Python requirements and Docker version upgrades (#826)

v3.0.0: Python, Django, Celery and other version upgrades

files/tasks.py

@@ -7,10 +7,11 @@ import tempfile
 from datetime import datetime, timedelta
 
 from celery import Task
-from celery.decorators import task
+from celery import shared_task as task
 from celery.exceptions import SoftTimeLimitExceeded
 from celery.signals import task_revoked
-from celery.task.control import revoke
+
+# from celery.task.control import revoke
 from celery.utils.log import get_task_logger
 from django.conf import settings
 from django.core.cache import cache
@@ -460,10 +461,11 @@ def check_running_states():
         if (now - encoding.update_date).seconds > settings.RUNNING_STATE_STALE:
             media = encoding.media
             profile = encoding.profile
-            task_id = encoding.task_id
+            # task_id = encoding.task_id
             # terminate task
-            if task_id:
-                revoke(task_id, terminate=True)
+            # TODO: not imported
+            # if task_id:
+            #    revoke(task_id, terminate=True)
             encoding.delete()
             media.encode(profiles=[profile])
             # TODO: allign with new code + chunksize...

files/urls.py

@@ -1,7 +1,7 @@
 from django.conf import settings
-from django.conf.urls import include, re_path
+from django.conf.urls import include
 from django.conf.urls.static import static
-from django.urls import path
+from django.urls import path, re_path
 
 from . import management_views, views
 from .feeds import IndexRSSFeed, SearchRSSFeed

files/views.py

@@ -1,6 +1,5 @@
 from datetime import datetime, timedelta
 
-from celery.task.control import revoke
 from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
@@ -1396,5 +1395,6 @@ class TaskDetail(APIView):
     permission_classes = (permissions.IsAdminUser,)
 
     def delete(self, request, uid, format=None):
-        revoke(uid, terminate=True)
+        # This is not imported!
+        # revoke(uid, terminate=True)
         return Response(status=status.HTTP_204_NO_CONTENT)