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| author | Alexandre Vassalotti <alexandre@peadrop.com> | 2013-04-20 20:19:46 (GMT) |
|---|---|---|
| committer | Alexandre Vassalotti <alexandre@peadrop.com> | 2013-04-20 20:19:46 (GMT) |
| commit | 1f7492c28a5aa5a1abfb3de9dc88ac440296a36c (patch) | |
| tree | 77a3d5d6c92344e1030c2cf30bc135d90aac60fc /Lib/pickle.py | |
| parent | bdf940d3bda45649c14d0cc6225880b7a8667fd4 (diff) | |
| download | cpython-1f7492c28a5aa5a1abfb3de9dc88ac440296a36c.zip cpython-1f7492c28a5aa5a1abfb3de9dc88ac440296a36c.tar.gz cpython-1f7492c28a5aa5a1abfb3de9dc88ac440296a36c.tar.bz2 | |
Isuse #17720: Fix APPENDS handling in the Python implementation of Unpickler
to correctly process the opcode when it is used on non-list objects.
Diffstat (limited to 'Lib/pickle.py')
| -rw-r--r-- | Lib/pickle.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py index 161c2e9..1d8185c 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -1208,8 +1208,14 @@ class _Unpickler: def load_appends(self): stack = self.stack mark = self.marker() - list = stack[mark - 1] - list.extend(stack[mark + 1:]) + list_obj = stack[mark - 1] + items = stack[mark + 1:] + if isinstance(list_obj, list): + list_obj.extend(items) + else: + append = list_obj.append + for item in items: + append(item) del stack[mark:] dispatch[APPENDS[0]] = load_appends |