def __init__(self):
        super().__init__("Delete ranking and all cache data and ranking data linked to it, used for broken "
                         "rankings.",
                         pid_file=True, stoppable=False)
        self.add_argument('--delete', dest="delete", action='store_true', default=False,
                          help="If this is not set, deletes a dry run will be performed instead.")
        self.add_argument('--keep-rankings', '-r', dest="keep_rankings", default=None,
                          help="Comma separated list of rankings to keep.")