def from_rdf(self, json_ld_node):
# Expects a label and a concept URI within the json_ld_node
# FIXME: SHOULD be able to handle cases when the label is not supplied,
# or if the label does not match any label from the ConceptValue
# Either by instantiating a keyword without a concept_id or by
# or by looking for say an external identifier attached to the concept and
# building upon that.
try:
# assume a list, and as this is a ConceptDataType, assume a single entry
json_ld_node = json_ld_node[0]
except KeyError as e:
pass
concept_uri = json_ld_node.get('@id')
label_node = json_ld_node.get(str(RDFS.label))
# Consume the labels, such that we don't recurse into them
if label_node:
del json_ld_node[str(RDFS.label)]
concept_id = lang = None
import re
p = re.compile(
r"(http|https)://(?P<host>[^/]*)/concepts/(?P<concept_id>[A-Fa-f0-9\-]*)/?$"
)
m = p.match(concept_uri)
if m is not None:
concept_id = m.groupdict().get("concept_id")
else:
# could be an external id, rather than an Arches only URI
hits = [
ident for ident in models.Value.objects.all().filter(
value__exact=str(concept_uri),
valuetype__category="identifiers")
]
# print("Could be external URI - hits from RDM: {0}".format(len(hits)))
if len(hits) == 1:
concept_id = hits[0].concept_id
# Still need to find the label or prefLabel for this concept
else:
print(
"ERROR: Multiple hits for {0} external identifier in RDM:".
format(concept_uri))
for hit in hits:
print("ConceptValue {0}, Concept {1} - '{2}'".format(
hit.valueid, hit.conceptid, hit.value))
# print("Trying to get a label from the concept node.")
if label_node:
label, lang = get_value_from_jsonld(label_node)
if label:
# Could be:
# - Blank node E55_Type with a label - a Keyword
# - Concept ID URI, with a label - a conventional Concept
# - Concept ID via an external URI, hosted in Arches
# find a matching Concept Value to the label
values = get_valueids_from_concept_label(
label, concept_id, lang)
if values:
return values[0]["id"]
else:
if concept_id:
# print("FAILED TO FIND MATCHING LABEL '{0}'@{2} FOR CONCEPT '{1}' in ES").format(
# label, concept_id, lang)
# print("Attempting a match from label via the DB:")
hits = [
ident
for ident in models.Value.objects.all().filter(
value__exact=label)
]
if hits and len(hits) == 1:
# print "FOUND: %s" % hits[0].pk
return str(hits[0].pk)
label = None
else:
print("No Concept ID URI supplied for rdf")
else:
label = None
if concept_id and label is None:
# got a concept URI but the label is nonexistant
# or cannot be resolved in Arches
value = get_preflabel_from_conceptid(concept_id, lang=lang)
return value['id']
if concept_id is None and (label is None or label == ""):
print(
"Concept lookup in from_rdf FAILED: No concept id found and no label either"
)
# a keyword of some type. If the code execution gets here their either
# was no RDFS:label literal value to note or the keyword cannot be found
# amongst the current Arches ConceptValues
pass
def from_rdf(self, json_ld_node):
# Expects a label and a concept URI within the json_ld_node
# But might not always get them both.
try:
# assume a list, and as this is a ConceptDataType, assume a single entry
json_ld_node = json_ld_node[0]
except KeyError as e:
pass
concept_uri = json_ld_node.get("@id")
label_node = json_ld_node.get(str(RDFS.label))
concept_id = lang = None
import re
# FIXME: This should use settings for host and check for UUID
p = re.compile(r"(http|https)://(?P<host>[^/]*)/concepts/(?P<concept_id>[A-Fa-f0-9\-]*)/?$")
m = p.match(concept_uri)
if m is not None:
concept_id = m.groupdict().get("concept_id")
else:
# could be an external id, rather than an Arches only URI
hits = [ident for ident in models.Value.objects.all().filter(value__exact=str(concept_uri), valuetype__category="identifiers")]
if len(hits) == 1:
concept_id = hits[0].concept_id
else:
print("ERROR: Multiple hits for {0} external identifier in RDM:".format(concept_uri))
for hit in hits:
print("ConceptValue {0}, Concept {1} - '{2}'".format(hit.valueid, hit.conceptid, hit.value))
# Just try the first one and hope
concept_id = hits[0].concept_id
if label_node:
label, lang = get_value_from_jsonld(label_node)
if label:
values = get_valueids_from_concept_label(label, concept_id, lang)
if values:
return values[0]["id"]
else:
if concept_id:
hits = [ident for ident in models.Value.objects.all().filter(value__exact=label)]
if hits and len(hits) == 1:
return str(hits[0].pk)
label = None
else:
print("No Concept ID URI supplied for rdf")
else:
label = None
if concept_id and label is None:
value = get_preflabel_from_conceptid(concept_id, lang=lang)
if value["id"]:
return value["id"]
else:
hits = [ident for ident in models.Value.objects.all()]
if hits:
return str(hits[0].pk)
else:
print(f"No labels for concept: {concept_id}!")
return None
else:
# No concept_id means not in RDM at all
return None
