Hello,
I recently upgraded one of my machines to Django 1.4 to patch a bug related
to the use of PostGIS 9.1. I read the documentation on the new support for
time zones and added USE_TZ=True to my settings.py file. Nonetheless, when
I attempt to load data into my PostGIS database in one of the following
ways, I receive a ValueError: Django does not support timezone-aware times.
The full traceback is posted at the end.
In the clean() method of my model:
self.datetime = datetime.datetime.combine(self.date,
self.time).replace(tzinfo=UTC())
Or in the handle() method of a Command instance:
data_dict['datetime'] = datetime.datetime.combine(data_dict['date'],
data_dict['time']).replace(tzinfo=UTC())
Traceback (most recent call last):
File "manage.py", line 11, in <module>
execute_manager(settings)
File
"/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py",
line 458, in execute_manager
utility.execute()
File
"/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py",
line 381, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File
"/usr/local/lib/python2.7/dist-packages/django/core/management/base.py",
line 219, in run_from_argv
self.execute(*args, **options.__dict__)
File
"/usr/local/lib/python2.7/dist-packages/django/core/management/base.py",
line 256, in execute
output = self.handle(*args, **options)
File
"/usr/local/dev/gass/../gass/bering/management/commands/load_station_data.py",
line 108, in handle
data_obj.save() # Save the record to the database only if it doesn't
already exist
File "/usr/local/lib/python2.7/dist-packages/django/db/models/base.py",
line 483, in save
force_update=force_update, update_fields=update_fields)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/base.py",
line 578, in save_base
result = manager._insert([self], fields=fields, return_id=update_pk,
using=using, raw=raw)
File
"/usr/local/lib/python2.7/dist-packages/django/db/models/manager.py", line
203, in _insert
return insert_query(self.model, objs, fields, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py",
line 1581, in insert_query
return query.get_compiler(using=using).execute_sql(return_id)
File
"/usr/local/lib/python2.7/dist-packages/django/db/models/sql/compiler.py",
line 906, in execute_sql
for sql, params in self.as_sql():
File
"/usr/local/lib/python2.7/dist-packages/django/db/models/sql/compiler.py",
line 869, in as_sql
for obj in self.query.objs
File
"/usr/local/lib/python2.7/dist-packages/django/db/models/fields/__init__.py",
line 296, in get_db_prep_save
prepared=False)
File
"/usr/local/lib/python2.7/dist-packages/django/db/models/fields/__init__.py",
line 1258, in get_db_prep_value
return connection.ops.value_to_db_time(value)
File
"/usr/local/lib/python2.7/dist-packages/django/db/backends/__init__.py",
line 809, in value_to_db_time
raise ValueError("Django does not support timezone-aware times.")
ValueError: Django does not support timezone-aware times.
Any advice is appreciated. Thanks!
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