class APIError(RuntimeError):
    def __init__(self, status_code: int, message: str = "") -> None:
        self.status_code = status_code
        self.message = message
        text = f"qmt api: http {status_code}"
        super().__init__(f"{text}: {message}" if message else text)

    @property
    def unauthorized(self) -> bool:
        return self.status_code == 401


class BusinessError(RuntimeError):
    pass