schema.py 文件源码

def unwrap_request(self, data, many):
        if 'data' not in data:
            raise ma.ValidationError('Object must include `data` key.')

        data = data['data']
        data_is_collection = ma.utils.is_collection(data)
        if many:
            if not data_is_collection:
                raise ma.ValidationError([{'detail': '`data` object must be a collection.',
                                           'source': {'pointer': '/data'}}])

            return [self.unwrap_item(each) for each in data]

        if data_is_collection:
            raise ma.ValidationError([
                {'detail': '`data` object must be an object, not a collection.',
                 'source': {'pointer': '/data'}}])

        if data is None:
            # When updating relationships we need to specially handle the primary data being null.
            # http://jsonapi.org/format/1.1/#crud-updating-to-one-relationships
            raise NullPrimaryData()

        return self.unwrap_item(data)