slapos_subscription_request: do not crash if subscription could not be created anymore

master/bt5/slapos_subscription_request/SkinTemplateItem/portal_skins/slapos_subscription_request/SubscriptionRequest_validateIfSubmitted.py

@@ -62,29 +62,33 @@ if 0 < total_price:
     else:
       project = subscription_request.getSourceProjectValue()
 
-    subscription_change_request = subscription_request.getResourceValue().Resource_createSubscriptionRequest(
-      subscription_request.getDestinationValue(),
-      # [software_type, software_release],
-      subscription_request.getVariationCategoryList(),
-      project,
-      currency_value=subscription_request.getPriceCurrencyValue(),
-      temp_object=True,
-      item_value=item,
-      causality_value=subscription_request.getCausalityValue()
-    )
-    if subscription_change_request.getSpecialise() != subscription_request.getSpecialise():
-      # We have a matching Trade Condition.
-      # We can recreate the Subscription Request
+    try:
       subscription_change_request = subscription_request.getResourceValue().Resource_createSubscriptionRequest(
         subscription_request.getDestinationValue(),
         # [software_type, software_release],
         subscription_request.getVariationCategoryList(),
         project,
         currency_value=subscription_request.getPriceCurrencyValue(),
+        temp_object=True,
         item_value=item,
         causality_value=subscription_request.getCausalityValue()
       )
-      subscription_request.cancel(comment='Replaced by %s' % subscription_change_request.getReference())
+    except AssertionError:
+      pass
+    else:
+      if subscription_change_request.getSpecialise() != subscription_request.getSpecialise():
+        # We have a matching Trade Condition.
+        # We can recreate the Subscription Request
+        subscription_change_request = subscription_request.getResourceValue().Resource_createSubscriptionRequest(
+          subscription_request.getDestinationValue(),
+          # [software_type, software_release],
+          subscription_request.getVariationCategoryList(),
+          project,
+          currency_value=subscription_request.getPriceCurrencyValue(),
+          item_value=item,
+          causality_value=subscription_request.getCausalityValue()
+        )
+        subscription_request.cancel(comment='Replaced by %s' % subscription_change_request.getReference())
 
     return