Method analyze_class_decorator_common

mypy/semanal.py:2250–2269

Common method for applying class decorators. Called on regular classes, typeddicts, and namedtuples.

(
        self, defn: ClassDef, info: TypeInfo, decorator: Expression
    )

            defn.info.dataclass_transform_spec = self.parse_dataclass_transform_spec(decorator)

    def analyze_class_decorator_common(
        self, defn: ClassDef, info: TypeInfo, decorator: Expression
    ) -> None:
        """Common method for applying class decorators.

        Called on regular classes, typeddicts, and namedtuples.
        """
        if refers_to_fullname(decorator, FINAL_DECORATOR_NAMES):
            info.is_final = True
        elif refers_to_fullname(decorator, DISJOINT_BASE_DECORATOR_NAMES):
            if info.is_protocol:
                self.fail("@disjoint_base cannot be used with protocol class", decorator)
            elif info.typeddict_type is not None:
                self.fail("@disjoint_base cannot be used with TypedDict", decorator)
            else:
                info.is_disjoint_base = True
        elif refers_to_fullname(decorator, TYPE_CHECK_ONLY_NAMES):
            info.is_type_check_only = True
        elif (deprecated := self.get_deprecated(decorator)) is not None:
            info.deprecated = f"class {defn.fullname} is deprecated: {deprecated}"

    def clean_up_bases_and_infer_type_variables(
        self, defn: ClassDef, base_type_exprs: list[Expression], context: Context