commit da2c7ebd234fc904f6d6de2191eb5f72e8992c95
author Benjamin Peterson <benjamin@python.org> Sat Mar 23 22:32:00 2013 -0500
committer Benjamin Peterson <benjamin@python.org> Sat Mar 23 22:32:00 2013 -0500
tree fe5ea090417c5bb6a82e9ea3a7d1421b5227127b
parent 7e2f197a2bc3d15ff8c504154f48a3c2435c992f

allow any type with __getitem__ to be a mapping for the purposes of % (#15801)

Lib/test/string_tests.py

diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index d3412d0..d5ab6ae 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -1130,6 +1130,10 @@
 
         class X(object): pass
         self.checkraises(TypeError, 'abc', '__mod__', X())
+        class X(Exception):
+            def __getitem__(self, k):
+                return k
+        self.checkequal('melon apple', '%(melon)s %(apple)s', '__mod__', X())
 
     def test_floatformatting(self):
         # float formatting