Hi,
I am new to Django and still under the process of learning. We are using an
open source ecommerce platform - Oscar - for our online store. Oscar is
based on Django.
I was trying to customise the Django User model by extending with some few
extra fields/columns:
# file: your-project/apps/user/models.pyfrom django.db import models
from django.contrib.auth.models import AbstractUser
class User(AbstractUser): user_type = models.IntegerField()
# use our own user model in settings.pyAUTH_USER_MODEL = "user.User"
With the above changes, when I run 'makemigration' followed by 'migrate', I am
getting the following errors:
*Running migrations:*
Rendering model states...Traceback (most recent call last):
File "./manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/core/management/__init__.py",
line 338, in execute_from_command_line
utility.execute()
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/core/management/__init__.py",
line 330, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/core/management/base.py",
line 393, in run_from_argv
self.execute(*args, **cmd_options)
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/core/management/base.py",
line 444, in execute
output = self.handle(*args, **options)
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/core/management/commands/migrate.py",
line 222, in handle
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/db/migrations/executor.py",
line 100, in migrate
state.apps # Render all real_apps -- performance critical
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/utils/functional.py",
line 60, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/db/migrations/state.py",
line 166, in apps
return StateApps(self.real_apps, self.models)
File
"/Users/pinakeebiswas/waltzz/lib/python2.7/site-packages/django/db/migrations/state.py",
line 248, in __init__
raise ValueError(msg.format(field=operations[0][1], model=lookup_model))
ValueError: Lookup failed for model referenced by field basket.Basket.owner:
customer.User
I am not sure what's causing the above error. Certainly there could be
models which would be dependent on the User model but I thought the
makemigrations and migrate should be able to resolve those.
Would appreciate if someone could help me with resolving the above errors.
Thanks
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