Check if data exists before executing commands that would fail otherwise

addon.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<addon id="plugin.video.surveillanceroom" name="Surveillance Room" version="1.0.2" provider-name="Maikito26">
+<addon id="plugin.video.surveillanceroom" name="Surveillance Room" version="1.0.3" provider-name="Maikito26">
   <requires>
     <import addon="xbmc.python" version="2.19.0"/>
     <import addon="script.module.requests" version="2.3.0" optional="false"/>

changelog.txt

@@ -1,3 +1,8 @@
+v1.0.3 (Oct 24 2015)
+--------------------
+Fixed Issues: 
+- Further improved utils.py to check if data before executing commands
+
 v1.0.2 (Oct 24 2015)
 --------------------
 Fixed Issues: 

resources/lib/utils.py

@@ -85,14 +85,17 @@ def remove_cached_art(art):
         #Get cached image name to remove                  
         db.execute("SELECT cachedurl FROM texture WHERE url = '%s';" %art)
         data = db.fetchone()
-        #log(4, 'Removing Cached Art :: SQL Output: %s' %data[0]) -> Causes an error on first time configuring
 
-        file_to_delete = os.path.join(_tbn_path, data[0])
-        log(4, 'Removing Cached Art :: File to be removed: %s' %file_to_delete)
+        if data[0]:
+
+            log(4, 'Removing Cached Art :: SQL Output: %s' %data[0]) -> Causes an error on first time configuring
+
+            file_to_delete = os.path.join(_tbn_path, data[0])
+            log(4, 'Removing Cached Art :: File to be removed: %s' %file_to_delete)
 
-        xbmcvfs.delete(file_to_delete)
-        db.execute("DELETE FROM texture WHERE url = '%s';" %art)
-
+            xbmcvfs.delete(file_to_delete)
+            db.execute("DELETE FROM texture WHERE url = '%s';" %art)
+        
     except lite.Error, e:
         print "Error %s:" % e.args[0]
         #sys.exit(1)