comparison scripts/score_parser.py @ 2036:237570166d1f

Comment and rating scripts: robust against audioholders without id or audioelements; fixes issue where plots were not cleared before adding new content; showing legend optional; robust against non-UTF8 characters in legend names

 
         # get list of all pages this subject evaluated
         for audioholder in root.findall("./audioholder"):    # iterate over pages
             page_name = audioholder.get('id') # get page name
             #print ["DEBUG    page " + page_name]
+            
+            if page_name is None: # ignore 'empty' audio_holders
+                break
 
             file_name = 'ratings/'+page_name+'-ratings.csv' # score file name
 
             # create folder 'ratings if not yet created
             if not os.path.exists('ratings'):