This is a release blocker for Django 1.7 which is being tracked in
#22485<https://code.djangoproject.com/ticket/22485>
.
Le lundi 28 avril 2014 04:54:32 UTC-4, Ryan a écrit :
>
> I have used django in the past, but not for some time. So the changes
> surrounding the user models are new to me. I downloaded v1.7b2 and
> proceeded to start a new development I am planning. However I came across
> a problem when trying to run migrate after generating the migrations on an
> app that has a model that contains a foreign key to the user model. So I
> created a simple test app to isolate the problem, with a model defined as
> below:
>
> from django.db import models
> from django.conf import settings
>
> class TestModel(models.Model):
> user = models.ForeignKey(settings.AUTH_USER_MODEL)
>
> When I run "makemigrations test_app" the migrations seem to be created
> fine as there are no errors produced. However when I run "migrate" I get
> the folllowing errors:
>
> C:\Users\osborn_r\django\test_project>python manage.py migrate
> Operations to perform:
> Synchronize unmigrated apps: admin, contenttypes, auth, sessions
> Apply all migrations: test_app, auth
> Synchronizing apps without migrations:
> Creating tables...
> Installing custom SQL...
> Installing indexes...
> Running migrations:
> Applying test_app.0001_initial...Traceback (most recent call last):
> File "manage.py", line 10, in <module>
> execute_from_command_line(sys.argv)
> File "C:\Python27\lib\site-packages\django\core\management\__init__.py",
> line
> 427, in execute_from_command_line
> utility.execute()
> File "C:\Python27\lib\site-packages\django\core\management\__init__.py",
> line
> 419, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
> File "C:\Python27\lib\site-packages\django\core\management\base.py",
> line 288,
> in run_from_argv
> self.execute(*args, **options.__dict__)
> File "C:\Python27\lib\site-packages\django\core\management\base.py",
> line 337,
> in execute
> output = self.handle(*args, **options)
> File
> "C:\Python27\lib\site-packages\django\core\management\commands\migrate.py
> ", line 145, in handle
> executor.migrate(targets, plan, fake=options.get("fake", False))
> File "C:\Python27\lib\site-packages\django\db\migrations\executor.py",
> line 60
> , in migrate
> self.apply_migration(migration, fake=fake)
> File "C:\Python27\lib\site-packages\django\db\migrations\executor.py",
> line 88
> , in apply_migration
> if self.detect_soft_applied(migration):
> File "C:\Python27\lib\site-packages\django\db\migrations\executor.py",
> line 13
> 2, in detect_soft_applied
> apps = project_state.render()
> File "C:\Python27\lib\site-packages\django\db\migrations\state.py", line
> 63, i
> n render
> model=dangling_lookup[0]))
> ValueError: Lookup failed for model referenced by field
> auth.Permission.content_
> type: contenttypes.ContentType
>
> Can anyone spot what I have done wrong?
>
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