migrate to django 3

django-notifier/myapp/app/token_auth.py

@@ -1,6 +1,7 @@
 import jwt, re
 import traceback
 from channels.auth import AuthMiddlewareStack
+from channels.db import database_sync_to_async
 from django.contrib.auth.models import AnonymousUser
 from django.conf import LazySettings
 from jwt import InvalidSignatureError, ExpiredSignatureError, DecodeError
@@ -11,6 +12,25 @@
 
 from django.db import close_old_connections
 
+@database_sync_to_async
+def close_connections():
+    close_old_connections()
+
+@database_sync_to_async
+def get_user(user_jwt):
+    try:
+        return User.objects.get(id=user_jwt)
+    except User.DoesNotExist:
+        return AnonymousUser()
+
+@database_sync_to_async
+def get_session(session_key):
+    try:
+        return Session.objects.get(session_key=session_key)
+    except Session.DoesNotExist:
+        return AnonymousUser()
+
+
 class TokenAuthMiddleware:
     """
     Token authorization middleware for Django Channels 2
@@ -20,7 +40,7 @@ def __init__(self, inner):
 
     def __call__(self, scope):
         # Close old database connections to prevent usage of timed out connections
-        close_old_connections()
+        close_connections()
 
         # Login with JWT
         try:
@@ -33,7 +53,7 @@ def __call__(self, scope):
                         token,
                         settings.SECRET_KEY,
                     )
-                    scope['user'] = User.objects.get(id=user_jwt['user_id'])
+                    scope['user'] = get_user(user_jwt['user_id'])
                     return self.inner(scope)
 
                 except (InvalidSignatureError, KeyError, ExpiredSignatureError, DecodeError):
@@ -52,11 +72,10 @@ def __call__(self, scope):
                 for name, value in scope['headers']:
                     if name == b'cookie':
                         session_key = value.decode('utf-8').split('sessionid=')[1]
-
-                        session = Session.objects.get(session_key=session_key)
+                        session = get_session(session_key)
                         session_data = session.get_decoded()
                         uid = session_data.get('_auth_user_id')
-                        scope['user'] = User.objects.get(id=uid)
+                        scope['user'] = get_user(uid)
                         break
 
             # No credentials found so Set Anonymous user

django-notifier/requirements.txt

@@ -1,6 +1,6 @@
 # REST Api
-Django==2.2.11
-djangorestframework==3.9.3
+Django==3.0.4
+djangorestframework==3.11.0
 djangorestframework_jwt==1.11.0
 coreapi==2.3.3
 openapi-codec==1.3.2

django-rest-swagger/myapp/app/urls.py

@@ -16,7 +16,7 @@
 router = DefaultRouter()
 # Adding the KOREK view
 router.register(r'products', views.ProductViewSet)
-router.register(r'register', views.UserRegisterViewSet, base_name='user-register')
+router.register(r'register', views.UserRegisterViewSet, basename='user-register')
 router.register(r'groups', views.GroupSerializerOwnerViewSet)
 router.register(r'acknowlegment', views.GroupAcknowlegmentViewSet)
 router.register(r'password_reset', views.PasswordResetViewSet)

django-rest-swagger/requirements.txt

@@ -1,6 +1,6 @@
 # REST Api
-Django==2.2.11
-djangorestframework==3.9.3
+Django==3.0.4
+djangorestframework==3.11.0
 djangorestframework_jwt==1.11.0
 coreapi==2.3.3
 openapi-codec==1.3.2