#10443: Updating Timezone Aware DateTimeField Fails
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Reporter: simonb | Owner: nobody
Status: new | Milestone:
Component: Database layer (models, ORM) | Version: SVN
Resolution: | Keywords:
Stage: Accepted | Has_patch: 1
Needs_docs: 0 | Needs_tests: 1
Needs_better_patch: 1 |
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Comment (by simonb):
Yes. It really does only happen with updates. I'll attach an example
project which demonstrates the issue. The traceback is shown below.
The example uses pytz http://pytz.sourceforge.net/ which greatly takes the
tedium out of tz aware applications.
Traceback (most recent call last):
File "test.py", line 12, in <module>
sctz.save()
File "/Users/simonb/src/dj/bugs/savebug/bug/models.py", line 33, in save
super(SomeClassTZ, self).save(force_insert=force_insert,
force_update=force_update)
File "/Users/simonb/src/dj/versions/trunk/django/db/models/base.py",
line 329, in save
self.save_base(force_insert=force_insert, force_update=force_update)
File "/Users/simonb/src/dj/versions/trunk/django/db/models/base.py",
line 380, in save_base
rows = manager.filter(pk=pk_val)._update(values)
File "/Users/simonb/src/dj/versions/trunk/django/db/models/query.py",
line 466, in _update
query.add_update_fields(values)
File
"/Users/simonb/src/dj/versions/trunk/django/db/models/sql/subqueries.py",
line 245, in add_update_fields
val = field.get_db_prep_save(val)
File
"/Users/simonb/src/dj/versions/trunk/django/db/models/fields/__init__.py",
line 192, in get_db_prep_save
return self.get_db_prep_value(value)
File
"/Users/simonb/src/dj/versions/trunk/django/db/models/fields/__init__.py",
line 562, in get_db_prep_value
return connection.ops.value_to_db_datetime(self.to_python(value))
File
"/Users/simonb/src/dj/versions/trunk/django/db/models/fields/__init__.py",
line 540, in to_python
_('Enter a valid date/time in YYYY-MM-DD HH:MM[:ss[.uuuuuu]]
format.'))
django.core.exceptions.ValidationError: Enter a valid date/time in YYYY-
MM-DD HH:MM[:ss[.uuuuuu]] format.
--
Ticket URL: <http://code.djangoproject.com/ticket/10443#comment:3>
Django <http://code.djangoproject.com/>
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