1 files changed, 14 insertions, 0 deletions
diff --git a/debug_toolbar/utils/functional.py b/debug_toolbar/utils/functional.py
new file mode 100644
index 0000000..1dbb734
--- /dev/null
+++ b/debug_toolbar/utils/functional.py
@@ -0,0 +1,14 @@
+try:
+    from django.utils.functional import cached_property
+except ImportError:  # Django < 1.4
+    class cached_property(object):
+        """
+        Decorator that creates converts a method with a single
+        self argument into a property cached on the instance.
+        """
+        def __init__(self, func):
+            self.func = func
+
+        def __get__(self, instance, type):
+            res = instance.__dict__[self.func.__name__] = self.func(instance)
+            return res