from lxml import etree

filename = ''

xml = etree.parse(filename)

output = []
for reporthost in xml.xpath('//ReportHost'):
	name = reporthost.attrib['name']
	out = {'name' : name, 'ports': []}
	for synscanned in reporthost.xpath('ReportItem[@pluginName="Nessus SYN scanner"]'):
		port = {'proto': synscanned.attrib['protocol'], 'svc': synscanned.attrib['svc_name'], 'nr': synscanned.attrib['port']}
		out['ports'].append(port)
	output.append(out)