docs: def handle_upload(repo, **kwargs):
      """
      :param kwargs: valud kwargs
           filename: file name
           filedata: file data
      :return: new Item
      """
      log.info('upload: %s' %(repo))
      name = kwargs.get('filename', 'Untitled')
      data = kwargs.get('filedata')
      repo.addItem(Item.from_string(repo=repo, name=name, string=data))