def METHOD_NAME(args):
    """将灰度标注图片转换为伪彩色图片"""
    input = args.dir_or_file
    output_dir = args.output_dir
    if not osp.exists(output_dir):
        os.makedirs(output_dir)
        print('Creating colorful label directory:', output_dir)
    color_map = get_color_map_list(256)
    if os.path.isdir(input):
        for fpath, dirs, fs in os.walk(input):
            for f in fs:
                try:
                    grt_path = osp.join(fpath, f)
                    _output_dir = fpath.replace(input, '')
                    _output_dir = _output_dir.lstrip(os.path.sep)
                    im = Image.open(grt_path)
                    lbl = np.asarray(im)
                    lbl_pil = Image.fromarray(lbl.astype(np.uint8), mode='P')
                    lbl_pil.putpalette(color_map)
                    real_dir = osp.join(output_dir, _output_dir)
                    if not osp.exists(real_dir):
                        os.makedirs(real_dir)
                    new_grt_path = osp.join(real_dir, f)
                    lbl_pil.save(new_grt_path)
                    print('New label path:', new_grt_path)
                except:
                    continue
    elif os.path.isfile(input):
        if args.dataset_dir is None or args.file_separator is None:
            print('No dataset_dir or file_separator input!')
            sys.exit()
        with open(input) as f:
            for line in f:
                parts = line.strip().split(args.file_separator)
                grt_name = parts[1]
                grt_path = os.path.join(args.dataset_dir, grt_name)
                im = Image.open(grt_path)
                lbl = np.asarray(im)
                lbl_pil = Image.fromarray(lbl.astype(np.uint8), mode='P')
                lbl_pil.putpalette(color_map)
                grt_dir, _ = osp.split(grt_name)
                new_dir = osp.join(output_dir, grt_dir)
                if not osp.exists(new_dir):
                    os.makedirs(new_dir)
                new_grt_path = osp.join(output_dir, grt_name)
                lbl_pil.save(new_grt_path)
                print('New label path:', new_grt_path)
    else:
        print('It\'s neither a dir nor a file')