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[Python-Dev] Proposing an alternative to PEP 410

Victor Stinnervictor.stinner at haypocalc.com
Sun Feb 26 15:05:18 CET 2012


> Scratch that, *I* don't agree. timedelta is a pretty clumsy type to> use. Have you ever tried to compute the number of seconds between two> datetimes? You can't just use the .seconds field, you have to combine> the .days and .seconds fields. And negative timedeltas are even harder> due to the requirement that seconds and microseconds are never> negative; e.g -1 second is represented as -1 days plus 86399 seconds.Guido, you should switch to Python3! timedelta has a newtotal_seconds() method since Python 3.2.http://docs.python.org/py3k/library/datetime.html#datetime.timedelta.total_seconds>>> datetime.timedelta(1).total_seconds()86400.0>>> datetime.timedelta(seconds=-1).total_seconds()-1.0Victor


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