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| author | Raymond Hettinger <python@rcn.com> | 2016-12-31 12:01:59 -0700 |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2016-12-31 12:01:59 -0700 |
| commit | 489e44b864d4030577299954377b35bd75140503 (patch) | |
| tree | 9921a42422a0408074bc130ae092d3e98119835c /Lib | |
| parent | ad26abba7cb612e4ff88b6d5cc02eb5249a7e0a7 (diff) | |
| download | cpython-489e44b864d4030577299954377b35bd75140503.tar.gz | |
Issue #29119: Fix weakref in OrderedDict.move_to_end(). Work by Andra Bogildea.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/collections/__init__.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index ebe8ee7a83..bea811db7f 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -189,6 +189,7 @@ class OrderedDict(dict): link = self.__map[key] link_prev = link.prev link_next = link.next + soft_link = link_next.prev link_prev.next = link_next link_next.prev = link_prev root = self.__root @@ -196,12 +197,14 @@ class OrderedDict(dict): last = root.prev link.prev = last link.next = root - last.next = root.prev = link + root.prev = soft_link + last.next = link else: first = root.next link.prev = root link.next = first - root.next = first.prev = link + first.prev = soft_link + root.next = link def __sizeof__(self): sizeof = _sys.getsizeof |