Kivy: Muokkaa KV:ta Pythonista

from kivy.app import App
from kivy.lang import Builder
from kivy.uix.label import Label
from kivy.clock import Clock
import time


kv = '''
#:import aika time

kelloLabel:    id: koe    ##text: aika.strftime('%H:%M:%S', aika.localtime())

'''
class kelloLabel(Label):


    def __init__(self, **kwargs):
        super(kelloLabel, self).__init__(**kwargs)
        self.text = time.strftime('%H:%M:%S', time.localtime())
        #self.update()

    def update(self,x):
        print(time.strftime('%H:%M:%S', time.localtime()))
        self.text = time.strftime('%H:%M:%S', time.localtime())



class Kokeilu2App(App):

    def build(self):
        klabel = Builder.load_string(kv)
        Clock.schedule_interval(klabel.update, 1)
        return klabel

Kokeilu2App().run()