AddLocationForm:
<AddLocationForm@BoxLayout>:
    orientation: "vertical"
    BoxLayout:
        height: "40dp"  # <1>
        size_hint_y: None
        TextInput:
            size_hint_x: 50  # <2>
        Button:
            text: "Search"
            size_hint_x: 25  # <3>
        Button:
            text: "Current Location"
            size_hint_x: 25  # <3>
    ListView:  # <4>
        item_strings: ["Браилов", "Жмеринка"]

>>> "Браилов".encode('utf-8').decode('cp1251')
'Браилов'
>>>

 from kivy.app import App
from kivy.core.text import LabelBase
class LoginApp(App):
    pass
if __name__=='__main__':
    LabelBase.register(name="RobotoCondensed",
                       fn_regular="data/fonts/RobotoCondensed-Light.ttf",
                       fn_bold="data/fonts/RobotoCondensed-Regular.ttf",
                       fn_italic="data/fonts/RobotoCondensed-LightItalic.ttf",
                       fn_bolditalic="data/fonts/RobotoCondensed-Italic.ttf")
    LoginApp().run()

<Label>
    font_size:45
    font_name:'RobotoCondensed'
Label:
    text: 'привет'

 # encoding=utf8  
import sys 
reload(sys)  
sys.setdefaultencoding('utf8')