import os class FromFlagFile: _flags_location = "/var/restore_infected" def __init__(self, flag_name): self.flag_file = os.path.join(self._flags_location, flag_name) def __get__(self, instance, owner): return os.path.isfile(self.flag_file) class Flags: DisableFtpBackups = FromFlagFile("disable_ftp_backups")