firewalld client connection and connection-changed event

firewalld-client.py

from firewall.client import FirewallClient
import threading

from gi.repository import GLib

def fwConnectionChanged():
    print ("event connection changed")

def glib_mainloop(loop):
    loop.run()


loop = GLib.MainLoop()
fw = FirewallClient(wait=2)
fw.connect("connection-changed", fwConnectionChanged)

t = threading.Thread(target=glib_mainloop, args=(loop,))
t.start()
val = input("Press a key")

if fw.connected:
    print("fw is connected")
    print(fw.getZones())

loop.quit()
t.join()