Pretty good guidelines. I like the idea of having a configuration close to the class (perhaps module-level depending on the project size) that uses it. With dat

Pretty good guidelines. I like the idea of having a configuration close to the class (perhaps module-level depending on the project size) that uses it. With dataclass the class definition is fairly clean. In addition to that, I'd consider using https://docs.python.org/3/library/dataclasses.html#post-init-processing https://docs.python.org/3/library/dataclasses.html#post-init... for business-specific validations.