Decorator that adds *meth* to the list of validators. Returns *meth* unchanged. .. versionadded:: 17.1.0
(self, meth)
| 2809 | self.alias = alias |
| 2810 | |
| 2811 | def validator(self, meth): |
| 2812 | """ |
| 2813 | Decorator that adds *meth* to the list of validators. |
| 2814 | |
| 2815 | Returns *meth* unchanged. |
| 2816 | |
| 2817 | .. versionadded:: 17.1.0 |
| 2818 | """ |
| 2819 | if self._validator is None: |
| 2820 | self._validator = meth |
| 2821 | else: |
| 2822 | self._validator = and_(self._validator, meth) |
| 2823 | return meth |
| 2824 | |
| 2825 | def default(self, meth): |
| 2826 | """ |