backup.py 文件源码

def parse_args():
    parser = argparse.ArgumentParser(description='Backup Block Device')
    parser.add_argument('--backup', required=True,
                        help='Path to backup file or device')
    parser.add_argument('--manifest', required=True,
                        help='manifest file')
    parser.add_argument('--cbt', required=False,
                        help='change block tracking info')
    parser.add_argument('--backend', required=False, default='raw',
                        choices=['raw'], help='backend driver')
    parser.add_argument('--storage', required=False, default='local',
                        choices=['local'], help='storage driver')
    parser.add_argument('--location', required=True, help='storage path')
    parser.add_argument('--driver', required=False, default='sqlite',
                        choices=['osdk', 'sqlite'], help='manifest driver')
    return parser.parse_args()