diff -r 4b51a992cb70 Lib/shelve.py
--- a/Lib/shelve.py	Thu Jun 05 14:27:45 2014 +0200
+++ b/Lib/shelve.py	Thu Jun 05 19:17:23 2014 +0300
@@ -91,6 +91,10 @@
         self.cache = {}
         self.keyencoding = keyencoding
 
+    def __repr__(self):
+        return '{0}({1!r})'.format(self.__class__.__name__,
+                                   {key: self[key] for key in self})
+
     def __iter__(self):
         for k in self.dict.keys():
             yield k.decode(self.keyencoding)
diff -r 4b51a992cb70 Lib/test/test_shelve.py
--- a/Lib/test/test_shelve.py	Thu Jun 05 14:27:45 2014 +0200
+++ b/Lib/test/test_shelve.py	Thu Jun 05 19:17:23 2014 +0300
@@ -162,6 +162,14 @@
         else:
             self.fail('Closed shelf should not find a key')
 
+    def test_repr(self):
+        with shelve.Shelf({}) as s:
+            s['key'] = 1
+            self.assertEqual(repr(s), "Shelf({'key': 1})")
+        with shelve.open(self.fn) as s:
+            s['key'] = 2
+            self.assertEqual(repr(s), type(s).__name__ + "({'key': 2})")
+
 from test import mapping_tests
 
 class TestShelveBase(mapping_tests.BasicTestMappingProtocol):