Django: unbound method is_authenticated() must be called with AbstractBaseUser instance - django

Question

This issue is rather strange. Here's a stack trace:
Environment:
Request Method: GET
Request URL: http://localhost/en/dashboard
Django Version: 1.9.6
Python Version: 2.7.12
Installed Applications:
('django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'django.contrib.admin',
'django_mongoengine',
'django_mongoengine.mongo_auth',
'django_mongoengine.mongo_admin.sites',
'django_mongoengine.mongo_admin',
'django_adyen',
'spiral_api',
'rest_framework',
'rest_framework_mongoengine',
'spiral_admin',
'rest_framework_docs')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.locale.LocaleMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'spiral_api.middlewares.BehalfUserMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'spiral_api.middlewares.AuthHeaderMiddleware')
Traceback:
File "/usr/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
235. response = middleware_method(request, response)
File "/code/django_app/spiral_api/middlewares.py" in process_response
11. def process_response(self, request, response):
File "/usr/local/lib/python2.7/site-packages/django/utils/functional.py" in inner
204. self._setup()
File "/usr/local/lib/python2.7/site-packages/django/utils/functional.py" in _setup
351. self._wrapped = self._setupfunc()
File "/code/django_app/spiral_api/middlewares.py" in get_user
18. user = get_user_middleware(request)
Exception Type: TypeError at /en/dashboard
Exception Value: unbound method is_authenticated() must be called with AbstractBaseUser instance as first argument (got nothing instead)
Here's a middleware:
from functools import partial
from django.contrib.auth.middleware import get_user as get_user_middleware
from django.contrib.auth.models import AbstractBaseUser
from django.utils.functional import SimpleLazyObject
from spiral_api.models import SpiralUserProfile
class AuthHeaderMiddleware(object):
def process_response(self, request, response):
response['is_login'] = int(request.user.is_active) if hasattr(request, 'user') else 0
return response
class BehalfUserMiddleware(object):
def get_user(self, request):
user = get_user_middleware(request)
if user.is_authenticated():
profile = SpiralUserProfile.objects.get(user=user)
return profile.behalf or user
else:
return user
def process_request(self, request):
assert hasattr(request, 'session'), (
"The Django authentication middleware requires session middleware "
"to be installed. Edit your MIDDLEWARE_CLASSES setting to insert "
"'django.contrib.sessions.middleware.SessionMiddleware' before "
"'django.contrib.auth.middleware.AuthenticationMiddleware'."
)
request.user = SimpleLazyObject(partial(self.get_user, request))
request.behalf = SimpleLazyObject(lambda: get_user_middleware(request))
Sadly project is not mine. From exception you see it points to get_user_middleware() function. I've tried to add print in there, also as sys.exit(), nothing works.. it seems to be it doesn't even come to that function. Here's how middleware setup looks in Settings:
MIDDLEWARE_CLASSES = (
'django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.locale.LocaleMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
# 'django.contrib.auth.middleware.AuthenticationMiddleware',
'spiral_api.middlewares.BehalfUserMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'spiral_api.middlewares.AuthHeaderMiddleware'
)
Also a model SpiralUserProfile has a field behalf which is reference to model User. I'm completely puzzled why exception shows error in a place where interpreter doesn't even come to? How to solve this issue?
Versions of requirements.txt:
nose==1.3.7
pinocchio==0.4.2
django_nose==1.4.4
bjoern==1.4.3
amqp==1.4.9
anyjson==0.3.3
apiclient==1.0.3
billiard==3.3.0.23
blinker==1.4
build==1.0.2
celery==3.1.23
Django==1.9.6
django-bootstrap3==7.0.1
django-crispy-forms==1.6.0
django-fanout==1.1.1
django-filter==0.13.0
git+https://github.com/MongoEngine/django-mongoengine
django-redis==4.4.3
django-rest-framework-mongoengine==3.3.0
djangorestframework==3.3.3
drfdocs==0.0.9
EasyProcess==0.2.2
fanout==1.2.0
git+http://github.com/google/google-api-python-client/
gunicorn==19.3.0
httplib2==0.9.2
kombu==3.0.35
mongodbforms==0.3
mongoengine==0.10.6
nltk==3.2.1
oauth2==1.9.0.post1
oauth2client==2.1.0
oauthlib==1.1.2
Pillow==3.2.0
psycopg2==2.6
pubcontrol==2.2.7
pyasn1==0.1.9
pyasn1-modules==0.0.8
PyInvoice==0.1.7
PyJWT==1.4.0
pymongo==3.2.2
python-openid==2.2.5
pytz==2016.4
PyVirtualDisplay==0.2
qrcode==5.3
qrplatba==0.3.4
redis==2.10.5
reportlab==3.3.0
requests==2.10.0
requests-oauthlib==0.6.1
rsa==3.4.2
selenium==2.53.2
simplejson==3.8.2
six==1.10.0
uritemplate==0.6
urllib3==1.15.1
xvfbwrapper==0.2.8
zope.dottedname==4.1.0
pyPdf

Answer 1

I am not sure how this ever worked, but I can see why you'd get that error. In django-mongoengine/mongo_auth/models.py I see this:
class BaseUser(object):
is_anonymous = AbstractBaseUser.is_anonymous
is_authenticated = AbstractBaseUser.is_authenticated
class User(BaseUser, document.Document):
...
which seems to be the source of the error.
You can make it work by modifying that library so that the User class implements those methods directly:
class User(document.Document):
...
def is_anonymous(self):
"""
Always returns False. This is a way of comparing User objects to
anonymous users.
"""
return False
def is_authenticated(self):
"""
Always return True. This is a way to tell if the user has been
authenticated in templates.
"""
return True