code: def _load_sets(self,directory):
          
          # --- Read sets out of file
          _sets=[]
          try:
              fullfile=os.path.join(directory,SET_FILE)
              lsets=open(fullfile).readline().split(',')
              for tag in lsets:
                  _sets.append(tag.strip())
          except:
              logger.error("No sets found in %s, FB needs an album name (%s)"\
                      %(directory,SET_FILE))
              sys.exit(1)
  
          return _sets
docs: Loads sets from set file and return
          as list of strings