8000 gh-75367: fix data descriptor detection in inspect.getattr_static by furkanonder · Pull Request #104517 · python/cpython · GitHub
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gh-75367: fix data descriptor detection in inspect.getattr_static #104517

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Merged
merged 6 commits into from
May 16, 2023
Merged

gh-75367: fix data descriptor detection in inspect.getattr_static #104517

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67912be
fix data descriptor detection in inspect.getattr_static
furkanonder May 15, 2023
de2a892
Update Lib/test/test_inspect.py
furkanonder May 16, 2023
f758dcd
Merge branch 'main' into gh-75367
furkanonder May 16, 2023
ccb7fe7
📜🤖 Added by blurb_it.
blurb-it[bot] May 16, 2023
de48adc
Merge branch 'main' into gh-75367
furkanonder May 16, 2023
4df0469
Fix sphinx role
AlexWaygood May 16, 2023
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fix data descriptor detection in inspect.getattr_static
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@furkanonder
furkanonder committed May 15, 2023
commit 67912be4f611e8c4ec11c5ea4c050594f1f68072
6 changes: 4 additions & 2 deletions Lib/inspect.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1835,8 +1835,10 @@ def getattr_static(obj, attr, default=_sentinel):
klass_result = _check_class(klass, attr)

if instance_result is not _sentinel and klass_result is not _sentinel:
if (_check_class(type(klass_result), '__get__') is not _sentinel and
_check_class(type(klass_result), '__set__') is not _sentinel):
if _check_class(type(klass_result), "__get__") is not _sentinel and (
_check_class(type(klass_result), "__set__") is not _sentinel
or _check_class(type(klass_result), "__delete__") is not _sentinel
):
return klass_result

if instance_result is not _sentinel:
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14 changes: 14 additions & 0 deletions Lib/test/test_inspect.py
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Expand Up @@ -2052,6 +2052,20 @@ class Foo(object):
descriptor.__set__ = lambda s, i, v: None
self.assertEqual(inspect.getattr_static(foo, 'd'), Foo.__dict__['d'])

class DescriptorGetDelete:
def __get__(self, instance, klass):
return 'bar'
def __delete__(self, instance, klass):
pass
class Bar:
get_delete = DescriptorGetDelete()
def __init__(self):
self.__dict__['get_delete'] = 42

bar = Bar()
self.assertNotEqual(inspect.getattr_static(bar, 'get_delete'), 42)
self.assertIsInstance(inspect.getattr_static(bar, 'get_delete'), DescriptorGetDelete)


def test_metaclass_with_descriptor(self):
class descriptor(object):
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0