From d5981de9fc51c4377fef1cb73fc603f1fd1d39ec Mon Sep 17 00:00:00 2001 From: Chandra Date: Sun, 5 Jul 2026 12:08:28 -0500 Subject: [PATCH] gh-105708: 'V' could be case insensitive for IPvFuture hostnames (GH-105709) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * gh-105708: 'V' could be case insensitive for IPvFuture hostnames * gh-105708: 'V' could be case insensitive for IPvFuture hostnames & checking empty hostnames * 📜🤖 Added by blurb_it. * Fix the Merge changing \z to \Z. * Fixed the News Entry. * Fix the lint. --------- (cherry picked from commit a47a66ccef0f98fcf088bc260ca14b889efa9b04) Co-authored-by: Chandra Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Senthil Kumaran --- Lib/test/test_urlparse.py | 15 ++++++++++----- Lib/urllib/parse.py | 4 ++-- ...2023-06-12-21-31-02.gh-issue-105708.5fFwP8.rst | 1 + 3 files changed, 13 insertions(+), 7 deletions(-) create mode 100644 Misc/NEWS.d/next/Library/2023-06-12-21-31-02.gh-issue-105708.5fFwP8.rst diff --git a/Lib/test/test_urlparse.py b/Lib/test/test_urlparse.py index 8e4da0e0f099191..a5b7966c7780e9e 100644 --- a/Lib/test/test_urlparse.py +++ b/Lib/test/test_urlparse.py @@ -1653,15 +1653,20 @@ def test_splitting_bracketed_hosts(self): self.assertEqual(p1.username, 'user') self.assertEqual(p1.path, '/path') self.assertEqual(p1.port, 1234) - p2 = urllib.parse.urlsplit('scheme://user@[0439:23af:2309::fae7%test]/path?query') - self.assertEqual(p2.hostname, '0439:23af:2309::fae7%test') + p2 = urllib.parse.urlsplit('scheme://user@[V6a.ip]:1234/path?query') + self.assertEqual(p2.hostname, 'v6a.ip') self.assertEqual(p2.username, 'user') self.assertEqual(p2.path, '/path') - self.assertIs(p2.port, None) - p3 = urllib.parse.urlsplit('scheme://user@[0439:23af:2309::fae7:1234:192.0.2.146%test]/path?query') - self.assertEqual(p3.hostname, '0439:23af:2309::fae7:1234:192.0.2.146%test') + self.assertEqual(p2.port, 1234) + p3 = urllib.parse.urlsplit('scheme://user@[0439:23af:2309::fae7%test]/path?query') + self.assertEqual(p3.hostname, '0439:23af:2309::fae7%test') self.assertEqual(p3.username, 'user') self.assertEqual(p3.path, '/path') + self.assertIs(p3.port, None) + p4 = urllib.parse.urlsplit('scheme://user@[0439:23af:2309::fae7:1234:192.0.2.146%test]/path?query') + self.assertEqual(p4.hostname, '0439:23af:2309::fae7:1234:192.0.2.146%test') + self.assertEqual(p4.username, 'user') + self.assertEqual(p4.path, '/path') def test_port_casting_failure_message(self): message = "Port could not be cast to integer value as 'oracle'" diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py index 82b95adbdc283ef..4247b9a4b07fa3f 100644 --- a/Lib/urllib/parse.py +++ b/Lib/urllib/parse.py @@ -544,8 +544,8 @@ def _check_bracketed_netloc(netloc): # Valid bracketed hosts are defined in # https://www.rfc-editor.org/rfc/rfc3986#page-49 and https://url.spec.whatwg.org/ def _check_bracketed_host(hostname): - if hostname.startswith('v'): - if not re.match(r"\Av[a-fA-F0-9]+\..+\z", hostname): + if hostname.startswith(('v', 'V')): + if not re.match(r"\A[vV][a-fA-F0-9]+\..+\z", hostname): raise ValueError(f"IPvFuture address is invalid") else: ip = ipaddress.ip_address(hostname) # Throws Value Error if not IPv6 or IPv4 diff --git a/Misc/NEWS.d/next/Library/2023-06-12-21-31-02.gh-issue-105708.5fFwP8.rst b/Misc/NEWS.d/next/Library/2023-06-12-21-31-02.gh-issue-105708.5fFwP8.rst new file mode 100644 index 000000000000000..79289c1f0bd4217 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-06-12-21-31-02.gh-issue-105708.5fFwP8.rst @@ -0,0 +1 @@ +Accept an uppercase V prefix in IPvFuture addresses in :func:`urllib.parse.urlsplit`.