class Test(models.Model):
datum = models.DateTimeField()
text = models.CharField(max_length=255)
class TestForm(ModelForm):
class Meta:
model = Test
Rendering the form with form =
TestForm(initial={'datum':datetime.datetime(2012, 8, 21, 18, 0,
tzinfo=<UTC>)) looks all good. Django translates UTC to my local timezone
so everything is displayed correctly.
Now here is my problem: wenn I try to validate the form with nothing
changed using: form = TestForm(request.POST,
initial={'datum':datetime.datetime(2012, 8, 21, 18, 0, tzinfo=<UTC>), }) it
failes because django treats the datum as changed.
By analysing the form I found the following:
is_bound': True, 'cleaned_data': {'datum': datetime.datetime(2012, 8, 21, 20,
0, tzinfo=<DstTzInfo 'Europe/Berlin' CEST+2:00:00 DST>), 'text': u'',},
'_changed_data': ['datum'], '_validate_unique': True,
'initial': {'datum': datetime.datetime(2012, 8, 21, 18, 0, tzinfo=<UTC>)}
So django trys to add a new object to the database because the form validates
True. But it is treated as bound with the only field changed is 'datum'. This
failes of course because text is empty. If I use
initial with the CharField set this does not happen and django treats the form
as empty and so does nothing. So is there a bug comparing these two date
objects, one with tzinfo='Europe/Berlin' and one with
tzinfo=<UTC>? Or do I miss something anywhere?
I have USE_TZ=True and also have pytz installed.
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