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Author serhiy.storchaka
Recipients cvrebert, docs@python, eric.snow, jcea, loewis, meador.inge, pitrou, rhettinger, serhiy.storchaka
Date 2012-07-29.16:57:21
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> sys.getsizeof is certainly CPython-specific. However, __sizeof__ is not
> just an implementation detail of sys.getsizeof, just as __len__ is not an
> implementation detail of len(). Authors of extension types are supposed to
> implement it if object.__sizeof__ is incorrect.

I think there is one difference between __len__ and __sizeof__. __sizeof__ 
should be overloaded only for C-implemented classes. IMHO, it is a part of C 
Date User Action Args
2012-07-29 16:57:21serhiy.storchakasetrecipients: + serhiy.storchaka, loewis, rhettinger, jcea, pitrou, cvrebert, meador.inge, docs@python, eric.snow
2012-07-29 16:57:21serhiy.storchakalinkissue15436 messages
2012-07-29 16:57:21serhiy.storchakacreate