example_menu.py

import sys

IS_MAC = sys.platform == 'darwin'
IS_WIN = sys.platform == 'win32'
if IS_MAC:
    from rumps import *
elif IS_WIN:
    from ruwps import *
else:
    print('Linux not supported!')  # We really also need rulps! ;-)
    sys.exit(1)


try:
    from urllib import urlretrieve
except ImportError:
    from urllib.request import urlretrieve

def sayhello(sender):
    print('hello {}'.format(sender))

def e(_):
    print('EEEEEEE')

def adjust_f(sender):
    if adjust_f.huh:
        sender.add('$')
        sender.add('%')
        sender['zzz'] = 'zzz'
        sender['separator'] = separator
        sender['ppp'] = MenuItem('ppp')
    else:
        del sender['$']
        del sender['%']
        del sender['separator']
        del sender['ppp']
    adjust_f.huh = not adjust_f.huh
adjust_f.huh = True

def print_f(_):
    print(f)

f = MenuItem('F', callback=adjust_f)

if IS_MAC:
    icon_file = 'kiss.png'
    urlretrieve('http://upload.wikimedia.org/wikipedia/commons/thumb/c/'
                'c4/Kiss_Logo.svg/200px-Kiss_Logo.svg.png', icon_file)
else:
    icon_file = 'favicon.ico'
    urlretrieve('https://en.wikipedia.org/static/favicon/wikipedia.ico',
                icon_file)


app = App('lovegun', icon=icon_file)
app.menu = [
    MenuItem('A', callback=print_f, key='F'),
    ('B', ['1', 2, '3', [4, [5, (6, range(7, 14))]]]),
    'C',
    [MenuItem('D', callback=sayhello), (1, 11, 111)],
    MenuItem('E', callback=e, key='e'),
    f,
    None,
    {
        'x': {'hello', 'hey'},
        'y': ['what is up']
    },
    [1, [2]],
    ('update method', ['walking', 'back', 'to', 'you']),
    'stuff',
    None
]

@clicked('update method')
def dict_update(menu):
    print(menu)
    print(menu.setdefault('boo', MenuItem('boo',
                                          callback=lambda _: add_separator(menu))))  # lambda gets THIS menu not submenu

def add_separator(menu):
    menu.add(separator)

@clicked('C')
def change_main_menu(_):
    print(app.menu)
    print('goodbye C')
    del app.menu['C']  # DELETE SELF!!!1

@clicked('stuff')
def stuff(sender):
    print(sender)
    if len(sender):
        sender.insert_after('lets', 'go?')
        sender['the'].insert_before('band', 'not')
        sender['the'].insert_before('band', 'a')
    else:
        sender.update(['hey', ['ho', MenuItem('HOOOO')], 'lets', 'teenage'], the=['who', 'is', 'band'])
        sender.add('waste land')

app.run()