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bpo-24596: Decref module in PyRun_SimpleFileExFlags() on SystemExit (GH-7918)

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PyErr_Print() will not return when the exception is a SystemExit, so
decref the __main__ module object in that case.
This commit is contained in:
Zackery Spytz 2018-07-03 13:47:22 -06:00 • committed by Antoine Pitrou
parent 831c29721d
commit d8cba5d16f
3 changed files with 20 additions and 2 deletions
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17
Lib/test/test_gc.py
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@ -1,7 +1,7 @@
import unittest
from test.support import (verbose, refcount_test, run_unittest,
strip_python_stderr, cpython_only, start_threads,
temp_dir, requires_type_collecting)
temp_dir, requires_type_collecting, TESTFN, unlink)
from test.support.script_helper import assert_python_ok, make_script
import sys
@ -708,6 +708,21 @@ class GCTests(unittest.TestCase):
rc, out, err = assert_python_ok('-c', code)
self.assertEqual(out.strip(), b'__del__ called')
@requires_type_collecting
def test_global_del_SystemExit(self):
code = """if 1:
class ClassWithDel:
def __del__(self):
print('__del__ called')
a = ClassWithDel()
a.link = a
raise SystemExit(0)"""
self.addCleanup(unlink, TESTFN)
with open(TESTFN, 'w') as script:
script.write(code)
rc, out, err = assert_python_ok(TESTFN)
self.assertEqual(out.strip(), b'__del__ called')
def test_get_stats(self):
stats = gc.get_stats()
self.assertEqual(len(stats), 3)