Improve mpd logic

src/mpd.py

@@ -32,14 +32,14 @@ class Mpd():
         self.client.disconnect()
 
     def play_genre(self, genre):
+        res = ""
         self.client.connect(self.ip, self.port)
         logging.debug('Listing '+self.normalize_genre(genre))
+        list_album = []
         try:
             # todo: select only one album instead of the artist
             list_album = self.client.lsinfo(
                 "Subsonic/Genre/"+self.normalize_genre(genre))
-        except:
-            list_album = []
 
             if (list_album):
                 random_album = random.choice(list_album)["directory"]
@@ -47,9 +47,12 @@ class Mpd():
                 res = "C'est parti !"
             else:
                 res = "Je n\'ai rien trouvé."
-
+        except:
+            res = "Il y a eu une erreur durant le lancement de la musique"
+        finally:
             self.client.close()
             self.client.disconnect()
+
         return res
 
     def play_album(self, directory):

src/ratatouille.py

@@ -69,8 +69,7 @@ class Ratatouille():
         elif command == "LightOff":
             return self.light_off_single(payload['intentArg'][0])
         elif command == "PlayMusicGenre":
-            self.play_genre(payload['intentArg'][0])
-            return 'Lancement de la musique...'
+            return self.mopidy.play_genre(payload['intentArg'][0])
         return '42'
 
     def weather_query(self, entities):