pygtk helloworld

#!/usr/bin/env python

import pygtk, gtk

pygtk.require('2.0')

class Base:
    def __init__(self):
	self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
	self.window.connect("delete_event", self.delete_event)
	self.window.connect("destroy", self.destroy)
	self.window.set_border_width(10)
	self.button = gtk.Button("Hello World")
	self.button.connect("clicked", self.hello, None)
	self.button.connect_object("clicked", gtk.Widget.destroy,self.window)
	self.window.add(self.button)
	self.button.show()
	self.window.show()
	
    def hello(self, widget,data=None):
	print "Hello World"
	
    def delete_event(self, widget, event, data = None):
	print "delete event occured"
	return False
	
    def destroy(self, widget, data=None):
	gtk.main_quit()
	
    def main(self):
	gtk.main()
	
print __name__
if __name__ == "__main__":
    base = Base()