_ssl3.py 文件源码

def _real_connect(self, addr, connect_ex):
        if self.server_side:
            raise ValueError("can't connect in server-side mode")
        # Here we assume that the socket is client-side, and not
        # connected at the time of the call.  We connect it, then wrap it.
        if self._connected:
            raise ValueError("attempt to connect already-connected SSLSocket!")
        self._sslobj = self.context._wrap_socket(self._sock, False, self.server_hostname)
        try:
            if connect_ex:
                rc = socket.connect_ex(self, addr)
            else:
                rc = None
                socket.connect(self, addr)
            if not rc:
                if self.do_handshake_on_connect:
                    self.do_handshake()
                self._connected = True
            return rc
        except socket_error:
            self._sslobj = None
            raise