#!/usr/bin/env python

#import sys

#

#if sys.version_info.major == 2:

# import Tkinter as tk

#else:

# import tkinter as

try:

import Tkinter as tk # Python 2.x

except:

import tkinter as tk # Python 3.x

from datetime import datetime

# --- constants ---

# empty

# --- classes ---

class Clock(tk.Tk):

def __init__(self):

# create main window and set its title

tk.Tk.__init__(self) # Python 2 & 3

#super().__init__() # Python 3 only

self.title('Time')

# create variable for displayed time and use it with Label

self.txt_var = tk.StringVar()

tk.Label(self, textvariable=self.txt_var).pack()

def update(self):

# update displayed time

current_time = datetime.now()

current_time_str = current_time.strftime('%Y.%m.%d %H:%M:%S')

# current_time_str = datetime.now().strftime('%Y.%m.%d %H:%M:%S')

self.txt_var.set(current_time_str)

# rupdate again after 1000ms (1s)

self.after(1000, self.update)

def run(self):

# update first time

self.update()

# start the engine :)

self.mainloop()

# --- functions ---

# empty

# --- main ---

Clock().run()