From 5f9348cd0509ca9c799542a70adcde4f807830db Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Thu, 23 May 2019 17:52:22 +0200
Subject: Document generation: display an error page for template error

---
 ishtar_common/models.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'ishtar_common/models.py')

diff --git a/ishtar_common/models.py b/ishtar_common/models.py
index 8e5983a45..032004e2f 100644
--- a/ishtar_common/models.py
+++ b/ishtar_common/models.py
@@ -25,7 +25,7 @@ from collections import OrderedDict
 import datetime
 import inspect
 from importlib import import_module
-from jinja2 import TemplateSyntaxError
+from jinja2 import TemplateSyntaxError, UndefinedError
 import json
 import logging
 import os
@@ -3201,6 +3201,8 @@ class DocumentTemplate(models.Model):
             result = engine.render(self.template, **values)
         except TemplateSyntaxError as e:
             raise TemplateSyntaxError(str(e), e.lineno)
+        except UndefinedError as e:
+            raise TemplateSyntaxError(str(e), 0)
         output = open(output_name, 'wb')
         output.write(result)
         return output_name
-- 
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