def add_basic_executor_options(argument_parser):
    """Add some basic options for an executor to an argparse argument_parser."""
    argument_parser.add_argument("args", nargs="+", metavar="ARG",
        help='command line to run (prefix with "--" to ensure all arguments are treated correctly)')
    argument_parser.add_argument("--version", action="version", version="%(prog)s " + __version__)

    verbosity = argument_parser.add_mutually_exclusive_group()
    verbosity.add_argument("--debug", action="store_true",
                           help="show debug output")
    verbosity.add_argument("--quiet", action="store_true",
                           help="show only warnings")
Add some basic options for an executor to an argparse argument_parser.