This seems like a more developed version of voluptuous (a validation library): https://github.com/alecthomas/voluptuous https://github.com/alecthomas/voluptuou

This seems like a more developed version of voluptuous (a validation library): https://github.com/alecthomas/voluptuous https://github.com/alecthomas/voluptuous Voluptuous is perfect for putting as validation in from of a JSON API. Not sure what I would use schematics for