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[3.11] gh-106242: Make ntpath.realpath errors consistent with abspath when there are embedded nulls (GH-108248)

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gh-106242: Make ntpath.realpath errors consistent with abspath when there are embedded nulls (GH-108248)

---------

(cherry picked from commit de33b5c662)

Co-authored-by: Steve Dower <steve.dower@python.org>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
This commit is contained in:
Miss Islington (bot) 2023-08-22 07:35:16 -07:00 • committed by GitHub
parent d22ac0c605
commit 8927cf0200
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3 changed files with 22 additions and 0 deletions
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6
Lib/test/test_ntpath.py
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@ -332,6 +332,10 @@ def test_realpath_basic(self):
raise OSError("No free drive letters available")
self.assertEqual(ntpath.realpath(d), d)
# gh-106242: Embedded nulls and non-strict fallback to abspath
self.assertEqual(ABSTFN + "\0spam",
ntpath.realpath(os_helper.TESTFN + "\0spam", strict=False))
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_strict(self):
@ -342,6 +346,8 @@ def test_realpath_strict(self):
self.addCleanup(os_helper.unlink, ABSTFN)
self.assertRaises(FileNotFoundError, ntpath.realpath, ABSTFN, strict=True)
self.assertRaises(FileNotFoundError, ntpath.realpath, ABSTFN + "2", strict=True)
# gh-106242: Embedded nulls should raise OSError (not ValueError)
self.assertRaises(OSError, ntpath.realpath, ABSTFN + "\0spam", strict=True)
@os_helper.skip_unless_symlink
@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')