On Mon, 16 Jul 2012 11:13:33 -0700, Ethan Furman wrote: > Steven D'Aprano wrote: >> On Sun, 15 Jul 2012 10:19:16 -0600, Ian Kelly wrote: >>> On Sun, Jul 15, 2012 at 4:56 AM, Steven D'Aprano wrote: >>>> (For the record, I can only think of one trap for the unwary: time >>>> objects are false at *exactly* midnight.) > >> >>> Ugh, that's irritating. I can't think of any scenario where I would >>> ever want the semantics "if timeval (is not midnight):". >> >> Yes, it is a genuine gotcha. Time values are numbers, and zero is >> falsey, so midnight is falsey even though it shouldn't be. >> >> There's no good solution here, since we have a conflict between >> treating time values as time values ("midnight is nothing special") and >> as numbers ("midnight == 0 which is falsey"). > > --> import datetime > --> mn = datetime.time(0) > --> mn > datetime.time(0, 0) > --> mn == 0 > False > > Apparently, midnight does not equal zero.
My mistake. -- Steven -- http://mail.python.org/mailman/listinfo/python-list