(self)
| 347 | self.close() |
| 348 | |
| 349 | def _build_nested_paths(self): |
| 350 | paths = self.reader.column_paths |
| 351 | |
| 352 | result = defaultdict(list) |
| 353 | |
| 354 | for i, path in enumerate(paths): |
| 355 | key = path[0] |
| 356 | rest = path[1:] |
| 357 | while True: |
| 358 | result[key].append(i) |
| 359 | |
| 360 | if not rest: |
| 361 | break |
| 362 | |
| 363 | key = '.'.join((key, rest[0])) |
| 364 | rest = rest[1:] |
| 365 | |
| 366 | return result |
| 367 | |
| 368 | @property |
| 369 | def metadata(self): |