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ontology.py
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ontology.py
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from datetime import datetime
from rdflib import Literal, BNode, URIRef
from rdflib.collection import Collection
from .namespaces import DCTERMS, SDO, RDFS, RDF, OWL, BRICK, SH, XSD, REF
from .version import BRICK_VERSION, BRICK_FULL_VERSION
# defines metadata about the Brick ontology
ontology = {
DCTERMS.creator: [
{
RDF.type: SDO.Person,
SDO.email: Literal("gtfierro@mines.edu"),
SDO.name: Literal("Gabe Fierro"),
},
{
RDF.type: SDO.Person,
SDO.email: Literal("jbkoh@eng.ucsd.edu"),
SDO.name: Literal("Jason Koh"),
},
],
DCTERMS.license: URIRef("https://github.com/BrickSchema/brick/blob/master/LICENSE"),
DCTERMS.issued: Literal("2016-11-16"),
DCTERMS.modified: Literal(datetime.now().strftime("%Y-%m-%d")),
DCTERMS.publisher: {
RDF.type: SDO.Consortium,
SDO.legalName: Literal("Brick Consortium, Inc"),
SDO.sameAs: URIRef("https://brickschema.org/consortium/"),
},
OWL.versionInfo: Literal(BRICK_FULL_VERSION),
RDFS.label: Literal("Brick"),
RDFS.seeAlso: URIRef("https://brickschema.org"),
}
# TODO: URL for RealEstateCore?
ontology_imports = {
"qudtschema": "http://qudt.org/2.1/schema/shacl/qudt",
"qudtoverlay": "http://qudt.org/2.1/schema/shacl/overlay/qudt",
"qudtfacade": "http://qudt.org/2.1/schema/facade/qudt",
"qudtsou": "http://qudt.org/2.1/vocab/sou",
"unit": "http://qudt.org/2.1/vocab/unit",
"currency": "http://qudt.org/2.1/vocab/currency",
"quantitykind": "http://qudt.org/2.1/vocab/quantitykind",
"dimensionvector": "http://qudt.org/2.1/vocab/dimensionvector",
"bacnet": "http://data.ashrae.org/bacnet/2020",
}
shacl_namespace_declarations = [
{
SH.namespace: Literal(str(RDF), datatype=XSD.anyURI),
SH.prefix: Literal("rdf"),
},
{
SH.namespace: Literal(str(RDFS), datatype=XSD.anyURI),
SH.prefix: Literal("rdfs"),
},
{
SH.namespace: Literal(str(BRICK), datatype=XSD.anyURI),
SH.prefix: Literal("brick"),
},
{
SH.namespace: Literal(str(OWL), datatype=XSD.anyURI),
SH.prefix: Literal("owl"),
},
{
SH.namespace: Literal(str(SH), datatype=XSD.anyURI),
SH.prefix: Literal("sh"),
},
{
SH.namespace: Literal(
"http://data.ashrae.org/standard223#", datatype=XSD.anyURI
),
SH.prefix: Literal("s223"),
},
{
SH.namespace: Literal(str(REF), datatype=XSD.anyURI),
SH.prefix: Literal("ref"),
},
]
BRICK_IRI_VERSION = URIRef(f"https://brickschema.org/schema/{BRICK_VERSION}/Brick")
def define_ontology(G):
G.add((BRICK_IRI_VERSION, RDF.type, OWL.Ontology))
G.add((BRICK_IRI_VERSION, RDFS.isDefinedBy, BRICK_IRI_VERSION))
# add creators from ontology markup above
creators = []
creator_list = BNode("ontology_creators")
for creator in ontology.pop(DCTERMS.creator):
creator1 = BNode(f"ontology_creator_{creator[SDO.name]}")
creators.append(creator1)
for k, v in creator.items():
G.add((creator1, k, v))
# add publisher info
publisher = BNode("publisher")
G.add((BRICK_IRI_VERSION, DCTERMS.publisher, publisher))
for k, v in ontology.pop(DCTERMS.publisher).items():
G.add((publisher, k, v))
Collection(G, creator_list, creators)
G.add((BRICK_IRI_VERSION, DCTERMS.creator, creator_list))
# add other simple attributes
for k, v in ontology.items():
G.add((BRICK_IRI_VERSION, k, v))
# add imports
for imp in ontology_imports.values():
G.add((BRICK_IRI_VERSION, OWL.imports, URIRef(imp)))
# add SHACL namespace/prefix declarations for SHACL rules
for declaration in shacl_namespace_declarations:
decl = BNode()
G.add((BRICK_IRI_VERSION, SH.declare, decl))
for k, v in declaration.items():
G.add((decl, k, v))
def define_extension(graph, defn):
graph_name = URIRef(defn["namespace"])
graph.add((graph_name, RDF.type, OWL.Ontology))
graph.add((graph_name, RDFS.isDefinedBy, graph_name))
# add creators from ontology markup above
creators = []
creator_list = BNode("ontology_creators")
for creator in ontology.pop(DCTERMS.creator, []):
if not creator:
break
creator1 = BNode(f"ontology_creator_{creator[SDO.name]}")
creators.append(creator1)
for k, v in creator.items():
graph.add((creator1, k, v))
if creators:
Collection(graph, creator_list, creators)
graph.add((graph_name, DCTERMS.creator, creator_list))
# add publisher info
publisher = BNode("publisher")
publishers = ontology.pop(DCTERMS.publisher, {})
for k, v in publishers.items():
graph.add((publisher, k, v))
if publishers:
graph.add((graph_name, DCTERMS.publisher, publisher))
# add imports
ontology_imports = defn.pop("imports", {})
for ns, imp in ontology_imports.items():
graph.add((graph_name, OWL.imports, URIRef(imp)))
graph.bind(ns, imp)
# add other simple attributes
for k, v in ontology.items():
graph.add((graph_name, k, v))
# add SHACL namespace/prefix declarations for SHACL rules
for pfx, ns in defn.pop("decls", {}).items():
decl = BNode()
graph.add((graph_name, SH.declare, decl))
graph.bind(pfx, ns)
graph.add((decl, SH.prefix, Literal(pfx)))
graph.add((decl, SH.namespace, Literal(str(ns), datatype=XSD.anyURI)))