https.py 文件源码

def connect(self):
        """Create SSL socket and connect to peer
        """
        if getattr(self, 'ssl_context', None):
            if not isinstance(self.ssl_context, SSL.Context):
                raise TypeError('Expecting OpenSSL.SSL.Context type for "'
                                'ssl_context" attribute; got %r instead' %
                                self.ssl_context)
            ssl_context = self.ssl_context
        else:
            ssl_context = SSL.Context(self.__class__.default_ssl_method)

        sock = socket.create_connection((self.host, self.port), self.timeout)

        # Tunnel if using a proxy - ONLY available for Python 2.6.2 and above      
        if getattr(self, '_tunnel_host', None):
            self.sock = sock
            self._tunnel()

        self.sock = SSLSocket(ssl_context, sock)

        # Go to client mode.
        self.sock.set_connect_state()