def add_skos_hierarachy(self, parent_uri, child_uri):
""" Add a hiearchy assertion for
linked entities
"""
try:
parent = LinkEntity.objects.get(uri=parent_uri)
except LinkEntity.DoesNotExist:
parent = False
try:
child = LinkEntity.objects.get(uri=child_uri)
except LinkEntity.DoesNotExist:
child = False
if parent is not False and child is not False:
lr = LinkRecursion()
exiting_parents = lr.get_entity_parents(child_uri)
if len(exiting_parents) >= 1:
print('Child has parents: ' + str(exiting_parents))
else:
# child is not already in a hieararchy, ok to put it in one
la = LinkAnnotation()
la.subject = child.uri # the subordinate is the subject
la.subject_type = 'uri'
la.project_uuid = self.project_uuid
la.source_id = self.source_id + '-hierarchy'
la.predicate_uri = self.PRED_SBJ_IS_SUB_OF_OBJ
la.object_uri = parent.uri # the parent is the object
la.save()
print('Made: ' + child.uri + ' child of: ' + parent.uri)
else:
print('Cannot find parent or child')
def add_skos_hierarachy(self, parent_uri, child_uri):
""" Add a hiearchy assertion for
linked entities
"""
try:
parent = LinkEntity.objects.get(uri=parent_uri)
except LinkEntity.DoesNotExist:
parent = False
try:
child = LinkEntity.objects.get(uri=child_uri)
except LinkEntity.DoesNotExist:
child = False
if parent is not False and child is not False:
lr = LinkRecursion()
exiting_parents = lr.get_entity_parents(child_uri)
if len(exiting_parents) >= 1:
print('Child has parents: ' + str(exiting_parents))
else:
# child is not already in a hieararchy, ok to put it in one
la = LinkAnnotation()
la.subject = child.uri # the subordinate is the subject
la.subject_type = 'uri'
la.project_uuid = self.project_uuid
la.source_id = self.source_id + '-hierarchy'
la.predicate_uri = self.PRED_SBJ_IS_SUB_OF_OBJ
la.object_uri = parent.uri # the parent is the object
la.save()
print('Made: ' + child.uri + ' child of: ' + parent.uri)
else:
print('Cannot find parent or child')
def get_new_hierarchic_types(self, revision_date):
""" Gets a list of types items revised after a date with
the default delimiter for hierachy, but no superior
concept
"""
rdate = datetime.strptime(revision_date, '%Y-%m-%d')
new_hierarchic_list = []
hi_types = Manifest.objects.filter(item_type='types',
label__contains=self.HIERARCHY_DELIM,
revised__gte=rdate)
if(len(hi_types) > 0):
for hi_type in hi_types:
lr = LinkRecursion()
lr.get_entity_parents(hi_type.uuid)
if(len(lr.parent_entities) < 1):
# no superior parents found
new_hierarchic_list.append(hi_type)
return new_hierarchic_list
def get_new_hierarchic_types(self, revision_date):
""" Gets a list of types items revised after a date with
the default delimiter for hierachy, but no superior
concept
"""
rdate = datetime.strptime(revision_date, '%Y-%m-%d')
new_hierarchic_list = []
hi_types = Manifest.objects.filter(
item_type='types',
label__contains=self.HIERARCHY_DELIM,
revised__gte=rdate)
if (len(hi_types) > 0):
for hi_type in hi_types:
lr = LinkRecursion()
lr.get_entity_parents(hi_type.uuid)
if (len(lr.parent_entities) < 1):
# no superior parents found
new_hierarchic_list.append(hi_type)
return new_hierarchic_list
