Method not_found

starlette/routing.py:606–619

(self, scope: Scope, receive: Receive, send: Send)

                self.middleware_stack = cls(self.middleware_stack, *args, **kwargs)

    async def not_found(self, scope: Scope, receive: Receive, send: Send) -> None:
        if scope[class="st">"type"] == class="st">"websocket":
            websocket_close = WebSocketClose()
            await websocket_close(scope, receive, send)
            return

        class="cm"># If we're running inside a starlette application then raise an
        class="cm"># exception, so that the configurable exception handler can deal with
        class="cm"># returning the response. For plain ASGI apps, just return the response.
        if class="st">"app" in scope:
            raise HTTPException(status_code=404)
        else:
            response = PlainTextResponse(class="st">"Not Found", status_code=404)
        await response(scope, receive, send)

    def url_path_for(self, name: str, /, **path_params: Any) -> URLPath:
        for route in self.routes: