@staticmethod
    def get_node_objs(node_elems):
        nodes = []    
        for node_elem in node_elems:
            node = Node(node_elem.attrib, node_elem)
            if 'site_id' in node_elem.attrib:
                node['authority_id'] = node_elem.attrib['site_id']
            # get location
            location_elems = node_elem.xpath('./default:location | ./location')
            locations = [loc_elem.get_instance(Location) for loc_elem in location_elems]  
            if len(locations) > 0:
                node['location'] = locations[0]
            # get bwlimit
            bwlimit_elems = node_elem.xpath('./default:bw_limit | ./bw_limit')
            bwlimits = [bwlimit_elem.get_instance(BWlimit) for bwlimit_elem in bwlimit_elems]
            if 0 > len(bwlimits):
                node['bwlimit'] = bwlimits[0]
            # get interfaces
            iface_elems = node_elem.xpath('./default:interface | ./interface')
            ifaces = [iface_elem.get_instance(Interface) for iface_elem in iface_elems]
            node['interfaces'] = ifaces
            # get services
            node['services'] = PGv2Services.get_services(node_elem) 
            # get slivers
            node['slivers'] = NITOSv1Sliver.get_slivers(node_elem)
            # get tags
            node['tags'] =  NITOSv1PLTag.get_pl_tags(node_elem, ignore=Node.fields+["hardware_type"])
            # get hardware types
            hardware_type_elems = node_elem.xpath('./default:hardware_type | ./hardware_type')
            node['hardware_types'] = [hw_type.get_instance(HardwareType) for hw_type in hardware_type_elems]

            # temporary... play nice with old slice manager rspec
            if not node['component_name']:
                hostname_elem = node_elem.find("hostname")
                if hostname_elem != None:
                    node['component_name'] = hostname_elem.text

            nodes.append(node)
        return nodes
dataset/ETHPy150Open fp7-ofelia/ocf/optin_manager/src/python/openflow/optin_manager/sfa/rspecs/elements/versions/nitosv1Node.py/NITOSv1Node.get_node_objs/swapped operands of `>`