Tkinter time display widget

requirements.txt

tkinter

time_show.py

from tkinter import Tk, Label, StringVar
from datetime import datetime
from os import fork
from sys import exit


class TimeDisplay:
    def __init__(self):
        self.window = Tk()
        self.window.title('Current Time')
        self.window.resizable(False, False)

        self.currentTime = StringVar()
        self.getTime()

        label = Label(self.window, height=5, width=20, textvariable=self.currentTime)
        label.config(font=('Verdana', 20, 'bold'))
        label.pack()

        try:
            self.window.mainloop()
        
        except KeyboardInterrupt:
            self.window.quit()

    def getTime(self):
        self.currentTime.set(datetime.now().strftime('%d-%m-%Y %H:%M:%S'))
        self.window.after(100, self.getTime)


if __name__ == "__main__":
    if fork():
        print('Detaching process...')
        exit()

    TimeDisplay()