Convert the I{value} into the default when I{None}. @param value: The proposed value. @type value: any @return: The I{default} when I{value} is I{None}, else I{value}. @rtype: any
(self, value=None)
| 158 | self.linker = linker |
| 159 | |
| 160 | def nvl(self, value=None): |
| 161 | """ |
| 162 | Convert the I{value} into the default when I{None}. |
| 163 | @param value: The proposed value. |
| 164 | @type value: any |
| 165 | @return: The I{default} when I{value} is I{None}, else I{value}. |
| 166 | @rtype: any |
| 167 | """ |
| 168 | if value is None: |
| 169 | return self.default |
| 170 | else: |
| 171 | return value |
| 172 | |
| 173 | def validate(self, value): |
| 174 | """ |