://github.com/konradhalas/dacite) library as a constructor for python dicts to dataclasses with runtime type-checking. Works really well with marshmallow for additional validation.