10000 [3.11] gh-135034: Normalize link targets in tarfile, add `os.path.realpath(strict='allow_missing')` (GH-135037) by Yhg1s · Pull Request #135068 · python/cpython · GitHub
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[3.11] gh-135034: Normalize link targets in tarfile, add os.path.realpath(strict='allow_missing') (GH-135037) #135068

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Merged
merged 8 commits into from
Jun 3, 2025
Merged

[3.11] gh-135034: Normalize link targets in tarfile, add os.path.realpath(strict='allow_missing') (GH-135037) #135068

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371b4ea
[3.11] gh-135034: Normalize link targets in tarfile, add `os.path.rea…
ambv Jun 3, 2025
698a6d4
Fix test failure in test_tarfile, remove tests that aren't suitable for
Yhg1s Jun 3, 2025
3196554
Fix a few tests, and a glaring logic error in the posixpath backport.
Yhg1s Jun 3, 2025
8ab383f
Stop using :cve:, which doesn't work in 3.11 and earlier.
Yhg1s Jun 3, 2025
6d4d4d6
Fix test_tarfile (for not exporting LinkFallbackError) and remove the
Yhg1s Jun 3, 2025
630ffa3
Fix Windows test_ntpath failures.
Yhg1s Jun 3, 2025
28d8d22
Fix merge error in backport.
Yhg1s Jun 3, 2025
92a788a
Remove backport of a test that won't pass under 3.11.
Yhg1s Jun 3, 2025
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Fix merge error in backport.
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@Yhg1s
Yhg1s committed Jun 3, 2025
commit 28d8d22aa4b262b8b7c33c61dae1506cf9a0dc3c
11 changes: 9 additions & 2 deletions Lib/test/test_ntpath.py
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Expand Up @@ -421,9 +421,16 @@ 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)

@unittest.skipUnless(HAVE_GETFINALPATHNAME, 'need _getfinalpathname')
def test_realpath_invalid_paths(self):
realpath = ntpath.realpath
ABSTFN = ntpath.abspath(os_helper.TESTFN)
ABSTFNb = os.fsencode(ABSTFN)
path = ABSTFN + '\x00'
# gh-106242: Embedded nulls and non-strict fallback to abspath
self.assertEqual(realpath(path, strict=False), path)
# gh-106242: Embedded nulls should raise OSError (not ValueError)
self.assertRaises(OSError, ntpath.realpath, path, strict=True)
self.assertRaises(OSError, ntpath.realpath, path, strict=ALLOW_MISSING)
path = ABSTFNb + b'\x00'
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