[Zope3-dev] pytz daylight savings bug?

Bernd Dorn zope-mailinglist at mopa.at
Fri May 5 01:48:32 EDT 2006


i added this to the collector

http://www.zope.org/Collectors/Zope3-dev/600

On 30.04.2006, at 15:56, Bernd Dorn wrote:

> Hello
>
> I don't know if should put this on the zope3 tracker or somewhere  
> else so i post it to the list too.
>
> in pytz the daylight savings are not correctly returned by the dst 
> () methods, i looked into the source code and saw that the passed  
> in datetime is ignored imho this should be used to get the utc  
> offset at that given datetime. the same applies to utcoffset()
>
> example which fails:
>
> import pytz
> from datetime import datetime
> import time
>
> tz = pytz.timezone('Europe/Vienna')
> dt = datetime(2006,5,30,12,tzinfo=tz)
> dt2 = datetime(2006,1,30,12,tzinfo=tz)
>
> assert(dt.dst()!=dt2.dst())
>
>
>
>
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