How to use the andriller.config function in andriller

def conf():
    os.environ['HOME'] = tempfile.mkdtemp()
    yield config.Config()
    shutil.rmtree(os.environ['HOME'])

def conf(self):
        if not hasattr(self, '_conf'):
            self._conf = config.Config()
        return self._conf

def set_icon(self):
        if 'win32' in sys.platform:
            icon_ = os.path.join(config.CODEPATH, 'res', 'icon3.ico')
            self.root.iconbitmap(default=icon_)
        elif 'linux' in sys.platform:
            img_ = tk.Image('photo', file=os.path.join(config.CODEPATH, 'res', 'icon3.png'))
            self.root.tk.call('wm', 'iconphoto', self.root._w, img_)

'control': ttk.OptionMenu,
                'values': [12, 20],
            },
            'theme': {
                'label': 'Theme',
                'tooltip': 'Style appearance of the user interface',
                'var': tk.StringVar,
                'control': ttk.OptionMenu,
                'values': self.style_ttk.theme_names(),
            },
            'time_zone': {
                'label': 'Time zone offset',
                'tooltip': 'UTC offset for reporting time and date stamps',
                'var': tk.StringVar,
                'control': ttk.OptionMenu,
                'values': config.TIME_ZONES,
            },
            'date_format': {
                'label': 'Date format',
                'tooltip': 'Format in which the time and date are reported',
                'var': tk.StringVar,
                'control': ttk.Entry,
            },
            'custom_header': {
                'label': 'Custom header',
                'tooltip': 'Custom header information for HTML reports. Use HTML tags for customization.',
                'var': tk.StringVar,
                'control': ttk.Entry,
            },
            'custom_footer': {
                'label': 'Custom footer',
                'tooltip': 'Custom footer information for HTML reports. Use HTML tags for customization.',

self.root = tk.Toplevel(root, takefocus=True)
            self.root.protocol("WM_TAKE_FOCUS")
            self.root.transient(root)
            self.root.bind('', lambda e: self.root.destroy())
        else:
            self.root = tk.Tk()
            self.root.bind('', self.quit_app)
            self.root.protocol("WM_DELETE_WINDOW", self.quit_app)
        self.root.title(title)
        self.root.resizable(False, False)
        self.set_icon()
        self.root.grid_columnconfigure(0, weight=1)
        self.root.grid_rowconfigure(0, weight=1)
        self.NWES = (tk.N, tk.W, tk.E, tk.S)
        self.WE = (tk.W, tk.E)
        logo_ = os.path.join(config.CODEPATH, 'res', 'logo.gif')
        self.img_logo = tk.PhotoImage(master=root, file=logo_)
        self.style_ttk = ttk.Style()
        self.conf = config.Config()
        if self.conf('theme'):
            self.style_ttk.theme_use(self.conf('theme'))

        self.FontMono = self.get_monospace_font()
        self.FontStatus = font.Font(size='10', weight='bold')
        self.FontTitle = font.Font(size='12', weight='bold')
        self.FontInfo = font.Font(size='9', slant='italic')

        self.OUTPUT = tk.StringVar()

        self.mainframe = ttk.Frame(self.root, padding=5, relief='groove')
        self.mainframe.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
        # self.mainframe.grid(row=0, column=0, sticky=self.NWES)