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Dlaczego ustawienie deskryptora w klasie zastępuje deskryptor?
Proste repro: class VocalDescriptor(object): def __get__(self, obj, objtype): print('__get__, obj={}, objtype={}'.format(obj, objtype)) def __set__(self, obj, val): print('__set__') class B(object): v = VocalDescriptor() B.v # prints "__get__, obj=None, objtype=<class '__main__.B'>" B.v = 3 # does not print "__set__", evidently does not trigger descriptor B.v # does not print anything, we overwrote …