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Author eryksun
Recipients and, docs@python, eryksun, ezio.melotti, rhettinger, zach.ware
Date 2014-06-02.07:34:12
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The constructor tries __trunc__ (truncate toward 0) if __int__ isn't defined. If __trunc__ doesn't return an instance of int, it calls the intermediate result's __int__ method. In terms of the numbers ABCs, numbers.Real requires __trunc__, which should return a numbers.Integral, which requires __int__. 

The special methods __trunc__, __floor__, and __ceil__ aren't documented in the language reference. They're mentioned briefly in the docs for the math functions trunc, floor, and ceil.
Date User Action Args
2014-06-02 07:34:13eryksunsetrecipients: + eryksun, rhettinger, ezio.melotti, docs@python, zach.ware, and
2014-06-02 07:34:13eryksunsetmessageid: <>
2014-06-02 07:34:12eryksunlinkissue21611 messages
2014-06-02 07:34:12eryksuncreate