Fixed #24781 -- Fixed repr() for lazy objects.

django/utils/functional.py

@@ -75,6 +75,9 @@ def lazy(func, *resultclasses):
                 (func, self.__args, self.__kw) + resultclasses
             )
 
+        def __repr__(self):
+            return repr(self.__cast())
+
         @classmethod
         def __prepare_class__(cls):
             for resultclass in resultclasses:

tests/utils_tests/test_functional.py

@@ -130,3 +130,18 @@ class FunctionalTestCase(unittest.TestCase):
 
         self.assertEqual(lazy_a(), lazy_b())
         self.assertNotEqual(lazy_b(), lazy_c())
+
+    def test_lazy_repr_text(self):
+        original_object = 'Lazy translation text'
+        lazy_obj = lazy(lambda: original_object, six.text_type)
+        self.assertEquals(repr(original_object), repr(lazy_obj()))
+
+    def test_lazy_repr_int(self):
+        original_object = 15
+        lazy_obj = lazy(lambda: original_object, int)
+        self.assertEquals(repr(original_object), repr(lazy_obj()))
+
+    def test_lazy_repr_bytes(self):
+        original_object = b'J\xc3\xbcst a str\xc3\xadng'
+        lazy_obj = lazy(lambda: original_object, bytes)
+        self.assertEquals(repr(original_object), repr(lazy_obj()))