From ca33d307dee3cf68cc9cd2ccfae00c7ff23ea890 Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Sat, 15 Sep 2007 21:57:25 +0000
Subject: queryset-refactor: Merged to [6300]

git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6340 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/utils/functional.py | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'django/utils/functional.py')

diff --git a/django/utils/functional.py b/django/utils/functional.py
index 734704f6f3..f4580e7bd5 100644
--- a/django/utils/functional.py
+++ b/django/utils/functional.py
@@ -101,6 +101,13 @@ def lazy(func, *resultclasses):
             else:
                 raise AssertionError('__mod__ not supported for non-string types')
 
+        def __deepcopy__(self, memo):
+            # Instances of this class are effectively immutable. It's just a
+            # collection of functions. So we don't need to do anything
+            # complicated for copying.
+            memo[id(self)] = self
+            return self
+
     def __wrapper__(*args, **kw):
         # Creates the proxy object, instead of the actual value.
         return __proxy__(args, kw)
-- 
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