Dennis Allison escreveu:

Zope 2.7.6
Python 2.4.1 (and yes, I know I am jumping the gun a bit)

The problem appears to be in the parse component --
Consider a test script:

for y in range(1995,2005):
   for d in (1, 3, 13, 25,):
       for m in (1,4,5,6,):
            dd = '%d-%02d-%02d' % (y,m,d,)
            ee  = '%d/%d/%d' % (m, d, y)
            D  = DateTime(dd)
            E  = DateTime(ee)
            print dd, D.strftime('%Y-%m-%d')
            print ee, E.strftime('%Y-%m-%d')
return printed

In all cases, each of the dates shoudl be the same.  As can be seen,
for dates sourced from a string of the form


the resulatant date is off by one day


The problem is not seen with Zope 2.6.4 running with Python 2.3.5.

A quick diff shows tht there are many changes between 2.6 and 2.7.
Anyone else seen this problem?

Partial Results:

1995-04-25 1995-04-24
4/25/1995 1995-04-25

1995-05-25 1995-05-24
5/25/1995 1995-05-25

1995-06-25 1995-06-24
6/25/1995 1995-06-25

Yes it happes to me also every time I use strftime, so I stopped using it.
Someone posted a patch to fix this in this list not a long ago.
I think this is a problem of interpretation on how the default behavior should be as these dates do not have any Timezone information.

But I would prefer zope to work the same as python itself, that works as expected.

Luiz Fernando B. Ribeiro

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