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_reduce(): Avoid infinite recursion in the pickler when self.__class__

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doesn't have the _HEAPTYPE flag set, e.g. for time.struct_time and
posix.stat_result.

This fixes the immediate symptoms of SF bug #496873 (cPickle /
time.struct_time loop), replacing the infinite loop with an exception.
This commit is contained in:
Guido van Rossum 2001-12-27 16:27:28 +00:00
parent bb2501f638
commit 2a6f5b38ac
1 changed files with 2 additions and 0 deletions
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2
Lib/copy_reg.py
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@ -53,6 +53,8 @@ def _reduce(self):
if base is object: if base is object:
state = None state = None
else: else:
if base is self.__class__:
raise TypeError, "can't pickle %s objects" % base.__name__
state = base(self) state = base(self)
args = (self.__class__, base, state) args = (self.__class__, base, state)
try: try: