Make validation notes picklable.#408
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Tinche merged 1 commit intopython-attrs:mainfrom Aug 5, 2023
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Certain test runners pickle the exceptions raised to accumulate them from multiple processes. For exceptions with `AttributeValidationNote` and/or `IterableValidationNote` attached, because we have overridden `__new__` on these classes, pickle cannot correctly unpickle them with the required arguments. For this use case, exceptions being picklable is necessary to accumulate errors with the `multiprocessing` setup. This implements `__getnewargs__` to fix this problem. Certain test runners that pickle the exceptions raised to accumulate them from multiple processes. For exceptions with `AttributeValidationNote` and/or `IterableValidationNote`, because we have overriden __new__ on these classes, pickle is not able to correctly unpickle them with the required arguments. This implements __getnewargs__ to fix this problem. Signed-off-by: Zixuan James Li <p359101898@gmail.com>
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Certain test runners (in my case, Django's
RemoteTestRunner) pickle the exceptions raised to accumulate them from multiple processes.For exceptions with
AttributeValidationNoteand/orIterableValidationNoteattached, because we have overridden__new__on these classes, pickle cannot correctly unpickle them with the required arguments. For this use case, exceptions being pickable is necessary to accumulate errors with themultiprocessingsetup.This implements
__getnewargs__to fix this problem.