Method evolve

jsonschema/validators.py:265–278

(self, **changes)

            )

            def evolve(self, **changes):
                cls = self.__class__
                schema = changes.setdefault("schema", self.schema)
                NewValidator = validator_for(schema, default=cls)

                for field in fields(cls):  # noqa: F402
                    if not field.init:
                        continue
                    attr_name = field.name
                    init_name = field.alias
                    if init_name not in changes:
                        changes[init_name] = getattr(self, attr_name)

                return NewValidator(**changes)

            cls.evolve = evolve