code: def taskfileinfo_descriptor_data(tfi, role):
      
      if role == QtCore.Qt.DisplayRole or role == QtCore.Qt.EditRole:
          return tfi.descriptor
docs: Return the data for descriptor
  
      :param tfi: the :class:`jukeboxcore.filesys.TaskFileInfo` holds the data
      :type tfi: :class:`jukeboxcore.filesys.TaskFileInfo`
      :param role: item data role
      :type role: QtCore.Qt.ItemDataRole
      :returns: data for the descriptor
      :rtype: depending on role
      :raises: None