def _on_apply(self):
        ui = self.ui
        self._apply_context(ui.context, ui._context)
        self.revert.setEnabled(True)
        ui.handler.apply(ui.info)
        ui.modified = False
Returns a list of all parent recipes used by recipe list
dataset/ETHPy150Open enthought/traitsui/traitsui/qt4/ui_modal.py/_ModalDialog._on_apply--crossover with--dataset/ETHPy150Open facebook/IT-CPE/autopkg_runner/autopkg_runner.py/create_parent_list