Be quiet at night

statemachine.py

 from libtuer import ThreadFunction, logger, fire_and_forget, fire_and_forget_cmd
 from actor import Actor
-import os, random, time, threading
+import os, random, time, threading, datetime
 
 # logger.{debug,info,warning,error,critical}
 
@@ -11,7 +11,9 @@ def play_sound (what):
 		logger.error("StateMachine: Unable to list sound files in %s" % (SOUNDS_DIRECTORY+what))
 		return
 	soundfile = SOUNDS_DIRECTORY + what + '/' + random.choice(soundfiles)
-	fire_and_forget_cmd ([SOUNDS_PLAYER,soundfile], "StateMachine: ")
+	hour = datetime.datetime.time(datetime.datetime.now()).hour
+	volume = 60 if hour >= 22 or hour <= 6 else 95
+	fire_and_forget_cmd ([SOUNDS_PLAYER, "-volume", str(volume), soundfile], "StateMachine: ")
 
 # convert an absolute nervlist to a relative one
 def nervlist_abs2rel(nervlist_abs):