1 from sfa.util.xrn import Xrn
2 from sfa.util.xml import XmlElement
4 from sfa.rspecs.elements.element import Element
5 from sfa.rspecs.elements.sliver import Sliver
6 from sfa.rspecs.elements.versions.nitosv1PLTag import NITOSv1PLTag
8 #from sfa.planetlab.plxrn import PlXrn
14 def add_slivers(xml, slivers):
17 if not isinstance(slivers, list):
19 for sliver in slivers:
20 sliver_elem = xml.add_instance('sliver', sliver, ['name'])
21 tags = sliver.get('tags', [])
24 NITOSv1Sliver.add_sliver_attribute(
25 sliver_elem, tag['tagname'], tag['value'])
26 if sliver.get('sliver_id'):
27 name = Xrn(xrn=sliver.get('sliver_id')
28 ).get_hrn().split('.')[-1]
29 sliver_elem.set('name', name)
32 def add_sliver_attribute(xml, name, value):
33 elem = xml.add_element(name)
37 def get_sliver_attributes(xml):
39 for elem in xml.iterchildren():
40 if elem.tag not in Sliver.fields:
41 xml_element = XmlElement(elem, xml.namespaces)
42 instance = Element(fields=xml_element, element=elem)
43 instance['name'] = elem.tag
44 instance['value'] = elem.text
45 attribs.append(instance)
49 def get_slivers(xml, filter=None):
52 xpath = './default:sliver | ./sliver'
53 sliver_elems = xml.xpath(xpath)
55 for sliver_elem in sliver_elems:
56 sliver = Sliver(sliver_elem.attrib, sliver_elem)
57 if 'component_id' in xml.attrib:
58 sliver['component_id'] = xml.attrib['component_id']
59 sliver['tags'] = NITOSv1Sliver.get_sliver_attributes(sliver_elem)
60 slivers.append(sliver)