Global Shortcut On Gnome 3.32 Wayland (Fedora 30)

gnome_wayland_bind_global_shortcut.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
#  
#  Copyright 2019 youcef sourani <youssef.m.sourani@gmail.com>
#  
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#  
#  This program 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 General Public License for more details.
#  
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#  MA 02110-1301, USA.
#  
#  
import dbus
from gi.repository import GLib
from dbus.mainloop.glib import DBusGMainLoop
from time import sleep

DBusGMainLoop(set_as_default=True)

loop              = GLib.MainLoop()
bus               = dbus.SessionBus()
gnome_obj         = bus.get_object("org.gnome.Shell","/org/gnome/Shell")
ids_functions_map = dict()



def on_alt_i_clicked():
    print("Alt I Clicked")
    
def on_alt_u_clicked():
    print("Alt U Clicked")
    
keyboard_shortcuts_and_functions = {
                                    "<Alt>I" : on_alt_i_clicked,
                                    "<Alt>U" : on_alt_u_clicked
                                    }


def on_accelerator_activated(actionid,argv):
    print(argv)
    ids_functions_map[actionid]()


def wayland_unbind_key_to_function():
    bus.remove_signal_receiver( on_accelerator_activated, signal_name="AcceleratorActivated", dbus_interface="org.gnome.Shell", bus_name="org.gnome.Shell")
    for k in ids_functions_map.keys():
        print(k)
        gnome_obj.UngrabAccelerator(k,dbus_interface="org.gnome.Shell")
        sleep(0.5)

def wayland_bind_key_to_function():
    global ids_functions_map
    ids_functions_map.clear()
    
    for shortcut,func in keyboard_shortcuts_and_functions.items():
        id__ = gnome_obj.GrabAccelerator(shortcut,1,1,dbus_interface="org.gnome.Shell")
        print(id__)
        ids_functions_map.setdefault(id__,func)
        sleep(0.5)
    bus.add_signal_receiver( on_accelerator_activated, signal_name="AcceleratorActivated", dbus_interface="org.gnome.Shell", bus_name="org.gnome.Shell")

if __name__ == "__main__":
    try:
        if not loop.is_running():
            wayland_bind_key_to_function()
            loop.run()
    except KeyboardInterrupt:
        wayland_unbind_key_to_function()
        loop.quit()