code: def _load_tags(self,directory):
          
          #FIXME: should check if DB tracking file before using it
          # --- Read tags out of file
          _tags=''
          try:
              fullfile=os.path.join(directory,TAG_FILE)
              ltags=open(fullfile).readline().split(',')
              _tags=''' '''
  
              for tag in ltags:
                  _tags+='''"'''+tag.strip()+'''" '''
              _tags=_tags.strip()
          except:
              logger.info("No tags found in %s"%(directory))
  
          return _tags
docs: Loads tags from tag file and return
          as flickr api compatible string