Nick, On 2012-06-07, at 2:56 AM, Nick Coghlan wrote: > On Thu, Jun 7, 2012 at 11:16 AM, Yury Selivanov <yselivanov...@gmail.com> > wrote: >> On 2012-06-06, at 9:00 PM, Nick Coghlan wrote: >> So, the idea for the 'signature(obj)' function is to first check if >> 'obj' has '__signature__' attribute set, if yes - return it, if no - >> create a new one (but don't cache). > > I'd say return a copy in the first case to be safe against accidental > modification. If someone actually wants in-place modification, they > can access __signature__ directly.
OK. And I'll implement __copy__ and __deepcopy__ for Signatures. > Bonus: without implicit signature copying in functools, you can stick > with the plan of exposing everything via the inspect module. Exactly! > We should still look into making whatever tweaks are needed to let > inspect.signature correctly handle functools.partial objects, though. Seems doable. 'partial' exposes 'func', 'args' and 'keywords' attributes, so we have all the information we need. Thank you, - Yury _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
