Fixed #22691 -- Added aliasing to cached_property.

1 files changed, 6 insertions, 2 deletions

diff --git a/django/utils/functional.py b/django/utils/functional.py
index 361b0f14fb..c512084c6e 100644
--- a/django/utils/functional.py
+++ b/django/utils/functional.py
@@ -45,14 +45,18 @@ class cached_property(object):
     """
     Decorator that converts a method with a single self argument into a
     property cached on the instance.
+
+    Optional ``name`` argument allows you to make cached properties of other
+    methods. (e.g.  url = cached_property(get_absolute_url, name='url') )
     """
-    def __init__(self, func):
+    def __init__(self, func, name=None):
         self.func = func
+        self.name = name or func.__name__
 
     def __get__(self, instance, type=None):
         if instance is None:
             return self
-        res = instance.__dict__[self.func.__name__] = self.func(instance)
+        res = instance.__dict__[self.name] = self.func(instance)
         return res