Daniel O'Connor <dar...@dons.net.au> added the comment:

On 16/08/2011, at 1:06, R. David Murray wrote:
> R. David Murray <rdmur...@bitdance.com> added the comment:
> 
> Ah.  Well, pre-3.2 datetime itself did not generate *any* non-naive datetimes.
> 
> Nor do you need to specify everything for replace.  dt.replace(tzinfo=tz) 
> should work just fine.

OK.

I did try this and it seems broken though..
In [19]: now = datetime.datetime.utcnow()

In [21]: now.replace(tzinfo = pytz.utc)
Out[21]: datetime.datetime(2011, 8, 15, 22, 54, 13, 173110, tzinfo=<UTC>)

In [22]: datetime.datetime.strftime(now, "%s")
Out[22]: '1313414653'

In [23]: now
Out[23]: datetime.datetime(2011, 8, 15, 22, 54, 13, 173110)

[ur 8:22] ~ >date -ujr 1313414653
Mon 15 Aug 2011 13:24:13 UTC

i.e. it appears that replace() applies the TZ offset to a naive datetime object 
effectively assuming it is local time rather than un-timezoned (which is what 
the docs imply to me)

> ----------
> resolution:  -> invalid
> stage:  -> committed/rejected
> status: open -> closed
> 
> _______________________________________
> Python tracker <rep...@bugs.python.org>
> <http://bugs.python.org/issue12750>
> _______________________________________
>

----------

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue12750>
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