On Mon, Dec 26, 2016 at 8:51 AM, Victor Stinner <victor.stin...@gmail.com> wrote: > Le 24 déc. 2016 8:42 PM, "Neil Girdhar" <mistersh...@gmail.com> a écrit : >> Usually, when an exception is hit that will (probably) crash the program, >> no one cares about less than a microsecond of performance. > > Just one example. By design, hasattr(obj, name) raises an exception to > return False. > > So it has the cost of building the exception + raise exc + catch it.
Printing an exception to the console can afford to be expensive, though. So if the work can be pushed into __str__, it won't hurt anything that try/excepts around it. ChrisA _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
