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GH-123599: url2pathname(): handle authority section in file URL (#126844)

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In `urllib.request.url2pathname()`, if the authority resolves to the
current host, discard it. If an authority is present but resolves somewhere
else, then on Windows we return a UNC path (as before), and on other
platforms we raise `URLError`.

Affects `pathlib.Path.from_uri()` in the same way.

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
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Barney Gale 2025-04-10 20:58:04 +01:00 • committed by GitHub
parent a214db0c54
commit 66cdb2bd8a
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8 changed files with 106 additions and 48 deletions
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6
Lib/test/test_pathlib/test_pathlib.py
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@ -3285,10 +3285,14 @@ class PathTest(PurePathTest):
def test_from_uri_posix(self):
P = self.cls
self.assertEqual(P.from_uri('file:/foo/bar'), P('/foo/bar'))
self.assertEqual(P.from_uri('file://foo/bar'), P('//foo/bar'))
self.assertRaises(ValueError, P.from_uri, 'file://foo/bar')
self.assertEqual(P.from_uri('file:///foo/bar'), P('/foo/bar'))
self.assertEqual(P.from_uri('file:////foo/bar'), P('//foo/bar'))
self.assertEqual(P.from_uri('file://localhost/foo/bar'), P('/foo/bar'))
if not is_wasi:
self.assertEqual(P.from_uri('file://127.0.0.1/foo/bar'), P('/foo/bar'))
self.assertEqual(P.from_uri(f'file://{socket.gethostname()}/foo/bar'),
P('/foo/bar'))
self.assertRaises(ValueError, P.from_uri, 'foo/bar')
self.assertRaises(ValueError, P.from_uri, '/foo/bar')
self.assertRaises(ValueError, P.from_uri, '//foo/bar')