Method add_url_rule

dash/backends/_flask.py:147–156

(
        self,
        rule: str,
        view_func: Callable[..., Any],
        endpoint: str | None = None,
        methods: list[str] | None = None,
    )

                return tb, 500

    def add_url_rule(
        self,
        rule: str,
        view_func: Callable[..., Any],
        endpoint: str | None = None,
        methods: list[str] | None = None,
    ):
        self.server.add_url_rule(
            rule, view_func=view_func, endpoint=endpoint, methods=methods or ["GET"]
        )

    def before_request(self, func: Callable[[], Any]):
        # Flask expects a callable; user responsibility not to pass None