def _get_dict_to_list_validator()

in atr/util.py [0:0]

• 14 lines of code
• 5 McCabe index (conditional complexity)

def _get_dict_to_list_validator(inner_adapter: pydantic.TypeAdapter[dict[Any, Any]], key: str) -> Any:
    def validator(val: Any) -> Any:
        import pydantic.fields as fields

        if isinstance(val, dict):
            validated = inner_adapter.validate_python(val)

            # need to get the alias of the field in the nested model
            # as this will be fed into the actual model class
            def get_alias(field_name: str, field_infos: Mapping[str, fields.FieldInfo]) -> Any:
                field = field_infos[field_name]
                return field.alias if field.alias else field_name

            return [
                {key: k, **{get_alias(f, v.model_fields): getattr(v, f) for f in v.model_fields}}
                for k, v in validated.items()
            ]

        return val

    return validator