[Zope-dev] Re: SVN: Zope/trunk/lib/python/DateTime/tests/testDateTime.py Fix test. According to http://en.wikipedia.org/wiki/ISO_8601

[Laurence Rowe]

Andreas Jung wrote:
> 
> 
> --On 27. Oktober 2007 18:01:25 -0400 Tres Seaver <tseaver at palladion.com> 
> wrote:
> 
> 
>>   >>> DateTime('2006-01-01')._tz
>>   'US/Eastern'
> 
> Yeah, that's completely odd.

But standards compliant. The previous behaviour was contrary to the 
specification. According to http://en.wikipedia.org/wiki/ISO_8601

"If no time zone information is given with a time, the time zone is 
assumed to be in some conventional local time zone."

> 
>>
>> I strongly disagreed with the argument for that change
>> (http://www.zope.org/Collectors/Zope/2109), because it broke the
>> semantics of the class, based on long-established use in Zope:  datetime
>> strings which used ISO notation, but provided no explicit timezone, were
>> assigned 'GMT+0' as the timezone.
> 
> Totally agreed.

However if we must preserve this bug for backwards compatibility then we 
must. (This bugfix would not change the interpretation of existing pickles).

> 
>> (http://www.zope.org/Collectors/Zope/2109),
> 
> Is this right issue? The URL redirection to LP points me to this:
> 
> <https://bugs.launchpad.net/zope2/+bug/143701>
> 
>>
>> The trunk should be reverted to preserve the old behavior, which may be
>> relied on by third-party applications.
> 
> Jup, either revert the change or fix it.
> 
> Andreas

'Fixed' in r81213.

Laurence