(self, src: str, dst: str = None, delta=0)
| 467 | class FieldLength(NamedTransform): |
| 468 | |
| 469 | def __init__(self, src: str, dst: str = None, delta=0) -> None: |
| 470 | self.delta = delta |
| 471 | if not dst: |
| 472 | dst = f'{src}_length' |
| 473 | super().__init__(src, dst) |
| 474 | |
| 475 | def __call__(self, sample: dict) -> dict: |
| 476 | sample[self.dst] = len(sample[self.src]) + self.delta |