Added more readable __str__ and __repr__ methods to MergeDict.

Thanks, john@calixto.net. Fixed #3508.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13721 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 21 insertions, 0 deletions

diff --git a/django/utils/datastructures.py b/django/utils/datastructures.py
index 3cbbe27b91..4656f60f2b 100644
--- a/django/utils/datastructures.py
+++ b/django/utils/datastructures.py
@@ -77,6 +77,27 @@ class MergeDict(object):
         """Returns a copy of this object."""
         return self.__copy__()
 
+    def __str__(self):
+        '''
+        Returns something like
+
+            "{'key1': 'val1', 'key2': 'val2', 'key3': 'val3'}"
+
+        instead of the generic "<object meta-data>" inherited from object.
+        '''
+        return str(dict(self.items()))
+
+    def __repr__(self):
+        '''
+        Returns something like
+
+            MergeDict({'key1': 'val1', 'key2': 'val2'}, {'key3': 'val3'})
+
+        instead of generic "<object meta-data>" inherited from object.
+        '''
+        dictreprs = ', '.join(repr(d) for d in self.dicts)
+        return '%s(%s)' % (self.__class__.__name__, dictreprs)
+
 class SortedDict(dict):
     """
     A dictionary that keeps its keys in the order in which they're inserted.