tidied up fire_and_forget_cmd for sound playing

libtuer.py

@@ -71,12 +71,13 @@ def fire_and_forget(f):
 
 # run a command asynchronously and log the return value if not 0
 # prefix must be a string identifying the code position where the call came from
-def fire_and_forget_cmd (cmd, log, prefix):
+def fire_and_forget_cmd (cmd, log_prefix):
+	logger.debug("Firing and forgetting command from %s: %s" % (log_prefix,str(cmd)))
 	def _fire_and_forget_cmd ():
 		with open("/dev/null", "w") as fnull:
 			retcode = subprocess.call(cmd, stdout=fnull, stderr=fnull)
 			if retcode is not 0:
-				logger.error("%sReturn code %d at command: %s" % (prefix,retcode,str(cmd)))
+				logger.error("%sReturn code %d at command: %s" % (log_prefix,retcode,str(cmd)))
 	fire_and_forget(_fire_and_forget_cmd)
 
 # Threaded callback class

statemachine.py

@@ -11,7 +11,7 @@ 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], logger.error, "StateMachine: ")
+	fire_and_forget_cmd ([SOUNDS_PLAYER,soundfile], "StateMachine: ")
 
 # convert an absolute nervlist to a relative one
 def nervlist_abs2rel(nervlist_abs):