Fixed frozen and cache_hash incompatibility #612
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hynek
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Jan 8, 2020
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pganssle
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Jan 8, 2020
This is a failing test for GH issue python-attrs#611, with the xfail decorator to be removed when the issue is fixed.
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Fixes GH issue python-attrs#611: serialization of a class with frozen=True and cache_hash=True will now succeed rather than raising a FrozenInstanceError.
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Oops, thanks to the coverage result I realized that the test was copying the class, not an instance of the class. This is what I get for skipping my usual semi-TDD style of putting the test under an Feel free to squash the commits if you don't like that style - I mainly do it to give an easy(-enough)-to-verify way to show that the test is probably testing what we expect. |
hynek
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Jan 13, 2020
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Thanks, Paul! |
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This uses the same mechanism to clear the cache hash as
__hash__uses to set the cache hash in frozen classes - bypassing the object's__setattr__in favor ofobject.__setattr__. Neat trick.Fixes #611.
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