fixing rules backend error

rowers/backends.py

@@ -0,0 +1,14 @@
+from rules.permissions import ObjectPermissionBackend
+from rowers.models import User
+
+class MyObjectPermissionBackend(ObjectPermissionBackend):
+    def user_can_authenticate(self, user):
+        return getattr(user, "is_active", True)
+        
+    def get_user(self, user_id):
+        try:
+            user = User.objects.get(pk=user_id)
+        except User.DoesNotExist:
+            return None
+        return user if self.user_can_authenticate(user) else None
+        

rowers/views/paymentviews.py

@@ -2,7 +2,7 @@ from django.utils.encoding import force_bytes, force_str
 from rowers.tokens import account_activation_token
 from django.contrib.sites.shortcuts import get_current_site
 from django.utils.http import urlsafe_base64_encode, urlsafe_base64_decode
-
+from django.contrib.auth.backends import ModelBackend
 from rowers.views.statements import *
 from django.core.mail import EmailMessage
 
@@ -817,7 +817,7 @@ def useractivate(request, uidb64, token):  # pragma: no cover
 
         messages.info(
             request, 'Thank you for your email confirmation. You are now signed in to your account.')
-        login(request, user, backend=settings.AUTHENTICATION_BACKENDS[0])
+        login(request, user, backend='django.contrib.auth.backends.ModelBackend')
         url = reverse('workouts_view')
         # if user.rower.rowerplan == 'freecoach':
         #    url+='?next=/rowers/me/teams'

rowsandall_app/settings.py

@@ -90,10 +90,10 @@ INSTALLED_APPS = [
 AUTHENTICATION_BACKENDS = (
     #'oauth2_provider.backends.OAuth2Backend',
     # Uncomment following if you want to access the admin
-    'rules.permissions.ObjectPermissionBackend',
-    'django.contrib.auth.backends.ModelBackend',
     'django.contrib.auth.backends.ModelBackend',
     'django.contrib.auth.backends.RemoteUserBackend',
+    'rowers.backends.MyObjectPermissionBackend',
+    #'rules.permissions.ObjectPermissionBackend',
 )
 
 MIDDLEWARE = [