# 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]
# 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]