My problem is that I don't know how to create a graph_object that remains persistent through time (it has to be the same graph_object for
One possibility is to have a remote procedure call server that stores the graph running seperately from your wab application.
Your web application then simply calls the rpc which is running in a seperate process which gives you the persistence.
A good choice is the xmlrpc module in the standard python distribution, which makes it simple to comunicate between processes.
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