def get_slivers(xml, filter={}):
xpath = './default:sliver_type | ./sliver_type'
sliver_elems = xml.xpath(xpath)
slivers = []
for sliver_elem in sliver_elems:
sliver = Sliver(sliver_elem.attrib,sliver_elem)
if 'component_id' in xml.attrib:
sliver['component_id'] = xml.attrib['component_id']
if 'name' in sliver_elem.attrib:
sliver['type'] = sliver_elem.attrib['name']
sliver['disk_image'] = PGv2DiskImage.get_images(sliver_elem)
sliver['fw_rules'] = PLOSv1FWRule.get_rules(sliver_elem)
slivers.append(sliver)
return slivers
