Class NoMatchFound

starlette/routing.py:29–37

Raised by `.url_for(name, **path_params)` and `.url_path_for(name, **path_params)` if no matching route exists.

class NoMatchFound(Exception):
    """
    Raised by `.url_for(name, **path_params)` and `.url_path_for(name, **path_params)`
    if no matching route exists.
    """

    def __init__(self, name: str, path_params: dict[str, Any]) -> None:
        params = ", ".join(list(path_params.keys()))
        super().__init__(f'No route exists for name "{name}" and params "{params}".')


class Match(Enum):