dest as a string 'exclude', action as a string 'append' and help as a string 'Locales to exclude. Default is none. Can be used multiple times.'. call the method parser.add_argument with 5 arguments: string '--domain', string '-d', default as a string 'django',
parser . add_argument ( '--domain' , '-d' , default = 'django' , dest = 'domain' , help = 'The domain of the message files (default: "django").' )