Toying with getting an icon in the system tray on OS X

SystemTrayIcon.py

import sys
import wx

TRAY_TOOLTIP = 'System Tray Demo'
TRAY_ICON = 'dropboxstatus-idle.ico'

def create_menu_item(menu, label, func):
    item = wx.MenuItem(menu, -1, label)
    menu.Bind(wx.EVT_MENU, func, id=item.GetId())
    menu.AppendItem(item)
    return item

class TaskBarIcon(wx.TaskBarIcon):
    def __init__(self):
        super(TaskBarIcon, self).__init__()
        icon = wx.Icon(TRAY_ICON, wx.BITMAP_TYPE_ICO)
        self.SetIcon(icon, "I am the icon")
        self.Bind(wx.EVT_TASKBAR_LEFT_DOWN, self.on_left_down)
    def CreatePopupMenu(self):
        menu = wx.Menu()
        create_menu_item(menu, 'Say Hello', self.on_hello)
        menu.AppendSeparator()
        create_menu_item(menu, 'Exit', self.on_exit)
        return menu
    def set_icon(self, path):
        icon = wx.IconFromBitmap(wx.Bitmap(path))
        self.SetIcon(icon, TRAY_TOOLTIP)
    def on_left_down(self, event):
        print('Tray icon was left-clicked.')
    def on_hello(self, event):
        print('Hello, world!')
    def on_exit(self, event):
        wx.CallAfter(self.Destroy)
        sys.exit(0)
        

class App(wx.App):
    def OnInit(self):
        self.SetTopWindow(wx.Frame(None, -1))
        TaskBarIcon()

        return True

def main():
    app = App()
    app.MainLoop()

if __name__ == '__main__':
    main()