Add __delitem__() support for WeakKeyDictionary.

This closes SF bug #458860.
2001-09-06 14:51:01 +00:00 · 2001-09-06 14:51:01 +00:00 · b663a2ccbd
parent 7b219b4a92
commit b663a2ccbd
1 changed files with 7 additions and 0 deletions
--- 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)]