def show_backups(self, source): source = os.path.normpath(source) if source not in self.backuplist.get_sources(): print "Invalid source %s." % source return backupsource = BackUpSource(source, self.backuplist.get_target(source)) if backupsource is not None: backup_list = backupsource.list() print "\n".join(backup_list) else: print "Source is not used."