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")