(self, name, value)
| 419 | return not (name in self.modified) |
| 420 | |
| 421 | def __set(self, name, value): |
| 422 | d = self.definition(name) |
| 423 | d.validate(value) |
| 424 | value = d.nvl(value) |
| 425 | prev = self.defined[name] |
| 426 | self.defined[name] = value |
| 427 | self.modified.add(name) |
| 428 | d.linker.updated(self, prev, value) |
| 429 | |
| 430 | def __get(self, name, *df): |
| 431 | d = self.definition(name) |