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bpo-42639: Move atexit state to PyInterpreterState (GH-23763)

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* Add _PyAtExit_Call() function and remove pyexitfunc and
  pyexitmodule members of PyInterpreterState. The function
  logs atexit callback errors using _PyErr_WriteUnraisableMsg().
* Add _PyAtExit_Init() and _PyAtExit_Fini() functions.
* Remove traverse, clear and free functions of the atexit module.

Co-authored-by: Dong-hee Na <donghee.na@python.org>
This commit is contained in:
Victor Stinner 2020-12-15 14:34:19 +01:00 • committed by GitHub
parent 8473cf89bd
commit b8fa135908
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7 changed files with 101 additions and 113 deletions
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18
Lib/test/test_atexit.py
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@ -170,6 +170,24 @@ class GeneralTest(unittest.TestCase):
self.assertEqual(res.out.decode().splitlines(), ["two", "one"])
self.assertFalse(res.err)
def test_atexit_instances(self):
# bpo-42639: It is safe to have more than one atexit instance.
code = textwrap.dedent("""
import sys
import atexit as atexit1
del sys.modules['atexit']
import atexit as atexit2
del sys.modules['atexit']
assert atexit2 is not atexit1
atexit1.register(print, "atexit1")
atexit2.register(print, "atexit2")
""")
res = script_helper.assert_python_ok("-c", code)
self.assertEqual(res.out.decode().splitlines(), ["atexit2", "atexit1"])
self.assertFalse(res.err)
@support.cpython_only
class SubinterpreterTest(unittest.TestCase):