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Issue #15001: fix segfault on "del sys.module['__main__']"

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Patch by Victor Stinner.
This commit is contained in:
Hynek Schlawack 2012-11-07 09:07:22 +01:00
commit 33363f43e3
3 changed files with 21 additions and 6 deletions
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12
Lib/test/test_cmd_line.py
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@ -358,6 +358,18 @@ class CmdLineTest(unittest.TestCase):
self.assertEqual(rc, 0)
self.assertIn(b'random is 1', out)
def test_del___main__(self):
# Issue #15001: PyRun_SimpleFileExFlags() did crash because it kept a
# borrowed reference to the dict of __main__ module and later modify
# the dict whereas the module was destroyed
filename = test.support.TESTFN
self.addCleanup(test.support.unlink, filename)
with open(filename, "w") as script:
print("import sys", file=script)
print("del sys.modules['__main__']", file=script)
assert_python_ok(filename)
def test_main():
test.support.run_unittest(CmdLineTest)
test.support.reap_children()