Added custom 500 view handler in Django

Author: DHardy-WMF

extlinks/urls.py

@@ -10,6 +10,8 @@
 
 from .views import Homepage, Documentation
 
+handler500 = "extlinks.views.custom_server_error"
+
 urlpatterns = [
     path("admin/", admin.site.urls),
     path("", Homepage.as_view(), name="homepage"),

extlinks/views.py

@@ -1,4 +1,6 @@
+from django.views.decorators.csrf import requires_csrf_token
 from django.views.generic import TemplateView
+from django.views.defaults import server_error
 
 
 class Homepage(TemplateView):
@@ -7,3 +9,7 @@ class Homepage(TemplateView):
 
 class Documentation(TemplateView):
     template_name = "documentation.html"
+
+@requires_csrf_token
+def custom_server_error(request):
+    return server_error(request, "500/500.html")