'operator  - å€çåœæ°'

def operate_selected_rows(self, operator):

    (model, tree_paths) = self.selection.get_selected_rows()
    if (not tree_paths):
        return
    fids = []
    for tree_path in tree_paths:
        fids.append(model[tree_path][FID_COL])
    for fid in fids:
        row = self.get_row_by_fid(fid)
        if row:
            operator(row)
