Andy Maier added the comment: I have reviewed the descriptions of the built-in functions in Python 3.4, and found only the following issues w.r.t. missing __special__functions: 1. getattr(), setattr(), delattr(): They only refer to object attributes and miss to mention the fallback to object.__getattr__(), etc. Because hasattr() calls getattr() to test for the presence, the __getattr__() is relevant for hasattr() as well. 2. len() misses to describe that it uses s.__len__(). 3. sorted() misses to describe how rich comparison methods can be used. I think we can integrate the changes to list.sort() proposed in issue14050. 4. str() delegates the description to stdtypes.html#str, which in turn does describe obj.__str__(). Not sure we need to do something for str(). I did not check 2.7 yet. Andy ---------- nosy: +andymaier versions: +Python 3.4, Python 3.5 -Python 3.1, Python 3.2 _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue10289> _______________________________________