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gh-115775: Compiler adds __static_attributes__ field to classes (#115913)

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Irit Katriel 2024-03-26 15:18:17 +00:00 • committed by GitHub
parent 70969d53a7
commit 79be75735c
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13 changed files with 136 additions and 11 deletions
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8
Lib/test/test_metaclass.py
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@ -167,6 +167,7 @@ Use a __prepare__ method that returns an instrumented dict.
d['foo'] = 4
d['foo'] = 42
d['bar'] = 123
d['__static_attributes__'] = ()
>>>
Use a metaclass that doesn't derive from type.
@ -182,12 +183,12 @@ Use a metaclass that doesn't derive from type.
... b = 24
...
meta: C ()
ns: [('__module__', 'test.test_metaclass'), ('__qualname__', 'C'), ('a', 42), ('b', 24)]
ns: [('__module__', 'test.test_metaclass'), ('__qualname__', 'C'), ('__static_attributes__', ()), ('a', 42), ('b', 24)]
kw: []
>>> type(C) is dict
True
>>> print(sorted(C.items()))
[('__module__', 'test.test_metaclass'), ('__qualname__', 'C'), ('a', 42), ('b', 24)]
[('__module__', 'test.test_metaclass'), ('__qualname__', 'C'), ('__static_attributes__', ()), ('a', 42), ('b', 24)]
>>>
And again, with a __prepare__ attribute.
@ -208,8 +209,9 @@ And again, with a __prepare__ attribute.
d['a'] = 1
d['a'] = 2
d['b'] = 3
d['__static_attributes__'] = ()
meta: C ()
ns: [('__module__', 'test.test_metaclass'), ('__qualname__', 'C'), ('a', 2), ('b', 3)]
ns: [('__module__', 'test.test_metaclass'), ('__qualname__', 'C'), ('__static_attributes__', ()), ('a', 2), ('b', 3)]
kw: [('other', 'booh')]
>>>