SimplePy3TrayGTK.py

#!/usr/bin/env python3

from gi.repository import AppIndicator3 as appindicator
from gi.repository import Gtk as gtk
import subprocess


if __name__ == "__main__":
    indicator = appindicator.Indicator.new("My Menu", "usr/share/icons/" , appindicator.IndicatorCategory.APPLICATION_STATUS)
    indicator.set_status(appindicator.IndicatorStatus.ACTIVE)

    menu = gtk.Menu()
    
    OpenChrome = gtk.MenuItem("Open Google Chrome")
    OpenChrome.connect("activate", subprocess.call(["/usr/bin/google-chrome"])
    exit.show()
    menu.append(OpenChrome)                  
    
    exit = gtk.MenuItem("Exit")
    exit.connect("activate", gtk.main_quit())
    exit.show()
    menu.append(exit)

    menu.show()
    indicator.set_menu(menu)
    gtk.main()