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FIX check the type of the entries in sys.modules #326

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Merged
pierreglaser merged 14 commits into from
Jan 28, 2020
Merged

FIX check the type of the entries in sys.modules #326

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4093b02
FIX check the type of the entries in sys.modules
pierreglaser Jan 20, 2020
35278d7
Merge branch 'master' into fix-faulty-module-interaction-pypy
pierreglaser Jan 24, 2020
8348cff
add a test of a faulty module tricking whichmodule
pierreglaser Jan 26, 2020
f746c5d
also test faulty modules that are module instances
pierreglaser Jan 26, 2020
5da8b99
missing import statement
pierreglaser Jan 26, 2020
773f0d1
FIX hide func's __module__
pierreglaser Jan 26, 2020
4e82270
Update tests/cloudpickle_test.py
pierreglaser Jan 27, 2020
2ddf962
Update tests/cloudpickle_test.py
pierreglaser Jan 27, 2020
f416909
add more inline comments describing the issue
pierreglaser Jan 27, 2020
bbbdfab
MNT update changelog
pierreglaser Jan 27, 2020
090a3b3
DOC more test comments
pierreglaser Jan 27, 2020
f1c0ac8
Merge branch 'master' into fix-faulty-module-interaction-pypy
pierreglaser Jan 27, 2020
2d5e601
CLN typos
pierreglaser Jan 28, 2020
12677e6
Merge branch 'fix-faulty-module-interaction-pypy' of https://github.c…
pierreglaser Jan 28, 2020
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8 changes: 7 additions & 1 deletion cloudpickle/cloudpickle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,13 @@ def _whichmodule(obj, name):
# Protect the iteration by using a list copy of sys.modules against dynamic
# modules that trigger imports of other modules upon calls to getattr.
for module_name, module in list(sys.modules.items()):
if module_name == '__main__' or module is None:
# Some modules such as coverage can inject non-module objects inside
# sys.modules
if (
module_name == '__main__' or
module is None or
not isinstance(module, types.ModuleType)
):
continue
try:
if _getattribute(module, name)[0] is obj:
Expand Down