GenericRepository: fix unpickling of objects #455
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This allows them to be passed across process boundaries when using `concurrent.futures.ProcessPoolExecutor`. Without this, a `RecursionError` occurs. The issue stems from `GenericRepository.__getattr__` calling `getattr(self.path, ...)`. `GenericRepository.path` is a property, so it is found, but it then calls `self._artifactory.joinpath(...)` and `self._artifactory` is not yet present on the partially-restored `GenericRepository`, resulting in a call to `GenericRepository.__getattr__`, etc. This fix ensures that `self._artifactory` will be restored to the object early enough in unpickling to avoid the issue.
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TY! 🫶 |
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@allburov Thank you for the speedy review and merge! Would it be possible to cut a new release including this fix? |
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Actually, scratch that: it seems that we don't retain |
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I believe #456 will address that issue. |
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This allows them to be passed across process boundaries when using
concurrent.futures.ProcessPoolExecutor. Without this, aRecursionErroroccurs.The issue stems from
GenericRepository.__getattr__callinggetattr(self.path, ...).GenericRepository.pathis a property, so it is found, but it then callsself._artifactory.joinpath(...)andself._artifactoryis not yet present on the partially-restoredGenericRepository, resulting in a call toGenericRepository.__getattr__, etc.This fix ensures that
self._artifactorywill be restored to the object early enough in unpickling to avoid the issue.