Python socket.EAI_ADDRFAMILY Examples

def test_ipv6(self):
        try:
            [sock] = bind_sockets(None, '::1', family=socket.AF_INET6)
            port = sock.getsockname()[1]
            self.http_server.add_socket(sock)
        except socket.gaierror as e:
            if e.args[0] == socket.EAI_ADDRFAMILY:
                # python supports ipv6, but it's not configured on the network
                # interface, so skip this test.
                return
            raise
        url = '%s://[::1]:%d/hello' % (self.get_protocol(), port)

        # ipv6 is currently enabled by default but can be disabled
        self.http_client.fetch(url, self.stop, allow_ipv6=False)
        response = self.wait()
        self.assertEqual(response.code, 599)

        self.http_client.fetch(url, self.stop)
        response = self.wait()
        self.assertEqual(response.body, b"Hello world!") 

def test_ipv6(self):
        try:
            [sock] = bind_sockets(None, '::1', family=socket.AF_INET6)
            port = sock.getsockname()[1]
            self.http_server.add_socket(sock)
        except socket.gaierror as e:
            if e.args[0] == socket.EAI_ADDRFAMILY:
                # python supports ipv6, but it's not configured on the network
                # interface, so skip this test.
                return
            raise
        url = '%s://[::1]:%d/hello' % (self.get_protocol(), port)

        # ipv6 is currently enabled by default but can be disabled
        self.http_client.fetch(url, self.stop, allow_ipv6=False)
        response = self.wait()
        self.assertEqual(response.code, 599)

        self.http_client.fetch(url, self.stop)
        response = self.wait()
        self.assertEqual(response.body, b"Hello world!") 

def test_ipv6(self):
        try:
            self.http_server.listen(self.get_http_port(), address='::1')
        except socket.gaierror as e:
            if e.args[0] == socket.EAI_ADDRFAMILY:
                # python supports ipv6, but it's not configured on the network
                # interface, so skip this test.
                return
            raise
        url = self.get_url("/hello").replace("localhost", "[::1]")

        # ipv6 is currently disabled by default and must be explicitly requested
        self.http_client.fetch(url, self.stop)
        response = self.wait()
        self.assertEqual(response.code, 599)

        self.http_client.fetch(url, self.stop, allow_ipv6=True)
        response = self.wait()
        self.assertEqual(response.body, b"Hello world!") 

def test_ipv6(self):
        try:
            self.http_server.listen(self.get_http_port(), address='::1')
        except socket.gaierror as e:
            if e.args[0] == socket.EAI_ADDRFAMILY:
                # python supports ipv6, but it's not configured on the network
                # interface, so skip this test.
                return
            raise
        url = self.get_url("/hello").replace("localhost", "[::1]")

        # ipv6 is currently disabled by default and must be explicitly requested
        self.http_client.fetch(url, self.stop)
        response = self.wait()
        self.assertEqual(response.code, 599)

        self.http_client.fetch(url, self.stop, allow_ipv6=True)
        response = self.wait()
        self.assertEqual(response.body, b"Hello world!") 

def test_ipv6(self):
        try:
            [sock] = bind_sockets(None, '::1', family=socket.AF_INET6)
            port = sock.getsockname()[1]
            self.http_server.add_socket(sock)
        except socket.gaierror as e:
            if e.args[0] == socket.EAI_ADDRFAMILY:
                # python supports ipv6, but it's not configured on the network
                # interface, so skip this test.
                return
            raise
        url = '%s://[::1]:%d/hello' % (self.get_protocol(), port)

        # ipv6 is currently enabled by default but can be disabled
        self.http_client.fetch(url, self.stop, allow_ipv6=False)
        response = self.wait()
        self.assertEqual(response.code, 599)

        self.http_client.fetch(url, self.stop)
        response = self.wait()
        self.assertEqual(response.body, b"Hello world!") 

def test_ipv6(self):
        if not socket.has_ipv6:
            # python compiled without ipv6 support, so skip this test
            return
        try:
            self.http_server.listen(self.get_http_port(), address='::1')
        except socket.gaierror, e:
            if e.args[0] == socket.EAI_ADDRFAMILY:
                # python supports ipv6, but it's not configured on the network
                # interface, so skip this test.
                return
            raise 

def _gen_addresses_where_possible(hostname):
    """Yield IPv4 and IPv6 addresses for `hostname`.

    A variant of `_gen_addresses` that ignores some resolution failures. The
    addresses returned are only those that are resolvable at the time this
    function is called. Specifically the following errors are ignored:

      +----------------+-----------------------------------------------+
      | EAI_ADDRFAMILY | The specified network host does not have any  |
      |                | network addresses in the requested address    |
      |                | family.                                       |
      +----------------+-----------------------------------------------+
      | EAI_AGAIN      | The name server returned a temporary failure  |
      |                | indication. Try again later.                  |
      +----------------+-----------------------------------------------+
      | EAI_FAIL       | The name server returned a permanent failure  |
      |                | indication.                                   |
      +----------------+-----------------------------------------------+
      | EAI_NODATA     | The specified network host exists, but does   |
      |                | not have any network addresses defined.       |
      +----------------+-----------------------------------------------+
      | EAI_NONAME     | The node or service is not known; or both node|
      |                | and service are NULL; or AI_NUMERICSERV was   |
      |                | specified and service was not a numeric       |
      |                | port-number string.                           |
      +----------------+-----------------------------------------------+

    Descriptions from getaddrinfo(3).
    """
    try:
        yield from _gen_addresses(hostname)
    except socket.gaierror as error:
        if error.errno in _gen_addresses_where_possible_suppress:
            # Log this but otherwise suppress/ignore for now.
            logger.warning("Could not resolve %s: %s", hostname, error)
        else:
            raise