Default to existing behavior.

registration/admin.py

@@ -946,16 +946,17 @@ def get_attendee_age(attendee):
 
 
 def print_badges(modeladmin, request, queryset):
-    if settings.PRINT_RENDERER == "wkhtmltopdf":
-        pdf_name = generate_badge_labels(queryset, request)
-        pdf_path = reverse("registration:pdf") + f"?file={pdf_name}"
-    else:
+    if getattr(settings, "PRINT_RENDERER", "wkhtmltopdf") == "gotenberg":
         signer = TimestampSigner()
         data = signer.sign_object({
             "badge_ids": [badge.id for badge in queryset],
         })
 
         pdf_path = reverse("registration:pdf") + f"?data={data}"
+    else:
+        pdf_name = generate_badge_labels(queryset, request)
+        pdf_path = reverse("registration:pdf") + f"?file={pdf_name}"
+
 
     response = HttpResponseRedirect(reverse("registration:print"))
     url_params = {"file": pdf_path, "next": request.get_full_path()}

registration/views/onsite_admin.py

@@ -345,16 +345,7 @@ def get_messages_list(request):
 def onsite_print_badges(request):
     badge_list = request.GET.getlist("id")
 
-    if settings.PRINT_RENDERER == "wkhtmltopdf":
-        queryset = Badge.objects.filter(id__in=badge_list)
-        pdf_name = admin.generate_badge_labels(queryset, request)
-
-        pdf_path = reverse("registration:pdf") + f"?file={pdf_name}"
-
-        # Async notify the frontend to refresh the cart
-        logger.info("Refreshing admin cart")
-        admin_push_cart_refresh(request)
-    else:
+    if getattr(settings, "PRINT_RENDERER", "wkhtmltopdf") == "gotenberg":
         terminal = get_active_terminal(request)
 
         signer = TimestampSigner()
@@ -364,6 +355,15 @@ def onsite_print_badges(request):
         })
 
         pdf_path = reverse("registration:pdf") + f"?data={data}"
+    else:
+        queryset = Badge.objects.filter(id__in=badge_list)
+        pdf_name = admin.generate_badge_labels(queryset, request)
+
+        pdf_path = reverse("registration:pdf") + f"?file={pdf_name}"
+
+        # Async notify the frontend to refresh the cart
+        logger.info("Refreshing admin cart")
+        admin_push_cart_refresh(request)
 
     print_url = reverse("registration:print") + "?" + urlencode({"file": pdf_path})
 

registration/views/printing.py

@@ -31,7 +31,7 @@ def printNametag(request):
 
 
 def servePDF(request):
-    if settings.PRINT_RENDERER == "gotenberg":
+    if getattr(settings, "PRINT_RENDERER", "wkhtmltopdf") == "gotenberg":
         return pdfFromGotenberg(request)
     else:
         return pdfFromDisk(request.GET.get("file", None))
@@ -43,8 +43,9 @@ def pdfFromDisk(name: Optional[str]) -> Union[FileResponse, JsonResponse]:
             {"success": False, "reason": "Name was missing"}, status=400
         )
 
+    root_dir = getattr(settings, "PDF_DIRECTORY", "/tmp")
     try:
-        path = Path(settings.PDF_DIRECTORY).joinpath(Path(name).name)
+        path = Path(root_dir).joinpath(Path(name).name)
         f = open(path, "rb")
     except IOError:
         return JsonResponse({"success": False, "reason": "IO error"}, status=404)