Blocking mouse/keyboard input.

Hello,

I have done a little aplication that does a remote connection to other machine
and opens a vncclient to connect to the VNC in other machine (it's just for a
network monitorization).

Now I need that I can enable/disable the input of the keyboard/mouse both
windows and Linux, any good idea about how to block the keyboard/mouse in
python? any ioctl and win dll to do it?

Thanks in advance,
Alejandro.