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| author | Raymond Hettinger <python@rcn.com> | 2011-04-19 18:04:44 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2011-04-19 18:04:44 (GMT) |
| commit | 98c850a398569de67c2428acd0396bbdc4c2b02f (patch) | |
| tree | 5539b4caa8f4bff2c69d3300a8a7c7c43b140d08 /Lib/collections | |
| parent | 64e564b8f5de1f1822f051f98d3b247bdd001f74 (diff) | |
| parent | 35b873a7b2b25bf90099b1d449a35d6ff695d02b (diff) | |
| download | cpython-98c850a398569de67c2428acd0396bbdc4c2b02f.zip cpython-98c850a398569de67c2428acd0396bbdc4c2b02f.tar.gz cpython-98c850a398569de67c2428acd0396bbdc4c2b02f.tar.bz2 | |
Issue 11875: Keep OrderedDict's __reduce__ from temporarily mutating the object.
Diffstat (limited to 'Lib/collections')
| -rw-r--r-- | Lib/collections/__init__.py | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index a6bcaea..32c2e80 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -155,10 +155,9 @@ class OrderedDict(dict): def __reduce__(self): 'Return state information for pickling' items = [[k, self[k]] for k in self] - tmp = self.__map, self.__root, self.__hardroot - del self.__map, self.__root, self.__hardroot inst_dict = vars(self).copy() - self.__map, self.__root, self.__hardroot = tmp + for k in vars(self.__class__()): + inst_dict.pop(k, None) if inst_dict: return (self.__class__, (items,), inst_dict) return self.__class__, (items,) |