new_contents: #!/bin/env python
  # -*- Mode: Python; py-indent-offset: 4 -*-
  # vim: tabstop=4 shiftwidth=4 expandtab
  #
  # Copyright (C) 2010 Red Hat, Inc., John (J5) Palmieri <johnp@redhat.com>
  #
  # This library is free software; you can redistribute it and/or
  # modify it under the terms of the GNU Lesser General Public
  # License as published by the Free Software Foundation; either
  # version 2.1 of the License, or (at your option) any later version.
  #
  # This library is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  # Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this library; if not, write to the Free Software
  # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  # USA
  
  title = "Builder"
  description = """
  Demonstrates an interface loaded from a XML description.
  """
  
  # See FIXME's
  is_fully_bound = False
  
  from gi.repository import Gtk, GdkPixbuf, Gdk
  import os
  
  class BuilderApp:
      def __init__(self):
          self.builder = Gtk.Builder()
          filename = os.path.join('data', 'demo.ui')
          self.builder.add_from_file(filename)
          self.builder.connect_signals(self)
  
          window = self.builder.get_object('window1')
          window.connect('destroy', lambda x: Gtk.main_quit())
          window.show_all()
  
      def about_activate(self, action):
          about_dlg = self.builder.get_object('aboutdialog1')
          about_dlg.run()
          about_dlg.hide()
  
      def quit_activate(self, action):
          Gtk.main_quit()
  
  def main():
      app = BuilderApp()
      Gtk.main()
  
  if __name__ == '__main__':
      main()
  
subject: add the builder demo