[Python-Dev] datetime module and pytz with dateutil

[Andrew Svetlov]

I filed the http://bugs.python.org/issue14448 BTW.

On Fri, Mar 30, 2012 at 3:47 PM, R. David Murray <rdmurray at bitdance.com> wrote:
> On Fri, 30 Mar 2012 13:38:13 +0300, Serhiy Storchaka <storchaka at gmail.com> wrote:
>> 28.03.12 23:20, Andrew Svetlov написав(ла):
>> > I figured out what pytz and dateutil are not mentioned in python docs
>> > for datetime module.
>> > It's clean why these libs is not a part of Python Libraries — but
>> > that's not clean for Docs.
>>
>> I don't understand why Python may not include the pytz. The Olson tz
>> database is not part of pytz. Python can depend on a system tz database,
>> as it depends on libssl or libbz2, which also can be updated (for
>> security reasons) independently.
>
> There is an extensive discussion of this somewhere in the archives of
> this list.  If I remember correctly, it boils down to the fact that pytz
> does bundle the database, and that Windows either does not have or does
> not regularly update its own Olson database.  Rather than ship something
> out-of-date, we choose to put the onus on the user to ensure that the
> appropriate code+db exists on their system.
>
> Hopefully someone will correct me if I'm wrong, and/or find a pointer
> to the relevant thread.
>
> --David
>
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-- 
Thanks,
Andrew Svetlov