+ @staticmethod
+ def add_link_requests(xml, link_tuples, append=False):
+ if not isinstance(link_tuples, set):
+ link_tuples = set(link_tuples)
+
+ available_links = PGv2Link.get_links(xml)
+ recently_added = []
+ for link in available_links:
+ auth = Xrn(link['component_id']).get_authority_hrn()
+ if_name1 = Xrn(link['interface1']['component_id']).get_leaf()
+ if_name2 = Xrn(link['interface2']['component_id']).get_leaf()
+
+ requested_link = None
+ l_tup_1 = (if_name1, if_name2)
+ l_tup_2 = (if_name2, if_name1)
+ if link_tuples.issuperset([(if_name1, if_name2)]):
+ requested_link = (if_name1, if_name2)
+ elif link_tuples.issuperset([(if_name2, if_name2)]):
+ requested_link = (if_name2, if_name1)
+
+ if requested_link:
+ # add client id to link ane interface elements
+ link.element.set('client_id', link['component_name'])
+ link['interface1'].element.set('client_id', Xrn(link['interface1']['component_id']).get_leaf())
+ link['interface2'].element.set('client_id', Xrn(link['interface2']['component_id']).get_leaf())
+ recently_added.append(link['component_name'])
+
+ if not append:
+ # remove all links that don't have a client id
+ for link in PGv2Link.get_links(xml):
+ if not link['client_id'] or link['component_name'] not in recently_added:
+ parent = link.element.getparent()
+ parent.remove(link.element)
+
+ @staticmethod
+ def get_link_requests(xml):
+ link_requests = []
+ for link in PGv2Link.get_links(xml):
+ if link['client_id'] != None:
+ link_requests.append(link)
+ return link_requests