marshmallow_bonus.py 文件源码

def schema_validator_check_unknown_fields(self, data, original_data):
    """
    Schema validator, raise ValidationError for unknown fields in a
    marshmallow schema.

    example::

        class MySchema(marshsmallow.Schema):
            # method's name is not important
            __check_unknown_fields = validates_schema(pass_original=True)(
                schema_validator_check_unknown_fields)

            # Define the rest of your schema
            ...

    ..note:: Unknown fields with `missing` value will be ignored
    """
    # Just skip if dummy data have been passed to the schema
    if not isinstance(original_data, dict):
        return
    loadable_fields = [k for k, v in self.fields.items() if not v.dump_only]
    unknown_fields = {key for key, value in original_data.items()
                      if value is not missing and key not in loadable_fields}
    if unknown_fields:
        raise ValidationError([_('Unknown field name {field}.').format(field=field)
                               for field in unknown_fields])