Demo/tkinter/matt/packer-simple.py

from tkinter import *


class Test(Frame):
    def printit(self):
        print(self.hi_there["command"])

    def createWidgets(self):
        # a hello button
        self.QUIT = Button(self, text='QUIT', foreground='red',
                           command=self.quit)
        self.QUIT.pack(side=LEFT, fill=BOTH)

        self.hi_there = Button(self, text='Hello',
                               command=self.printit)
        self.hi_there.pack(side=LEFT)

        # note how Packer defaults to side=TOP

        self.guy2 = Button(self, text='button 2')
        self.guy2.pack()

        self.guy3 = Button(self, text='button 3')
        self.guy3.pack()

    def __init__(self, master=None):
        Frame.__init__(self, master)
        Pack.config(self)
        self.createWidgets()

test = Test()
test.mainloop()