Calling process:args = ['/wxdisk/PowerBridge/bin/CustomForecastGUI']if paths: iter = model.get_iter(paths[0]) args += ['-l', '"%s"' % (model.get_value(iter, 5),)]os.spawnvp(os.P_NOWAIT,'/wxdisk/PowerBridge/bin/CustomForecastGUI',args)Recieving process:opts, args = getopt.getopt(sys.argv[1:], 'l:', ('location=',))for o, a in opts: if o in ('-l', '--location') and a: self.selectLocation(a)Example:# script.py -l "Boston, ma" [('-l', 'Boston,')] ['ma']# script.py -l Boston, ma [('-l', 'Boston,')] ['ma']Expect from the first example: [('-l', 'Boston, ma')] []