Fixed #16383 -- Raised the AttributeError raised in property of an object when used in a template.

Thanks maraujop for the report and Hiroki and Tim Graham for review.

1 files changed, 9 insertions, 2 deletions

diff --git a/tests/template_tests/tests.py b/tests/template_tests/tests.py
index 0d83f38950..d5ee85fce2 100644
--- a/tests/template_tests/tests.py
+++ b/tests/template_tests/tests.py
@@ -110,13 +110,17 @@ class SomeClass:
             raise SomeOtherException
         raise KeyError
 
+    @property
     def silent_fail_attribute(self):
         raise SomeException
-    silent_fail_attribute = property(silent_fail_attribute)
 
+    @property
     def noisy_fail_attribute(self):
         raise SomeOtherException
-    noisy_fail_attribute = property(noisy_fail_attribute)
+
+    @property
+    def attribute_error_attribute(self):
+        raise AttributeError
 
 
 class OtherClass:
@@ -820,6 +824,9 @@ class TemplateTests(TestCase):
             'filter-syntax23': (r'1{{ var.noisy_fail_key }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException)),
             'filter-syntax24': (r'1{{ var.noisy_fail_attribute }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException)),
 
+            # #16383 - A @property that raises AttributeError should not fail loudly.
+            'filter-syntax25': ('{{ var.attribute_error_attribute }}', {"var": SomeClass()}, (AttributeError)),
+
             ### COMMENT SYNTAX ########################################################
             'comment-syntax01': ("{# this is hidden #}hello", {}, "hello"),
             'comment-syntax02': ("{# this is hidden #}hello{# foo #}", {}, "hello"),