On Thu, Dec 5, 2013 at 6:31 PM, Ethan Furman <et...@stoneleaf.us> wrote: >> On Thu, Dec 05, 2013 at 01:33:00PM -0800, Guido van Rossum wrote: >>> Actually if you want to support multiple inheritance of your ABC, your >>> abstract methods *must* be no-ops (or have some kind of default >>> behavior that can always be done last).
> Done last or first really depends on what the default behavior is, doesn't > it? Using __new__ as an example, the chain of calls for that has the most > ancestorish (yeah, I just made that word up ;) method doing the work first, > with each less-ancestorish method building on to that as the call chain > unwinds. If you count which call *starts* first, the base class is always called later than the subclass (even if it finishes earlier :-). -- --Guido van Rossum (python.org/~guido) _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
