def item_chosen(button, choice):
print(choice)
response = urwid.Text([u'Running ', button.label, '\n'])
done = menu_button('Ok', show_main_menu)
top.pattern_menu(urwid.Filler(urwid.Pile([response, done])))
# run pattern
global pattern
if pattern.is_alive():
pattern.stop()
shytlight.clear_buffer()
pattern = choice()
pattern.start()
def exit_program(button):
if pattern.is_alive():
pattern.stop()
shytlight.clear_buffer()
raise urwid.ExitMainLoop()