Fix compatibility with modern Django versions (4.2+).
Replace removed URL resolver APIs, update authentication checks to use
the is_authenticated property, and adapt model fields and signals to
current Django interfaces. Correct the Django application configuration
path and URL namespace declaration.
--- ../oauth2client/contrib/django_util/__init__.py	2026-10-16 14:17:40.713062105 +0300
+++ ../oauth2client/contrib/django_util/__init__.py	2026-10-16 17:12:25.860508135 +0300
@@ -230,7 +230,7 @@
 
 import django.conf
 from django.core import exceptions
-from django.core import urlresolvers
+from django import urls as urlresolvers
 from six.moves.urllib import parse
 
 from oauth2client import clientsecrets
@@ -417,7 +417,7 @@
     """Gets the authorized credentials for this flow, if they exist."""
     # ORM storage requires a logged in user
     if (oauth2_settings.storage_model is None or
-            request.user.is_authenticated()):
+            request.user.is_authenticated):
         return get_storage(request).get()
     else:
         return None
--- ../oauth2client/contrib/django_util/apps.py	2026-10-16 14:24:08.374221146 +0300
+++ ../oauth2client/contrib/django_util/apps.py	2026-10-16 14:24:28.278818442 +0300
@@ -28,5 +28,5 @@
 
     class GoogleOAuth2HelperConfig(AppConfig):
         """ App Config for Django Helper"""
-        name = 'oauth2client.django_util'
+        name = 'oauth2client.contrib.django_util'
         verbose_name = "Google OAuth2 Django Helper"
--- ../oauth2client/contrib/django_util/decorators.py	2026-10-16 17:11:00.665918858 +0300
+++ ../oauth2client/contrib/django_util/decorators.py	2026-10-16 17:11:39.645778834 +0300
@@ -71,7 +71,7 @@
         @wraps(wrapped_function)
         def required_wrapper(request, *args, **kwargs):
             if not (django_util.oauth2_settings.storage_model is None or
-                    request.user.is_authenticated()):
+                    request.user.is_authenticated):
                 redirect_str = '{0}?next={1}'.format(
                     django.conf.settings.LOGIN_URL,
                     parse.quote(request.path))
--- ../oauth2client/contrib/django_util/models.py	2026-10-16 14:42:14.104981495 +0300
+++ ../oauth2client/contrib/django_util/models.py	2026-10-16 17:15:13.857225466 +0300
@@ -35,7 +35,7 @@
     def get_internal_type(self):
         return 'BinaryField'
 
-    def from_db_value(self, value, expression, connection, context):
+    def from_db_value(self, value, expression, connection, context=None):
         """Overrides ``models.Field`` method. This converts the value
         returned from the database to an instance of this class.
         """
@@ -64,7 +64,7 @@
         if value is None:
             return None
         else:
-            return encoding.smart_text(
+            return encoding.smart_str(
                 base64.b64encode(jsonpickle.encode(value).encode()))
 
     def value_to_string(self, obj):
@@ -78,5 +78,5 @@
         Returns:
             string, the serialized field value
         """
-        value = self._get_val_from_obj(obj)
+        value = self.value_from_object(obj)
         return self.get_prep_value(value)
--- ../oauth2client/contrib/django_util/signals.py	2026-10-16 14:30:01.910508346 +0300
+++ ../oauth2client/contrib/django_util/signals.py	2026-10-16 14:30:18.970307524 +0300
@@ -24,5 +24,4 @@
 It passes the Django request object and the OAuth2 credentials object to the
  receiver.
 """
-oauth2_authorized = django.dispatch.Signal(
-    providing_args=["request", "credentials"])
+oauth2_authorized = django.dispatch.Signal()
--- ../oauth2client/contrib/django_util/site.py	2026-10-16 14:33:13.708379927 +0300
+++ ../oauth2client/contrib/django_util/site.py	2026-10-16 14:39:26.116810193 +0300
@@ -14,13 +14,13 @@
 
 """Contains Django URL patterns used for OAuth2 flow."""
 
-from django.conf import urls
+from django import urls
 
 from oauth2client.contrib.django_util import views
 
 urlpatterns = [
-    urls.url(r'oauth2callback/', views.oauth2_callback, name="callback"),
-    urls.url(r'oauth2authorize/', views.oauth2_authorize, name="authorize")
+    urls.re_path(r'oauth2callback/', views.oauth2_callback, name="callback"),
+    urls.re_path(r'oauth2authorize/', views.oauth2_authorize, name="authorize")
 ]
 
-urls = (urlpatterns, "google_oauth", "google_oauth")
+urls = (urlpatterns, "google_oauth")
--- ../oauth2client/contrib/django_util/views.py	2026-10-16 14:18:33.408041805 +0300
+++ ../oauth2client/contrib/django_util/views.py	2026-10-16 17:12:45.976614887 +0300
@@ -26,7 +26,7 @@
 from django import http
 from django import shortcuts
 from django.conf import settings
-from django.core import urlresolvers
+from django import urls as urlresolvers
 from django.shortcuts import redirect
 from django.utils import html
 import jsonpickle
@@ -178,7 +178,7 @@
     scopes = request.GET.getlist('scopes', django_util.oauth2_settings.scopes)
     # Model storage (but not session storage) requires a logged in user
     if django_util.oauth2_settings.storage_model:
-        if not request.user.is_authenticated():
+        if not request.user.is_authenticated:
             return redirect('{0}?next={1}'.format(
                 settings.LOGIN_URL, parse.quote(request.get_full_path())))
         # This checks for the case where we ended up here because of a logged