Marc-Andre Lemburg <m...@egenix.com> added the comment:

Antoine Pitrou wrote:
> 
> Antoine Pitrou <pit...@free.fr> added the comment:
> 
> Some comments:
> - since there is already a weekday() method, the new method should be
> called yearday() rather than yday()
> - ditto for fromyday(): fromyearday() would be better
> - Modules/datetimemodule.c should only be indented with tabs, but your
> patch indents it with spaces in some places
> - the algorithm in date_fromyday() looks suboptimal: if you repeatedly
> call days_in_month(), you shouldn't have to call days_before_month() at
> the end, you can compute it by yourself
> 
> I haven't tested the patch yet.
> 
> Marc-André, do you have any take on the principle of this?

mxDateTime uses attributes for such things, ie. .day_of_week,
.day_of_year, .days_in_month. No idea, why the datetime module
chose to implement access to this static information as method.

I've never had a request for a way to construct a date by
giving the year and day of the year - probably because it's
just too easy to do by hand:

217
>>> Date(2009, 1, 1) + (217 - 1)
<mx.DateTime.DateTime object for '2009-08-05 00:00:00.00' at 2b5320c262f0>

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<http://bugs.python.org/issue1436346>
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