[Python-Dev] dateutil (original) (raw)
Christian Tanzer tanzer at swing.co.at
Mon Mar 15 12:28:00 EST 2004
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> Why don't you use "d + relativedelta(day=-1)" instead? > > Just as easy to use, better error detection, and a big precedent.
Supporting this might be cool indeed. OTOH, it doesn't replace the current behavior. How do you get (day=30)?
I don't follow. The semantics would be similar to list indexing.
day=30 asks for the 30-est day of the month and raises an ValueError
if there isn't any. day=-1 asks for the last day of the month (and
should never raise an error ).
The allowed argument range for day would be between 1 and n with
n the number of days in the month for positive values and between -1
and -n for negative values.
-- Christian Tanzer http://www.c-tanzer.at/
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