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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
commit56e61431209ac76911f25eee3374c9a0b7d7b8ed (patch)
tree5d1b41892bd26b552dead0878b96f0cdec75d68b /coverage/execfile.py
parentfb6c870536dbfe556429ac6af34e72459b6c8f32 (diff)
downloadpython-coveragepy-56e61431209ac76911f25eee3374c9a0b7d7b8ed.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 1845f8d..844c11b 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.