https://github.com/python/cpython/commit/deb0020e3d478fa72104b82e2ba1a1c0c6eb4eae
commit: deb0020e3d478fa72104b82e2ba1a1c0c6eb4eae
branch: main
author: AN Long <a...@users.noreply.github.com>
committer: encukou <encu...@gmail.com>
date: 2025-08-11T15:04:47+02:00
summary:
gh-115766: Fix IPv4Interface.is_unspecified (GH-137326)
files:
A Misc/NEWS.d/next/Library/2025-08-03-00-36-57.gh-issue-115766.nJCFkW.rst
M Lib/ipaddress.py
M Lib/test/test_ipaddress.py
diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py
index 8b60b9d5c9cd51..7470dc6c52d3a8 100644
--- a/Lib/ipaddress.py
+++ b/Lib/ipaddress.py
@@ -1479,6 +1479,10 @@ def with_hostmask(self):
return '%s/%s' % (self._string_from_ip_int(self._ip),
self.hostmask)
+ @property
+ def is_unspecified(self):
+ return self._ip == 0 and self.network.is_unspecified
+
class IPv4Network(_BaseV4, _BaseNetwork):
diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py
index db1c38243e2268..62929f9dd68b5a 100644
--- a/Lib/test/test_ipaddress.py
+++ b/Lib/test/test_ipaddress.py
@@ -2269,6 +2269,10 @@ def testReservedIpv4(self):
self.assertEqual(False, ipaddress.ip_network('240.0.0.0').is_multicast)
self.assertEqual(True, ipaddress.ip_network('240.0.0.0').is_reserved)
+ self.assertTrue(ipaddress.ip_interface('0.0.0.0/32').is_unspecified)
+ self.assertFalse(ipaddress.ip_interface('0.0.0.0/31').is_unspecified)
+ self.assertFalse(ipaddress.ip_interface('1.2.3.4/32').is_unspecified)
+
self.assertEqual(True, ipaddress.ip_interface(
'192.168.1.1/17').is_private)
self.assertEqual(False, ipaddress.ip_network('192.169.0.0').is_private)
diff --git
a/Misc/NEWS.d/next/Library/2025-08-03-00-36-57.gh-issue-115766.nJCFkW.rst
b/Misc/NEWS.d/next/Library/2025-08-03-00-36-57.gh-issue-115766.nJCFkW.rst
new file mode 100644
index 00000000000000..d8d2203847caf6
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-08-03-00-36-57.gh-issue-115766.nJCFkW.rst
@@ -0,0 +1 @@
+Fix :attr:`!ipaddress.IPv4Interface.is_unspecified`.
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