def add_arguments(self, parser):
        parser.add_argument(
            '-a', '--apps',
            choices=self.all_apps + ['all'],
            default='all',
            dest='apps',
            help='One or more apps separated by comma.'
        )
        parser.add_argument(
            '-f', '--flush',
            default=False,
            action='store_true',
            dest='flush',
            help='Flush database before generate.'
        )
dataset/ETHPy150Open allegro/ralph/src/ralph/data_importer/management/commands/demodata.py/Command.add_arguments/original