Time-date as an integer
Grant Edwards
grante at visi.com
Tue Aug 24 10:44:27 EDT 2004
On 2004-08-24, Charles Hixson <charleshixsn at earthlink.net> wrote:
> This is a concept, not a finished program, and an extract from a class
> at that...so forgive any illegalities, but:
> import datetime;
> def calcNodeId(self):
> t = datetime.utcnow()
> val = t.year * 133920000000 + # 12 months
> t.month * 11160000000 + # 31 days
> t.hour * 3600000000 + # 60 minutes
> t.minute * 60000000 + # 60 seconds
> t.second * 1000000 + t.microsecond
> if val <= self._dTime:
> val = self._dTime + 1
> self._dTime = val
> return val
>
> This is the best that I've been able to come up with in getting a
> date-time as an integer. It feels like one of the time or date
> libraries should have a better solution, but if so, I haven't found it.
> Can anyone suggest a better approach?
Don't forget about months with lengths other than 31.
Don't forget about leap years.
Don't forget that 2000 was a leap year but 1900 and 2100 aren't.
Don't forget about leap-seconds.
Don't forget about calendar discontinuities (which occurred at
different places in different locales).
--
Grant Edwards grante Yow! .. he dominates the
at DECADENT SUBWAY SCENE.
visi.com
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