Window freezes after clicking of button in python GTK3
import threading
def on_next2_clicked(self,button):
def my_thread(obj):
cmd = "My Command"
proc = subprocess.Popen(cmd,shell=True, stdout=subprocess.PIPE)
while True:
line = proc.stdout.read(2)
if not line:
break
obj.fper = float(line)/100.0
obj.ui.progressbar1.set_fraction(obj.fper)
print "Done"
threading.Thread(target=my_thread, args=(self,)).start()