How to use the wpgtk.data.files.get_sample_path function in wpgtk

exit(0)

    if args.theme == "list":
        dark = settings['light_theme'] != "true"
        name_dic = pywal.theme.list_themes(dark)
        name_list = [t.name.replace(".json", "") for t in name_dic]
        print("\n".join(name_list))
        exit(0)

    if args.sat:
        cl = color.get_color_list(args.sat[0])
        val = float(args.sat[1])
        cl = [util.alter_brightness(x, 0, val) for x in cl]

        color.write_colors(args.sat[0], cl)
        sample.create_sample(cl, files.get_sample_path(args.sat[0]))
        exit(0)

    if args.brt:
        cl = color.get_color_list(args.brt[0])
        val = float(args.brt[1])
        cl = [util.alter_brightness(x, val, 0) for x in cl]

        color.write_colors(args.brt[0], cl)
        sample.create_sample(cl, files.get_sample_path(args.brt[0]))
        exit(0)

    if args.theme and args.theme != "list":
        light = settings['light_theme'] == "true"
        themer.set_pywal_theme(args.theme, light)
        exit(0)

if args.c:
        print(themer.get_current())
        exit(0)

    if args.z or args.A:
        alter_action = color.shuffle_colors if args.z \
                       else color.auto_adjust
        arg_list = args.z if args.z else args.A

        for arg in arg_list:
            colors = color.get_color_list(arg)
            colors = alter_action(colors)
            color.write_colors(arg, colors)

            sample.create_sample(colors, files.get_sample_path(arg))
            logging.info("shuffled %s" % arg)
        exit(0)

    if args.link:
        files.add_template(args.link[1], args.link[0])
        exit(0)

    if args.i:
        themer.import_theme(args.i[0], args.i[1], args.T)
        exit(0)

    if args.o:
        themer.export_theme(*args.o)
        exit(0)

    if args.R:

if args.sat:
        cl = color.get_color_list(args.sat[0])
        val = float(args.sat[1])
        cl = [util.alter_brightness(x, 0, val) for x in cl]

        color.write_colors(args.sat[0], cl)
        sample.create_sample(cl, files.get_sample_path(args.sat[0]))
        exit(0)

    if args.brt:
        cl = color.get_color_list(args.brt[0])
        val = float(args.brt[1])
        cl = [util.alter_brightness(x, val, 0) for x in cl]

        color.write_colors(args.brt[0], cl)
        sample.create_sample(cl, files.get_sample_path(args.brt[0]))
        exit(0)

    if args.theme and args.theme != "list":
        light = settings['light_theme'] == "true"
        themer.set_pywal_theme(args.theme, light)
        exit(0)

    if args.backend == "list":
        print("\n".join(pywal.colors.list_backends()))
        exit(0)

    if args.update:
        for arg in args.update:
            if arg.endswith(".base"):
                files.update_template(arg)
        exit(0)

def on_ok_click(self, widget):
        current_walls = files.get_file_list()
        if len(current_walls) > 0:
            x = self.option_combo.get_active()
            color.write_colors(current_walls[x], self.color_list)
            tmpfile = os.path.join(WALL_DIR, ".tmp.sample.png")
            if(os.path.isfile(tmpfile)):
                shutil.move(os.path.join(WALL_DIR, ".tmp.sample.png"),
                            files.get_sample_path(current_walls[x]))
                self.done_lbl.set_text("Changes saved")
                x = self.parent.colorscheme.get_active()
                sample_path = files.get_sample_path(self.selected_file)
                self.parent.pixbuf_sample = GdkPixbuf.Pixbuf\
                    .new_from_file_at_size(sample_path, width=500, height=300)
                self.parent.sample.set_from_pixbuf(self.pixbuf_sample)

def render_theme(self):
        sample_path = files.get_sample_path(self.selected_file)

        try:
            self.color_list = color.get_color_list(self.selected_file)
        except SystemExit:
            self.color_list = themer.set_fallback_theme(self.selected_file)
        self.render_buttons()

        try:
            self.pixbuf_sample = GdkPixbuf.Pixbuf\
                .new_from_file_at_size(sample_path, width=500, height=300)
        except:
            sample.create_sample(self.color_list, sample_path)
            self.pixbuf_sample = GdkPixbuf.Pixbuf\
                .new_from_file_at_size(sample_path, width=500, height=300)

        self.sample.set_from_pixbuf(self.pixbuf_sample)