def METHOD_NAME():
    description = "apptainer configuration parsing helper in python"
    parser = optparse.OptionParser(description=description)
    # Configuration defaults header
    help = "configuration defaults header file (../src/lib/config_defaults.h)"
    parser.add_option("--defaults",
                      dest='defaults',
                      help=help,
                      type=str)
    # input configuration file
    help = "the configuration input file path (apptainer.conf.in)"
    parser.add_option("--infile",
                      dest='infile',
                      help=help,
                      type=str)
    # Output configuration file
    help = "the configuration output file path (apptainer.conf)"
    parser.add_option("--outfile",
                      dest='outfile',
                      help=help,
                      type=str)
    return parser