class UserInputError(Exception):
    def __init__(self, strerror, user_input):
        super().__init__(strerror, user_input)
        self.strerror = strerror
        self.user_input = user_input

    def __str__(self):
        return "{}: {}".format(self.strerror, self.user_input)


class UserInputConfigurationError(UserInputError):
    pass


class UserInputFileError(UserInputError):
    def __init__(self, strerror, path):
        super().__init__(strerror, path)
        self.path = path