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Issue #11564: Avoid crashes when trying to pickle huge objects or containers

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(more than 2**31 items).  Instead, in most cases, an OverflowError is raised.
This commit is contained in:
Antoine Pitrou 2011-08-29 23:09:33 +02:00
parent aa26b27503
commit 82be19f889
5 changed files with 217 additions and 81 deletions
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11
Lib/test/support.py
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@ -1089,7 +1089,7 @@ def bigmemtest(minsize, memuse):
return wrapper
return decorator
def precisionbigmemtest(size, memuse):
def precisionbigmemtest(size, memuse, dry_run=True):
def decorator(f):
def wrapper(self):
size = wrapper.size
@ -1099,10 +1099,11 @@ def precisionbigmemtest(size, memuse):
else:
maxsize = size
if real_max_memuse and real_max_memuse < maxsize * memuse:
raise unittest.SkipTest(
"not enough memory: %.1fG minimum needed"
% (size * memuse / (1024 ** 3)))
if ((real_max_memuse or not dry_run)
and real_max_memuse < maxsize * memuse):
raise unittest.SkipTest(
"not enough memory: %.1fG minimum needed"
% (size * memuse / (1024 ** 3)))
return f(self, maxsize)
wrapper.size = size