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authorNed Batchelder <ned@nedbatchelder.com>2015-10-06 07:14:18 -0400
committerNed Batchelder <ned@nedbatchelder.com>2015-10-06 07:14:18 -0400
commit3b8f4a0b86f8796f1e7925b9c6593a9d5198b437 (patch)
tree68f192e6be5ee3cb4cba489b860a951b75755c28 /coverage/execfile.py
parent0101eff78ab68dcf8a8c20e06c24b68d8e4c45e6 (diff)
downloadpython-coveragepy-git-3b8f4a0b86f8796f1e7925b9c6593a9d5198b437.tar.gz
Protect ourselves from mock'ed os. #416
Diffstat (limited to 'coverage/execfile.py')
-rw-r--r--coverage/execfile.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/coverage/execfile.py b/coverage/execfile.py
index 1845f8d7..844c11bc 100644
--- a/coverage/execfile.py
+++ b/coverage/execfile.py
@@ -10,10 +10,12 @@ import types
from coverage.backward import BUILTINS
from coverage.backward import PYC_MAGIC_NUMBER, imp, importlib_util_find_spec
-from coverage.misc import ExceptionDuringRun, NoCode, NoSource
+from coverage.misc import ExceptionDuringRun, NoCode, NoSource, isolate_module
from coverage.phystokens import compile_unicode
from coverage.python import get_python_source
+os = isolate_module(os)
+
class DummyLoader(object):
"""A shim for the pep302 __loader__, emulating pkgutil.ImpLoader.