Python Tkinter timer animation

#!/usr/bin/env python3

# Display UTC.
# started with https://docs.python.org/3.4/library/tkinter.html#module-tkinter

import tkinter as tk
import time

def current_iso8601():
    """Get current date and time in ISO8601"""
    # https://en.wikipedia.org/wiki/ISO_8601
    # https://xkcd.com/1179/
    return time.strftime("%Y%m%dT%H%M%SZ", time.gmtime())

class Application(tk.Frame):
    def __init__(self, master=None):
        tk.Frame.__init__(self, master)
        self.pack()
        self.createWidgets()

    def createWidgets(self):
        self.now = tk.StringVar()
        self.time = tk.Label(self, font=('Helvetica', 24))
        self.time.pack(side="top")
        self.time["textvariable"] = self.now

        self.QUIT = tk.Button(self, text="QUIT", fg="red",
                                            command=root.destroy)
        self.QUIT.pack(side="bottom")

        # initial time display
        self.onUpdate()

    def onUpdate(self):
        # update displayed time
        self.now.set(current_iso8601())
        # schedule timer to call myself after 1 second
        self.after(1000, self.onUpdate)

root = tk.Tk()
app = Application(master=root)
root.mainloop()

Source: stackoverflow.com

Similar codes

0 vote207 views1 answer
Python enumerate to skip items
Python
-1 vote198 views1 answer
Python curses resize window
Python
0 vote191 views1 answer
Dataframe memory usage
Python
0 vote204 views1 answer
DatetimeProperties' object has no attribute 'weekday_name'
Python
1 vote197 views1 answer
Python check if variable is iterable
Python
0 vote201 views1 answer
Get Dates Between Two Ranges
Python
0 vote211 views1 answer
Python declare variable type array
Python
5 votes184 views6 answers
How to check a string in if statement python
Python
39 votes202 views6 answers
Random list python
Python
1 vote218 views1 answer
Check odd numbers numpy
Python