def METHOD_NAME(self):
    for rec in self:
        if rec.type == "model":
            model = self.env[rec.model]
            if model._auto and model._transient:
                rec.model_type = "transient"
            elif model._auto:
                rec.model_type = ""
            elif not model._auto and model._abstract:
                rec.model_type = "abstract"
            else:
                rec.model_type = "sql_view"
        else:
            rec.model_type = ""