From: Fred Drake <fdrake@acm.org>
Date: Thu, 6 Sep 2001 14:51:01 +0000 (+0000)
Subject: Add __delitem__() support for WeakKeyDictionary.
X-Git-Tag: v2.2a3~49
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b663a2ccbdd9bbd9a13f0cea743af709c53ec0c1;p=python

Add __delitem__() support for WeakKeyDictionary.
This closes SF bug #458860.
---

diff --git a/Lib/weakref.py b/Lib/weakref.py
index 1d21e79886..c71d04b853 100644
--- a/Lib/weakref.py
+++ b/Lib/weakref.py
@@ -146,6 +146,13 @@ class WeakKeyDictionary(UserDict.UserDict):
             del data[k]
         self._remove = remove
 
+    def __delitem__(self, key):
+        for ref in self.data.iterkeys():
+            o = ref()
+            if o == key:
+                del self.data[ref]
+                return
+
     def __getitem__(self, key):
         return self.data[ref(key)]