35 lines
619 B
Python
35 lines
619 B
Python
class Descriptor:
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def __get__(self, obj, cls):
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print('get')
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print(type(obj) is Main)
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print(cls is Main)
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return 'result'
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def __set__(self, obj, val):
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print('set')
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print(type(obj) is Main)
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print(val)
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def __delete__(self, obj):
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print('delete')
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print(type(obj) is Main)
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class Main:
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Forward = Descriptor()
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m = Main()
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try:
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m.__class__
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except AttributeError:
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print("SKIP")
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raise SystemExit
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r = m.Forward
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if 'Descriptor' in repr(r.__class__):
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print('SKIP')
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raise SystemExit
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print(r)
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m.Forward = 'a'
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del m.Forward
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