Fixed: when receiving a SIGTERM signal, a smooth shutdown procedure should be performed on children processes.

Reverted the change for Python 2

bazarr.py

@@ -156,7 +156,7 @@ if __name__ == '__main__':
         pass
     
     
-    def daemon(daemonStatus):
+    def daemon(bazarr_runner = lambda: start_bazarr()):
         if os.path.exists(stopfile):
             try:
                 os.remove(stopfile)
@@ -172,9 +172,14 @@ if __name__ == '__main__':
             except:
                 print('Unable to delete restart file.')
             else:
-                start_bazarr(daemonStatus)
+                bazarr_runner()
     
     
+    bazarr_runner = lambda: start_bazarr()
+    
+    should_stop = lambda: False
+    
+    if PY3:
         daemonStatus = DaemonStatus()
         
         def shutdown():
@@ -184,9 +189,13 @@ if __name__ == '__main__':
             os.kill(os.getpid(), signal.SIGINT)
 
         signal.signal(signal.SIGTERM, lambda signal_no, frame: shutdown())
-    start_bazarr(daemonStatus)
+        
+        should_stop = lambda: daemonStatus.should_stop()
+        bazarr_runner = lambda: start_bazarr(daemonStatus)
+    
+    bazarr_runner()
     
     # Keep the script running forever until stop is requested through term or keyboard interrupt
-    while not daemonStatus.should_stop():
-        daemon(daemonStatus)
+    while not should_stop():
+        daemon(bazarr_runner)
         time.sleep(1)