'Command line argument processing
:rtype : argparse.Namespace'

@staticmethod
def parse_cli_args():

    parser = argparse.ArgumentParser(description='Produce    an    Ansible    Inventory    file    based    on    ovirt')
    parser.add_argument('--list', action='store_true', default=True, help='List    instances    (default:    True)')
    parser.add_argument('--host', action='store', help='Get    all    information    about    an    instance')
    parser.add_argument('--pretty', action='store_true', default=False, help='Pretty    format    (default:    False)')
    return parser.parse_args()
