from threading import Thread
import time
from itertools import count 

class Modell(Thread):
    def __init__(self):
        Thread.__init__(self)
        self.running = True
        
    def stop(self):
        self.running = False

    def setFunktion(self, func, args=None, kwargs=None):
        self.func = func
        self.args = args or []
        self.kwargs = kwargs or {}
    
    def run(self): 
        t = Thread(target=self.func, args=self.args, kwargs=self.kwargs)
        t.setDaemon(True)
        t.start()
        
        while self.running:
            time.sleep(0.1)
    

    def worker(self):
        i= 0
        while True:
            i = i+1
            print(i)
            time.sleep(0.05)
    
c = Modell()
c.setFunktion(c.worker)
c.start()


t = time.time()
time.sleep(3)

c.stop()