There are a few options here: 1) Download the old spanning tree module source and compile it into your zaku
The original spanning tree code is available from: http://www.openflow.org/wk/index.php/Basic_Spanning_Tree But it's for an older version and will need a little work to get it running in zaku. I wrote a message on the mailing list about this: http://www.mail-archive.com/nox-dev@noxrepo.org/msg02801.html 2) Just comment out all the messenger stuff Start with that import statement on line 27 that you've got, and then just comment out every line that causes an error that shakes out. This should work. I believe all of that is just to share spanning-tree related events through the messenger (likely for the GUI to visualize them). Since that doesn't exist in zaku, you don't care and can just remove it all. 3) Switch to destiny I think most people should be using destiny now. Hope that helps. -- Murphy On Aug 17, 2011, at 7:56 PM, Min-Hyup KANG wrote: > Hi, > > I know there is spanning_tree on Destiny, > But I'd like to use spanning_tree component on NOX zaku, > and I can't operate spanning_tree component on zaku. and I can see error > message. > > In order to use the spanning_tree, should I use destiny ? > is there a any way to use spanning_tree on zaku ? > > any suggestion ? > Thanks ! > > 00072|nox|ERR:Cannot change the state of 'spanning_tree' to INSTALLED: > 'spanning_tree' ran into an error: > cannot import a Python module 'nox.netapps.spanning_tree.spanning_tree': > Traceback (most recent call last): > File "./nox/netapps/spanning_tree/spanning_tree.py", line 27, in > <module> > from nox.coreapps.messenger.pyjsonmsgevent import JSONMsg_event > ImportError: No module named pyjsonmsgevent > > > > > > > > Best Regards, > Min-Hyup KANG > > _______________________________________________ > nox-dev mailing list > nox-dev@noxrepo.org > http://noxrepo.org/mailman/listinfo/nox-dev
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