import xmlrpc.client as xc
client = xc.Server('http://' + host + ':' + port + '/RPC2')
client.supervisor.getState()
client.supervisor.getProcessInfo('process name')

>>> import xmlrpc.client as xc
>>> client = xc.Server("http://127.0.0.1:8000/trac_test/rpc")
>>> client.system.listMethods()