Added transation handling for filesystem sources.

modules/core/engine.py

@@ -636,7 +636,13 @@ class SoundSystem():
         if channel not in ChannelType.FILESYSTEM.channels:
             raise InvalidChannelException
         self.logger.info(SimpleUtil.pink("playlist.push('%s', '%s'" % (channel, uri)))
-        return self.__send_lqc_command__(self.client, channel, "playlist_push", uri)
+
+        self.enable_transaction()
+        result = self.__send_lqc_command__(self.client, channel, "playlist_push", uri)
+        self.logger.info("%s.playlist_push result: %s" % (channel, result))
+        self.disable_transaction()
+
+        return result
 
 
 
@@ -649,8 +655,13 @@ class SoundSystem():
         """
         if channel not in ChannelType.FILESYSTEM.channels:
             raise InvalidChannelException
-        return self.__send_lqc_command__(self.client, channel, "playlist_seek", str(seconds_to_seek))
 
+        self.enable_transaction()
+        result = self.__send_lqc_command__(self.client, channel, "playlist_seek", str(seconds_to_seek))
+        self.logger.info("%s.playlist_seek result: %s" % (channel, result))
+        self.disable_transaction()
+
+        return result
 
 
     def playlist_clear(self, channel):
@@ -661,10 +672,13 @@ class SoundSystem():
             raise InvalidChannelException
 
         self.logger.info(SimpleUtil.pink("Clearing filesystem queue '%s'!" % channel))
-        return self.__send_lqc_command__(self.client, channel, "playlist_clear")
-        
 
+        self.enable_transaction()
+        result = self.__send_lqc_command__(self.client, channel, "playlist_clear")
+        self.logger.info("%s.playlist_clear result: %s" % (channel, result))
+        self.disable_transaction()
 
+        return result
 
     #
     #   Fading