docs: def get_args():
      """Get the script arguments."""
      description = "bum - Download and display album art \
                     for mpd tracks."
      arg = argparse.ArgumentParser(description=description)
  
      arg.add_argument("--size", metavar="\"px\"",
                       help="what size to display the album art in.",
                       default=250)
  
      arg.add_argument("--cache_dir", metavar="\"/path/to/dir\"",
                       help="Where to store the downloaded cover art.",
                       default=pathlib.Path.home() / ".cache/bum")
  
      arg.add_argument("--version", action="store_true",
                       help="Print \"bum\" version.")
  
      arg.add_argument("--port",
                       help="Use a custom mpd port.",
                       default=6600)
  
      arg.add_argument("--server",
                       help="Use a remote server instead of localhost.",
                       default="localhost")
  
      arg.add_argument("--no_display",
                       action="store_true",
                       help="Only download album art, don't display.")
  
      return arg.parse_args()