def OBSOLETE_update_xml_index(self):
     '''
     Re-updates the xml index, could be useful if this becomes long running and there are changes to
     the xml files, etc.
     '''
     
     self.xmlIndex = {}
     try:
         for dpath, dnames, files in ConfigSpace.config_walk( "xmlcalibrations" ):
             for file in files:
                 self.xmlIndex.update( {file:os.path.join(str(dpath), file)} )
         #print "CDL30", self.xmlIndex
     except:
         raise "Could not load XML Index."