Sliver.state parameter is encoded incorrectly in XML serialization

[chaos@bbn.com]

When instantiating a sliver, i pass along the value "Up" for the sliver state. This code:

  print "State = %s" % sinfo['state']
  slivers[sliver] = gmoc.Sliver(
    sliver,
    expires = expiration_time,
    state = sinfo['state'],
    aggregate = aggregate,
    creator = users['urn:publicid:IDN+pgeni.gpolab.bbn.com+user+chaos'],
  )

yields:

State = Up

and no error is thrown by Sliver.__init__().

At serialization time, this code:

            s = sliver.toXML(doc, node)
            print sliver.state
            print s.toprettyxml()

yields:

Up
<sliver created="1342549645" creator="urn:publicid:IDN+pgeni.gpolab.bbn.com+user+chaos" expires="1348992000" local_name="urn:publicid:IDN+pgeni.gpolab.bbn.com+slice+chaos-montreve-macaddr:b72b0a06-beb9-4be2-94ba-cfbd8654ad82" slice_urn="urn:publicid:IDN+pgeni.gpolab.bbn.com+slice+chaos-montreve-macaddr" slice_uuid="ff6d2b12-f10e-11e0-bf86-000c29f89f7b" state="Unknown" uuid="b72b0a06-beb9-4be2-94ba-cfbd8654ad82">

The state is still known to the sliver object as "Up", but is encoded as "Unknown" by XML serialization.

[chaos@bbn.com]

In v0.5.2, my submitted value of "Up" is rejected by Sliver.__init__(), and when i instead submit gmoc.SLIVER_STATE_UP, it is correctly serialized into the value "Up":

                <sliver approved="1" created="1342549645" creator="urn:publicid:IDN+pgeni.gpolab.bbn.com+user+chaos" expires="1348992000" local_name="urn:public
id:IDN+pgeni.gpolab.bbn.com+slice+chaos-montreve-macaddr:b72b0a06-beb9-4be2-94ba-cfbd8654ad82" slice_urn="urn:publicid:IDN+pgeni.gpolab.bbn.com+slice+chaos-montreve-macaddr" slice_uuid="ff6d2b12-f10e-11e0-bf86-000c29f89f7b" state="Up" uuid=
"b72b0a06-beb9-4be2-94ba-cfbd8654ad82">