So we have one file which contains the class with all the functions we want to expose (in our case, the class is named JobManager). At the end, it goes

    if __name__ == '__main__':
        fire.Fire(JobManager)

Then we have a second file for the GUI, which has a main-function that does some argparse stuff. The GUI interface is simplified from the CLI interface, so it's not that much work to write the argparse code for that. Simplified, it looks a little like this :

    @Gooey(default_size=(1000, 600))
    def main():
        parser = GooeyParser(description="jobGUI")
        # argparser code
        args = parser.parse_args()
    
        JobManager(args.name, args.whatever)
    
    if __name__ == '__main__':
        main()