gui.py 文件源码

def _tupleFromStr(self, text):
        tp = None
        try:
            exec 'tp = %s' % text
            if type(tp) != tuple:
                raise Exception
        except Exception:
            dialog = gtk.MessageDialog(self, gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
                                       gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,
                                        "Please enter a valid Python tuple,\ne.g. (1, 'abc', 3.14)")
            dialog.set_title('Error')
            dialog.run()
            dialog.destroy()
        finally:
            return tp