Django 1 7 throws django core exceptions AppRegistryNotReady Models aren t loaded yet

Question

This is the traceback on my windows system    Traceback  most recent call last     File  D  AMD workspace steelrumors manage py   line 9  in  lt module gt      django setup     File  D  AMD Django django-django-4c85a0d django   init   py   line 21  in setup     apps populate settings INSTALLED APPS    File  D  AMD Django django-django-4c85a0d django apps registry py   line 108  in populate     app config import models all models    File  D  AMD Django django-django-4c85a0d django apps config py   line 197  in import models     self models module   import module models module name    File  C  Python27 lib importlib   init   py   line 37  in import module       import   name    File  C  Python27 lib site-packages registration models py   line 15  in  lt module gt      User   get user model     File  D  AMD Django django-django-4c85a0d django contrib auth   init   py   line 135  in get user model     return django apps get model settings AUTH USER MODEL    File  D  AMD Django django-django-4c85a0d django apps registry py   line 199  in get model     self check models ready     File  D  AMD Django django-django-4c85a0d django apps registry py   line 131  in check models ready     raise AppRegistryNotReady  Models aren t loaded yet    django core exceptions AppRegistryNotReady  Models aren t loaded yet    And my manage py looks like this   import os import sys import django  if   name         main          os environ setdefault  DJANGO SETTINGS MODULE    steelrumors settings       django setup       from django core management import execute from command line      execute from command line sys argv    I get this error when i am trying to use registration app in Django 1 7

User · Answer

Running these commands solved my problem  credit to this answer    import django django setup     However I m not sure why I need this  Comments would be appreciated

User · Answer

Do you have a Python virtual environment that you need to enter before you run manage py   I ran into this error myself  and that was the problem

User · Answer

install django-registration-redux  1 1 instead django-registration  if you using django 1 7

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This works for me for Django 1 9   The Python script to execute was in the root of the Django project       import django      os environ setdefault  DJANGO SETTINGS MODULE    PROJECT NAME settings       django setup       from APP NAME models import     Set PROJECT NAME and APP NAME to yours

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I ran into this issue when I use djangocms and added a plugin  in my case  djangocms-cascade   Of course I had to add the plugin to the INSTALLED APPS  But the order is here important   To place  cmsplugin cascade  before  cms  solved the issue

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My Problem was from init py   i made an app and wanted to do this   from MY APP import myfunc  instead of   from MY APP views import myfunc  when i rolled back my changes to these parts   everything worked just fine

User · Answer

Your manage py is  wrong   I don t know where you got it from  but that s not a 1 7 manage py - were you using some funky pre-release build or something   Reset your manage py to the conventional  as below  and things Should Just Work      usr bin env python import os import sys  if   name         main         os environ setdefault  DJANGO SETTINGS MODULE       project name    settings        from django core management import execute from command line      execute from command line sys argv

User · Answer

Another option is that you have a duplicate entry in INSTALLED APPS  That threw this error for two different apps I tested  Apparently it s not something Django checks for  but then who s silly enough to put the same app in the list twice  Me  that s who

User · Answer

The issue is in your registration app  It seems django-registration calls get user module   in models py at a module level  when models are still being loaded by the application registration process   This will no longer work   try      from django contrib auth import get user model     User   get user model   except ImportError      from django contrib auth models import User       I d change this models file to only call get user model   inside methods  and not at module level  and in FKs use something like   user   ForeignKey settings AUTH USER MODEL    BTW  the call to django setup   shouldn t be required in your manage py file  it s called for you in execute from command line   source

User · Answer

This is what solved it for us and these folks   Our project started with Django 1 4  we went to 1 5 and then to 1 7  Our wsgi py looked like this   import os  from django core handlers wsgi import WSGIHandler  os environ  DJANGO SETTINGS MODULE      myapp settings  application   WSGIHandler     When I updated to the 1 7 style WSGI handler   import os  from django core wsgi import get wsgi application  os environ  DJANGO SETTINGS MODULE      myapp settings  application   get wsgi application     Everything works now

User · Answer

If you get this error in a context of creating ForeignKey relations between models  Example below raises AppRegistryNotReady  Models aren t loaded yet error  from my app models import Workspace  workspace   models ForeignKey Workspace   Then please try to reffer to a model as a string  from my app models import Workspace    One of these two lines might fix the problem  workspace   models ForeignKey  Workspace   workspace   models ForeignKey  my app Workspace

User · Answer

manage py migrate  This solved my issue

User · Answer

Just encountered the same issue  The problem is because of django-registration incompatible with django 1 7 user model    A simple fix is to change these lines of code  at your installed django-registration module    try      from django contrib auth import get user model     User   get user model   except ImportError      from django contrib auth models import User     to    from django conf import settings try      from django contrib auth import get user model     User   settings AUTH USER MODEL except ImportError      from django contrib auth models import User    Mine is at  venv local lib python2 7 site-packages registration models py  virtualenv

[python] Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet

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