Method url_path_for

starlette/routing.py:499–520

(self, name: str, /, **path_params: Any)

        return Match.NONE, {}

    def url_path_for(self, name: str, /, **path_params: Any) -> URLPath:
        if self.name is not None and name == self.name and "path" in path_params:
            # 'name' matches "<mount_name>".
            path = path_params.pop("path")
            host, remaining_params = replace_params(self.host_format, self.param_convertors, path_params)
            if not remaining_params:
                return URLPath(path=path, host=host)
        elif self.name is None or name.startswith(self.name + ":"):
            if self.name is None:
                # No mount name.
                remaining_name = name
            else:
                # 'name' matches "<mount_name>:<child_name>".
                remaining_name = name[len(self.name) + 1 :]
            host, remaining_params = replace_params(self.host_format, self.param_convertors, path_params)
            for route in self.routes or []:
                try:
                    url = route.url_path_for(remaining_name, **remaining_params)
                    return URLPath(path=str(url), protocol=url.protocol, host=host)
                except NoMatchFound:
                    pass
        raise NoMatchFound(name, path_params)

    async def handle(self, scope: Scope, receive: Receive, send: Send) -> None:
        await self.app(scope, receive, send)