2 from PyQt4.QtCore import *
3 from PyQt4.QtGui import *
6 from sfa.util.record import SfaRecord, SliceRecord, AuthorityRecord
7 from sfa.rspecs.rspec_parser import parse_rspec
8 from sface.config import config
14 def getAuthorityHrns(self, type=None):
16 if os.path.exists(config.getAuthorityListFile()):
17 xml = open(config.getAuthorityListFile()).read()
18 tree = etree.fromstring(xml)
19 records = tree.xpath("//recordlist/record")
21 for record in records:
22 recType = record.attrib.get("type", None)
23 recHrn = record.attrib.get("hrn", None)
24 if (type==None) or (type==recType):
29 def getSliceRecord(self):
30 rec_file = config.getSliceRecordFile()
31 if os.path.exists(rec_file):
32 xml = open(rec_file).read()
34 rec.load_from_string(xml)
38 def purgeNonSliceResources(self, rspec):
39 networks = rspec.get_networks()
40 for network in networks:
41 all_nodes = rspec.get_nodes(network)
42 sliver_nodes = rspec.get_nodes_with_slivers(network)
43 available_nodes = [ node for node in all_nodes if node not in sliver_nodes ]
45 for node in available_nodes:
46 node_elem = rspec.get_node_element(node, network)
47 parent = node_elem.xpath("..")[0]
48 parent.remove(node_elem)
50 def getSliceRSpec(self):
51 rspec_file = config.getSliceRSpecFile()
52 if os.path.exists(rspec_file):
53 xml = open(rspec_file).read()
54 rspec = parse_rspec(xml)
56 self.purgeNonSliceResources(rspec)
61 def getResourcesRSpec(self):
62 rspec_file = config.getResourcesRSpecFile()
63 if os.path.exists(rspec_file):
64 xml = open(rspec_file).read()
65 return parse_rspec(xml)