Zegar analogowy

import time
import tkinter as tk
import math


def gettime():
    txt = time.ctime()
    return int(txt[11:13]),int(txt[14:16]),int(txt[17:19])

class tarcza:
    def __init__(self, kanwa):
        self.kanwa = kanwa
        self.konfig()
        self.rysuj()

    def konfig(self):
        self.wys = int(self.kanwa.config('height')[-1])
        self.szer = int(self.kanwa.config('width')[-1])
        self.x0,self.y0=self.szer/2, self.wys/2
        self.Rmax = min(self.x0,self.y0)


    def rysuj(self):
        godzina = 12
        for alfa in range(90,421,30):
            self.linia(self.Rmax-50, alfa, self.Rmax-70, alfa)
            self.podpis( self.Rmax-20, alfa, str(godzina))
            godzina -= 1

    def podpis (self, r, alfa, txt):
        x=self.x0 + r*math.cos(math.radians(alfa))
        y=self.y0 - r*math.sin(math.radians(alfa))
        kanwa.create_text(x,y,text=txt, fill='blue', font=('Arial',18))

    def linia(self, r1, alfa1, r2, alfa2):
        x1=self.x0 + r1*math.cos(math.radians(alfa1))
        y1=self.y0 - r1*math.sin(math.radians(alfa1))
        x2=self.x0 + r2*math.cos(math.radians(alfa1))
        y2=self.y0 - r2*math.sin(math.radians(alfa1))
        kanwa.create_line(x1,y1,x2,y2,width=5)

class wskaz:
    def __init__(self, kanwa):
        self.kanwa = kanwa
        x0 = 600/2; lx = 9*600/20
        y0 = 600/2; ly = 9*600/20
        r1 = 0.9 * min(lx,ly)
        r2 = 0.6 * min(lx,ly)
        r3 = 0.8 * min(lx,ly)

    def czas(self):
        t = localtime()
        t_s = t[5]
        t_m = t[4] + t_s/60
        t_h = t[3] % 12 + t_m/60

    def godzina(self, x0, y0, r1):
        phi = pi/6 * t_h
        x = x0 + r1 * sin(phi)
        y = y0 - r1 * cos(phi)
        kanwa.create_line(x0, y0, x, y, arrow=LAST, fill="red", width=3)

    def minuta(self, x0, y0, r2):
        phi = pi/30 * t_m
        x = x0 + r2 * sin(phi)
        y = y0 - r2 * cos(phi)
        kanwa.create_line(x0, y0, x, y, arrow=LAST, fill="blue", width=2)

    def sekunda(self, x0, y0, r3):
        phi = pi/30 * t_s
        x = x0 + r2 * sin(phi)
        y = y0 - r2 * cos(phi)
        kanwa.create_line(x0, y0 , x, y, arrow=LAST)


class zegarek(wskaz):
    def zegar(kanwa):
        kanwa.delete("all")
        wskaz(kanwa)
        kanwa.after(10, zegar, kanwa)


if __name__ == '__main__':
    app = tk.Tk()
    app.title('Zegarek')
    kanwa = tk.Canvas(app, width = 600, height = 600)
    kanwa.pack()

    T=tarcza(kanwa)
    W=zegarek(kanwa)


    app.mainloop()