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bpo-20602: Do not clear sys.flags and sys.float_info during shutdown (GH-8096)

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There is no need to clear these immutable objects during shutdown.
This commit is contained in:
Zackery Spytz 2019-05-30 05:08:24 -06:00 • committed by Petr Viktorin
parent c145f3bfbe
commit 249b7d59d8
3 changed files with 18 additions and 2 deletions
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16
Lib/test/test_sys.py
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@ -822,6 +822,22 @@ class SysModuleTest(unittest.TestCase):
rc, stdout, stderr = assert_python_ok('-c', code)
self.assertEqual(stdout.rstrip(), b'True')
@test.support.requires_type_collecting
def test_issue20602(self):
# sys.flags and sys.float_info were wiped during shutdown.
code = """if 1:
import sys
class A:
def __del__(self, sys=sys):
print(sys.flags)
print(sys.float_info)
a = A()
"""
rc, out, err = assert_python_ok('-c', code)
out = out.splitlines()
self.assertIn(b'sys.flags', out[0])
self.assertIn(b'sys.float_info', out[1])
@unittest.skipUnless(hasattr(sys, 'getandroidapilevel'),
'need sys.getandroidapilevel()')
def test_getandroidapilevel(self):