On Thu, Jul 30, 2015 at 12:51 PM, Tim Peters <[email protected]> wrote:
> I _think_ I've divined the intent now: > > - "classic arithmetic": what Python datetime arithmetic currently does > > - "strict arithmetic": aka timeline arithmetic, what Lennart wants > aka "Duration Arithmetic" > - "human arithmetic" aka "calendar operations" aka "Period Arithmetic" > For example, there "should be" a way to spell "an > hour from now" that follows "strict arithmetic" rules when the > datetime is aware. > > Or not ;-) > well, "should" is a loaded word, but it would be very, very useful (to some of us anyway). I deal with scientific datasets, I NEVER want 86400 seconds later to mean 23 or 25 hours later ;-) -Chris -- Christopher Barker, Ph.D. Oceanographer Emergency Response Division NOAA/NOS/OR&R (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception [email protected]
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