def get_object(self, name, obj):
        """
        :param name: -- string name of backend
        :param name: str
        :param obj: -- model object
        :type obj: django.db.models.Model
        :return: backend object
        :rtype: object
        """
        return self[name](obj, **self.opts(name))
:param name: -- string name of backend
        :param name: str
        :param obj: -- model object
        :type obj: django.db.models.Model
        :return: backend object
        :rtype: object