Persian textinput in kivy?

[Mahmud Kasaei]

i need to add a Unicode TextInput in kivy, that enter in it Persian character, i do this But when i enter in textinput Persian character the character don't show correctly i attach an example of textinput screen.

my .py file is:

import kivy

from kivy.app import App

from kivy.uix.widget import Widget

from kivy.uix.label import Label

from kivy.uix.textinput import TextInput

class GUI(Widget):

    def __init__(self, **kwargs):

        super(GUI, self).__init__(**kwargs)

        text_input=TextInput()

        text_input.font_name = "fonts/BNAZANIN.TTF"

        self.add_widget(text_input)

class MyApp(App):

    def build(self):

        return GUI()

if __name__ == '__main__' :

    MyApp().run()

######################################################

Please Help me.?

[Carsten Thielepape]

I think, you have to register the font by

LabelBase.register