def connect(self):
        """ Connect to a host on a given (SSL) port.
            If ca_file is pointing somewhere, use it to check Server Certificate.

            Redefined/copied and extended from httplib.py:1105 (Python 2.6.x).
            This is needed to pass cert_reqs=ssl.CERT_REQUIRED as parameter to ssl.wrap_socket(),
            which forces SSL to check server certificate against our client certificate.
        """
        sock = socket.create_connection((self.host, self.port), self.timeout)
        if self._tunnel_host:
            self.sock = sock
            self._tunnel()
        # If there's no CA File, don't force Server Certificate Check
        if self.ca_file:
            self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, ca_certs=self.ca_file, cert_reqs=ssl.CERT_REQUIRED)
        else:
            self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, cert_reqs=ssl.CERT_NONE)
 Connect to a host on a given (SSL) port.
            If ca_file is pointing somewhere, use it to check Server Certificate.

            Redefined/copied and extended from httplib.py:1105 (Python 2.6.x).
            This is needed to pass cert_reqs=ssl.CERT_REQUIRED as parameter to ssl.wrap_socket(),
            which forces SSL to check server certificate against our client certificate.
        
recipes/Python/577548_HTTPS_httplib_Client_ConnectiCertificate/recipe-577548.py