I think the correct syntax is:
cls._meta.add_virtual_field(self)
The problem is that if I use this syntax it seems that the admin ignores
these fields, what happens is that the changes I make to the virtual fields
are ignored.
These are the test results related to the VirtualField implementation:
Creating test database for alias 'default'...
.FFF..E.......E.F.....F......
======================================================================
ERROR: test_create (django_hstore_tests.tests.SchemaTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/www/django-hstore/tests/django_hstore_tests/tests.py", line
1427, in test_create
text='create3'
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/models/manager.py",
line 92, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/models/query.py",
line 370, in create
obj = self.model(**kwargs)
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/models/base.py",
line 452, in __init__
raise TypeError("'%s' is an invalid keyword argument for this function"
% list(kwargs)[0])
TypeError: 'boolean_true' is an invalid keyword argument for this function
======================================================================
ERROR: test_migrations (django_hstore_tests.tests.SchemaTests)
failing test for https://github.com/djangonauts/django-hstore/issues/103
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/www/django-hstore/tests/django_hstore_tests/tests.py", line
1565, in test_migrations
call_command('migrate', 'django_hstore_tests')
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/core/management/__init__.py",
line 115, in call_command
return klass.execute(*args, **defaults)
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/core/management/base.py",
line 338, in execute
output = self.handle(*args, **options)
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/core/management/commands/migrate.py",
line 161, in handle
executor.migrate(targets, plan, fake=options.get("fake", False))
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/migrations/executor.py",
line 68, in migrate
self.apply_migration(migration, fake=fake)
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/migrations/executor.py",
line 102, in apply_migration
migration.apply(project_state, schema_editor)
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/migrations/migration.py",
line 108, in apply
operation.database_forwards(self.app_label, schema_editor,
project_state, new_state)
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/migrations/operations/fields.py",
line 127, in database_forwards
from_field = from_model._meta.get_field_by_name(self.name)[0]
File
"/home/nemesis/.virtualenvs/django-hstore/local/lib/python2.7/site-packages/django/db/models/options.py",
line 420, in get_field_by_name
% (self.object_name, name))
FieldDoesNotExist: SchemaDataBag has no field named u'datetime'
======================================================================
FAIL: test_admin_add (django_hstore_tests.tests.SchemaTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/www/django-hstore/tests/django_hstore_tests/tests.py", line
1305, in test_admin_add
self.assertEqual(d.number, 3)
AssertionError: 0 != 3
======================================================================
FAIL: test_admin_add_utf8 (django_hstore_tests.tests.SchemaTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/www/django-hstore/tests/django_hstore_tests/tests.py", line
1317, in test_admin_add_utf8
self.assertEqual(d.number, 3)
AssertionError: 0 != 3
======================================================================
FAIL: test_admin_change (django_hstore_tests.tests.SchemaTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/www/django-hstore/tests/django_hstore_tests/tests.py", line
1334, in test_admin_change
self.assertEqual(d.number, 6)
AssertionError: 1 != 6
======================================================================
FAIL: test_reload_schema (django_hstore_tests.tests.SchemaTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/www/django-hstore/tests/django_hstore_tests/tests.py", line
1472, in test_reload_schema
self.assertEqual(len(SchemaDataBag._meta.fields), len(original_schema)
+ concrete_fields_length)
AssertionError: 3 != 17
======================================================================
FAIL: test_schemadatabag_validation_error
(django_hstore_tests.tests.SchemaTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/www/django-hstore/tests/django_hstore_tests/tests.py", line
1277, in test_schemadatabag_validation_error
d.full_clean()
AssertionError: ValidationError not raised
----------------------------------------------------------------------
Ran 29 tests in 1.749s
FAILED (failures=5, errors=2)
Federico
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