[3.14] gh-128636: Fix crash in PyREPL when os.environ is overwritten with an invalid value for macOS (GH-138089) (#138938)

Co-authored-by: yihong <zouzou0208@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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Miss Islington (bot) 2025-09-16 11:10:53 +02:00 committed by GitHub
parent dc4d016e7e
commit 1c901860e6
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5 changed files with 33 additions and 9 deletions

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@ -303,3 +303,12 @@ class TestConsole(TestCase):
self.assertIsInstance(console.getheightwidth(), tuple)
os.environ = []
self.assertIsInstance(console.getheightwidth(), tuple)
@unittest.skipUnless(sys.platform == "darwin", "requires macOS")
def test_restore_with_invalid_environ_on_macos(self, _os_write):
# gh-128636 for macOS
console = UnixConsole(term="xterm")
with os_helper.EnvironmentVarGuard():
os.environ = []
console.prepare() # needed to call restore()
console.restore() # this should succeed