statusbar.py

from tkinter import *
class StatusBar(Frame):
  def __init__(self, master):
    Frame.__init__(self, master)
    self.label = Label(self, bd=1, relief=SUNKEN, anchor=W)
    self.label.pack(fill=X)
  def set(self, format, *args):
    self.label.config(text=format % args)
    self.label.update_idletasks()
  def clear(self):
    self.label.config(text="")
    self.label.update_idletasks()

def main():                
  root=Tk()
  status = StatusBar(root)
  status.pack(side=BOTTOM, fill=X)
  mainloop()