How is the other computer sending the information? If it is using VRPN, then you can use Vizards builtin VRPN client plugin. If it is using its own network format, then you can use the Python socket library to send/receive raw data over the network. Here is a link to a forum post which provides sample code for using the socket library:
http://www.worldviz.com/forum/showthread.php?t=1126