code: def getScriptArgumentParser(args=sys.argv):
      
      # Description
      parser = argparse.ArgumentParser(
              description=DESCRIPTION)
      # source
      parser.add_argument('config_file',
              help="Valid script configration file.  This should be the path to "\
                   "the script XML configuration file.  See config_sample.xml"\
                   "for detailed config specifications.")
      
      # --verbose
      parser.add_argument('--verbose',
              action='store_true',
              help="Echo verbose messages to stdout.")
      
      # --verbose
      parser.add_argument('--debug',
              action='store_true',
              help="Echo debug messages to stdout.")
      
      return parser
docs: Return ArgumentParser object
      
      Kwargs:
          args (list):        list of arguments that will be parsed.  The default
                              is the sys.argv list, and should be correct for most
                              use cases.
          components (list)   
      
      Returns:
          ArgumentParser object that can be used to validate and execute the
          current script invocation.