[pyar] Calcular ultimo Domingo de este mes

[Facundo Batista]

On Tue, Aug 30, 2011 at 2:50 AM, Juan Carlos Ojeda
<juancarlospaco en gmail.com> wrote:

> me devuelva el ultimo Domingo del corriente mes, como harian ustedes ...?

>>> from dateutil.rrule import rrule, MONTHLY, SU
>>> import datetime
>>> primdiames = datetime.date(2011, 8, 1)
>>> rule = rrule(MONTHLY, byweekday=(SU(-1),), count=1, dtstart=primdiames)
>>> list(rule)[0]
datetime.datetime(2011, 8, 28, 0, 0)

Si querés todos los últimos domingos del año...

>>> diauno = datetime.date(2011, 1, 1)
>>> rule = rrule(MONTHLY, byweekday=(SU(-1),), count=12, dtstart=diauno)
>>> for fecha in rule:
...   print fecha
...
2011-01-30 00:00:00
2011-02-27 00:00:00
<cortado>

Y así.

"rrule" es poderosísimo: http://labix.org/python-dateutil

Slds.

-- 
.    Facundo

Blog: http://www.taniquetil.com.ar/plog/
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