#26023: Importing GenericForeignKey on Django 1.9
-------------------------------------+-------------------------------------
Reporter: Chris7 | Owner: nobody
Type: Bug | Status: new
Component: | Version: 1.9
contrib.contenttypes |
Severity: Normal | Resolution:
Keywords: generic foreign | Triage Stage:
keys | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Description changed by Chris7:
Old description:
> It appears it is not possible to import GenericForeignKey from outside a
> live Django project in 1.9. To reproduce this error:
>
> {{{
> from django.conf import settings
> settings.configure()
> from django.contrib.contenttypes.fields import GenericForeignKey
> }}}
>
> Produces:
>
> {{{
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
> packages/django/contrib/contenttypes/fields.py", line 5, in <module>
> from django.contrib.contenttypes.models import ContentType
> File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
> packages/django/contrib/contenttypes/models.py", line 159, in <module>
> class ContentType(models.Model):
> File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
> packages/django/db/models/base.py", line 94, in __new__
> app_config = apps.get_containing_app_config(module)
> File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
> packages/django/apps/registry.py", line 239, in get_containing_app_config
> self.check_apps_ready()
> File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
> packages/django/apps/registry.py", line 124, in check_apps_ready
> raise AppRegistryNotReady("Apps aren't loaded yet.")
> django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet.
> }}}
>
> My guess is contenttypes is attempting to build the list of models, but
> failing because there is no app to initialize.
New description:
It appears it is not possible to import GenericForeignKey from outside a
live Django project in 1.9. To reproduce this error:
{{{
from django.conf import settings
settings.configure()
from django.contrib.contenttypes.fields import GenericForeignKey
}}}
Produces:
{{{
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
packages/django/contrib/contenttypes/fields.py", line 5, in <module>
from django.contrib.contenttypes.models import ContentType
File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
packages/django/contrib/contenttypes/models.py", line 159, in <module>
class ContentType(models.Model):
File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
packages/django/db/models/base.py", line 94, in __new__
app_config = apps.get_containing_app_config(module)
File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
packages/django/apps/registry.py", line 239, in get_containing_app_config
self.check_apps_ready()
File "/home/chris/.virtualenvs/wooey/local/lib/python2.7/site-
packages/django/apps/registry.py", line 124, in check_apps_ready
raise AppRegistryNotReady("Apps aren't loaded yet.")
django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet.
}}}
This seems to be occurring because ModelBase is attempting to get the app
config, but the configuration step has not occurred.
--
--
Ticket URL: <https://code.djangoproject.com/ticket/26023#comment:2>
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