def __virtual__():
    if salt.utils.which('guestmount'):
        return 'guestfs'
    return (False, 'The guestfs execution module cannot be loaded: guestmount binary not in path.')
Construct the Arguments-part of the usage text.
dataset/ETHPy150Open saltstack/salt/salt/modules/guestfs.py/__virtual__--crossover with--dataset/ETHPy150Open IDSIA/sacred/sacred/arg_parser.py/_format_arguments_usage