| 372 | |
| 373 | @attrs(repr=False, slots=True, hash=True) |
| 374 | class _DeepIterable(object): |
| 375 | member_validator = attrib(validator=is_callable()) |
| 376 | iterable_validator = attrib( |
| 377 | default=None, validator=optional(is_callable()) |
| 378 | ) |
| 379 | |
| 380 | def __call__(self, inst, attr, value): |
| 381 | """ |
| 382 | We use a callable class to be able to change the ``__repr__``. |
| 383 | """ |
| 384 | if self.iterable_validator is not None: |
| 385 | self.iterable_validator(inst, attr, value) |
| 386 | |
| 387 | for member in value: |
| 388 | self.member_validator(inst, attr, member) |
| 389 | |
| 390 | def __repr__(self): |
| 391 | iterable_identifier = ( |
| 392 | "" |
| 393 | if self.iterable_validator is None |
| 394 | else " {iterable!r}".format(iterable=self.iterable_validator) |
| 395 | ) |
| 396 | return ( |
| 397 | "<deep_iterable validator for{iterable_identifier}" |
| 398 | " iterables of {member!r}>" |
| 399 | ).format( |
| 400 | iterable_identifier=iterable_identifier, |
| 401 | member=self.member_validator, |
| 402 | ) |
| 403 | |
| 404 | |
| 405 | def deep_iterable(member_validator, iterable_validator=None): |
no test coverage detected