Restore defaults for all options.
(self)
| 211 | return k in self._options |
| 212 | |
| 213 | def reset(self): |
| 214 | """ |
| 215 | Restore defaults for all options. |
| 216 | """ |
| 217 | for o in self._options.values(): |
| 218 | o.reset() |
| 219 | self.changed.send(updated=set(self._options.keys())) |
| 220 | |
| 221 | def update_known(self, **kwargs): |
| 222 | """ |