[omaha] dateutils library

[Hubert Hickman]

I second dateutil.  It is incredibly handy when you need to do complicated
date things.

Hubert Hickman


On Fri, Dec 7, 2012 at 1:51 PM, Mike Hostetler <mike at squarepegsystems.com>wrote:

> I was struggling with some date arithmetic -- I need to take a given date
> and return back the beginning and ending date of the quarter that given
> date is in. Sounds fun, right? Yeah, I didn't think so either.
>
> Someone pointed me to the dateutils library and, after getting my brain
> around it, it turned out to be fairly straightforward.
>
>
> from dateutil import rrule,relativedelta
>
>    year = this_date.year
>    quarters = rrule.rrule(rrule.MONTHLY,
>                       bymonth=(1,4,7,10),
>                       bysetpos=-1,
>                       dtstart=datetime.datetime(year,1,1),
>                       count=8)
>
>    first_day = quarters.before(this_date)
>    last_day =
>  (quarters.after(this_date)-relativedelta.relativedelta(days=1)
>
>                 More info on dateutil here:
> http://labix.org/python-dateutil
>
> Anyone else ever use it?
>
>
> --
> Mike Hostetler
> SquarePeg Systems
> http://www.squarepegsystems.com
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