ipv6_test.py

selftesthost = "test-ipv6.sabnzbd.org"
#selftesthost = "test-ipv6.sabnzbd.org"

import socket
import logging
logging.basicConfig(level=logging.DEBUG)

def test_ipv6():
    """ Check if external IPv6 addresses are reachable """
    if not selftesthost:
        # User disabled the test, assume active IPv6
        return True
    try:
        # info = socket.getaddrinfo(cfg.selftest_host(), 443, socket.AF_INET6, socket.SOCK_STREAM, socket.IPPROTO_IP, socket.AI_CANONNAME)
        info = socket.getaddrinfo(selftesthost, 443, socket.AF_INET6, socket.SOCK_STREAM, socket.IPPROTO_IP, socket.AI_CANONNAME)

    except:
        logging.debug("Test IPv6: Disabling IPv6, because it looks like it's not available. Reason: %s", sys.exc_info()[0] )
        return False

    try:
        af, socktype, proto, canonname, sa = info[0]
        sock = socket.socket(af, socktype, proto)
        sock.settimeout(2)  # 2 second timeout
        sock.connect(sa[0:2])
        sock.close()
        logging.debug('Test IPv6: IPv6 test successful. Enabling IPv6')
        return True
    except socket.error:
        logging.debug('Test IPv6: Cannot reach IPv6 test host. Disabling IPv6')
        return False
    except:
        logging.debug('Test IPv6: Problem during IPv6 connect. Disabling IPv6. Reason: %s', sys.exc_info()[0])
        return False


print test_ipv6()