From: Raymond Hettinger <python@rcn.com>
Date: Sun, 21 Dec 2003 22:19:08 +0000 (+0000)
Subject: Make sure the UserDict copies do not share the same underlying
X-Git-Tag: v2.4a1~1061
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9014560412a2bd322170902a42ab965eee4b0c47;p=thirdparty%2FPython%2Fcpython.git

Make sure the UserDict copies do not share the same underlying
dictionary as the original.  This parallels MvL's change to
Lib/os.py 1.56.

Backport candidate.
---

diff --git a/Lib/UserDict.py b/Lib/UserDict.py
index 35f86fc4dc10..8141e7f31be8 100644
--- a/Lib/UserDict.py
+++ b/Lib/UserDict.py
@@ -22,7 +22,7 @@ class UserDict:
     def clear(self): self.data.clear()
     def copy(self):
         if self.__class__ is UserDict:
-            return UserDict(self.data)
+            return UserDict(self.data.copy())
         import copy
         data = self.data
         try: