gtkunixprint Constants the built-in constants of the gtkunixprint module (new in PyGTK 2.10) The Print Capabilities Flag constants specify the printing capabilities an application supports. gtkunixprint.PRINT_CAPABILITY_PAGE_SET gtkunixprint.PRINT_CAPABILITY_COPIES gtkunixprint.PRINT_CAPABILITY_COLLATE gtkunixprint.PRINT_CAPABILITY_REVERSE gtkunixprint.PRINT_CAPABILITY_SCALE