Add list for users, slightly improved server/exception

cvat/apps/engine/serializers.py

@@ -258,16 +258,19 @@ class Meta:
         write_only_fields = ('password', )
 
 class ExceptionSerializer(serializers.Serializer):
-    task = serializers.IntegerField()
-    job = serializers.IntegerField()
-    message = serializers.CharField(max_length=1000)
+    system = serializers.CharField(max_length=255)
+    client = serializers.CharField(max_length=255)
+
+    task = serializers.IntegerField(allow_null=True)
+    job = serializers.IntegerField(allow_null=True)
+
+    message = serializers.CharField(max_length=4096)
     filename = serializers.URLField()
     line = serializers.IntegerField()
     column = serializers.IntegerField()
-    stack = serializers.CharField(max_length=10000,
-        style={'base_template': 'textarea.html'})
-    browser = serializers.CharField(max_length=255)
-    os = serializers.CharField(max_length=255)
+    stack = serializers.CharField(max_length=8192,
+        style={'base_template': 'textarea.html'}, allow_null=True)
+
 
 class AboutSerializer(serializers.Serializer):
     name = serializers.CharField(max_length=128)

cvat/apps/engine/urls.py

@@ -12,7 +12,7 @@
 router.register('tasks', views.TaskViewSet)
 router.register('jobs', views.JobViewSet)
 router.register('users', views.UserViewSet)
-router.register('', views.ServerViewSet, basename='server')
+router.register('server', views.ServerViewSet, basename='server')
 router.register('plugins', views.PluginViewSet)
 
 urlpatterns = [

cvat/apps/engine/views.py

@@ -194,7 +194,7 @@ def annotations(self, request, pk):
         pass
 
 
-class UserViewSet(viewsets.GenericViewSet,
+class UserViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
     mixins.RetrieveModelMixin, mixins.UpdateModelMixin):
     queryset = User.objects.all()
     serializer_class = UserSerializer