def add_interface(self, params, domain):
     interface = xmlgenerator.interface_xml(params)
     interface_node = domain.importNode(interface.childNodes[0], True)
     domain.getElementsByTagName("devices")[0].insertBefore(
     interface_node, domain.getElementsByTagName("console")[0])
     return interface
 def build_interface(self, params):
     interface = xmlgenerator.interface_xml(params)
     if __DEBUG__:
         self.write_toxml(interface)
     return interface.toxml()