10000 bpo-45897: Fix frozen-slotted dataclass bug by AlexWaygood · Pull Request #29895 · python/cpython · GitHub
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bpo-45897: Fix frozen-slotted dataclass bug #29895

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bpo-45897: Fix frozen-slotted dataclass bug #29895

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9c36be6
bpo-45897: Fix frozen-slotted dataclass bug
AlexWaygood Dec 2, 2021
e968679
Tweak test
AlexWaygood Dec 15, 2021
df2216b
Address review
AlexWaygood Dec 15, 2021
a71575f
Add further clarification
AlexWaygood Dec 15, 2021
eda3c7f
Add more comments
AlexWaygood Dec 16, 2021
9af7074
Update Lib/test/test_dataclasses.py
AlexWaygood Dec 16, 2021
9f8c91c
Update Lib/test/test_dataclasses.py
AlexWaygood Dec 16, 2021
ce675c5
Add comment
AlexWaygood Dec 16, 2021
007a596
Use self.assertRaisesRegex, since Erlend insists ;)
AlexWaygood Dec 16, 2021
bea4c9d
79-character wrap
AlexWaygood Dec 16, 2021
c93c2be
Merge branch 'main' into dataclass-slots
AlexWaygood Apr 25, 2022
34c66f3
Merge remote-tracking branch 'origin' into dataclass-slots
AlexWaygood Apr 25, 2022
a105c6e
Merge branch 'dataclass-slots' of https://github.com/AlexWaygood/cpyt…
AlexWaygood Apr 25, 2022
b7ef7b9
Fix trailing whitespace
AlexWaygood Apr 25, 2022
3d04919
Merge branch 'main' into dataclass-slots
AlexWaygood May 3, 2022
d29551c
Merge branch 'main' into dataclass-slots
AlexWaygood Oct 1, 2022
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Tweak test
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@AlexWaygood
AlexWaygood authored Dec 15, 2021
commit e968679ae4831bdf4841c8b9e701905375dde21f
16 changes: 10 additions & 6 deletions Lib/test/test_dataclasses.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2914,14 +2914,18 @@ class Point:
self.assertEqual(p.y, 2)
with self.assertRaises(FrozenInstanceError):
p.x = 2

try:
p.z = 5
except FrozenInstanceError as exc:
raise TypeError(
'FrozenInstanceError unexpectedly raised instead of AttributeError'
) from exc
except AttributeError:
pass
except Exception as exc:
exc_type = type(exc)
if exc_type is not AttributeError:
raise TypeError(
f'AttributeError was expected; got {exc_type.__name__!r} instead'
) from exc
else:
# Good! The test passes; AttributeError is what we want
pass
else:
self.fail('AttributeError expected, but no error was raised')

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