+1. I would suggest `fromtimestamp` also accept an optional timezone argument.
On Sun, 2022-06-19 at 11:47 -0700, Lucas Wiman wrote: > Since "today" depends on the time zone, it should be an optional > argument to date.today(). The interface should be the same as > datetime.now(tz=None), with date.today() returning the date in the > system time zone. > > Rationale: It is common for processes to run in different timezones > than the relevant end user. The most common case is probably a server > running in UTC, which needs to do date calculations in timezones > elsewhere. As a contrived example, you might do something like: > > tomorrow =date.today() + timedelta(days=1) > return render_template(..., ship_by_date=tomorrow) > > But then if fulfillment is operating e.g. in US/Pacific time, the > ship by date suddenly shows two days hence after 5 or 6pm when UTC > midnight happens. > > In my particular use case, we get some collection of business rules > about when a particular record is considered "stale" or prioritized, > and naively using date.today() can lead to off-by-one errors. > > The way to "fix" the code above is to reference "now": > > tomorrow =datetime.now(tz=...).date() + timedelta(days=1) > return render_template(..., ship_by_date=tomorrow) > > While this is not terrible, it seems like the API between now() and > today() should be consistent: in reality, they need the same set of > inputs. Calling date.today(...) is more explicit and specific than > calling datetime.now(...).date(). > > Best wishes, > Lucas > > _______________________________________________ > Python-ideas mailing list -- python-ideas@python.org > To unsubscribe send an email to python-ideas-le...@python.org > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/python-ideas@python.org/message/OJI3GBPNNGVZL22EAD723TYIFNF6OWAH/ > Code of Conduct: http://python.org/psf/codeofconduct/
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