Fix artwork cache

Still looking into the delay with extra fanart scenario

resources/lib/artwork.py

@@ -103,7 +103,7 @@ class Artwork():
             result = xbmc.executeJSONRPC(json.dumps(web_user))
             self.xbmc_username = "kodi"
 
-        else:
+
         # Webserver already enabled
         web_port = {
 
@@ -116,6 +116,7 @@ class Artwork():
             }
         }
         result = xbmc.executeJSONRPC(json.dumps(web_port))
+        result = json.loads(result)
         try:
             self.xbmc_port = result['result']['value']
         except TypeError:
@@ -132,6 +133,7 @@ class Artwork():
             }
         }
         result = xbmc.executeJSONRPC(json.dumps(web_user))
+        result = json.loads(result)
         try:
             self.xbmc_username = result['result']['value']
         except TypeError:
@@ -148,6 +150,7 @@ class Artwork():
             }
         }
         result = xbmc.executeJSONRPC(json.dumps(web_pass))
+        result = json.loads(result)
         try:
             self.xbmc_password = result['result']['value']
         except TypeError:
@@ -315,13 +318,13 @@ class Artwork():
                 cacheimage = True
                 self.logMsg("Adding Art Link for kodiId: %s (%s)" % (kodiId, imageUrl), 2)
                 
-                query = ' '.join((
+                query = (
+                    '''
+                    INSERT INTO art(media_id, media_type, type, url)
 
-                    "INSERT INTO art(",
-                        "media_id, media_type, type, url)",
-
-                    "VALUES (?, ?, ?, ?)"
-                ))
+                    VALUES (?, ?, ?, ?)
+                    '''
+                )
                 cursor.execute(query, (kodiId, mediaType, imageType, imageUrl))
             
             else: # Only cache artwork if it changed