tests: IPv6 issue

test/conftest.py

@@ -18,6 +18,7 @@ import requests
 from docker.models.containers import Container
 from docker.models.networks import Network
 from packaging.version import Version
+from urllib3.util.connection import HAS_IPV6
 
 logging.basicConfig(level=logging.INFO)
 logging.getLogger('backoff').setLevel(logging.INFO)
@@ -42,29 +43,6 @@ test_container = 'nginx-proxy-pytest'
 #
 ###############################################################################
 
-def _has_ipv6(host: str) -> bool:
-    """Returns True if the system can bind an IPv6 address."""
-    sock = None
-    has_ipv6 = False
-
-    if socket.has_ipv6:
-        # has_ipv6 returns true if cPython was compiled with IPv6 support.
-        # It does not tell us if the system has IPv6 support enabled. To
-        # determine that we must bind to an IPv6 address.
-        # https://github.com/urllib3/urllib3/pull/611
-        # https://bugs.python.org/issue658327
-        try:
-            sock = socket.socket(socket.AF_INET6)
-            sock.bind((host, 0))
-            has_ipv6 = True
-        except Exception:
-            pass
-
-    if sock:
-        sock.close()
-    return has_ipv6
-
-HAS_IPV6 = _has_ipv6("::1")
 
 @contextlib.contextmanager
 def ipv6(force_ipv6=True):

test/requirements/python-requirements.txt

@@ -3,3 +3,4 @@ docker==7.1.0
 packaging==24.2
 pytest==8.3.4
 requests==2.32.3
+urllib3==2.3.0