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Read base URI from actual model #206

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Read base URI from actual model #206

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36 changes: 24 additions & 12 deletions spec_parser/rdf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,19 +10,31 @@
from rdflib.namespace import DCTERMS, OWL, RDF, RDFS, SH, SKOS, XSD
from rdflib.tools.rdf2dot import rdf2dot

URI_BASE = "https://spdx.org/rdf/3.1/terms/"

logger = logging.getLogger(__name__)

def gen_rdf(model, outpath, cfg):
p = outpath

ret = gen_rdf_ontology(model)
base_uri = "https://spdx.org/rdf/3.1/terms/"
# Determine actual base URI from Core namespace:
# https://spdx.org/rdf/<version>/terms/Core/
# -> https://spdx.org/rdf/<version>/terms/
for ns in model.namespaces:
if ns.name == "Core":
iri = ns.iri
if iri.endswith("/Core/"):
base_uri = iri[: -len("Core/")]
elif iri.endswith("/Core"):
base_uri = iri[: -len("Core")]
break

ret = gen_rdf_ontology(model, base_uri)
for ext in ["hext", "json-ld", "longturtle", "n3", "nt", "pretty-xml", "trig", "ttl", "xml"]:
f = p / ("spdx-model." + ext)
ret.serialize(f, format=ext, encoding="utf-8")

ctx = jsonld_context(ret)
ctx = jsonld_context(ret, base_uri)
fn = p / "spdx-context.jsonld"
with fn.open("w") as f:
json.dump(ctx, f, sort_keys=True, indent=2)
Expand All @@ -40,13 +52,13 @@ def xsd_range(rng, propname):
return None


def gen_rdf_ontology(model):
def gen_rdf_ontology(model, base_uri: str):
g = Graph()
g.bind("spdx", Namespace(URI_BASE))
g.bind("spdx", Namespace(base_uri))
OMG_ANN = Namespace("https://www.omg.org/spec/Commons/AnnotationVocabulary/")
g.bind("omg-ann", OMG_ANN)

node = URIRef(URI_BASE)
node = URIRef(base_uri)
g.add((node, RDF.type, OWL.Ontology))
g.add((node, OWL.versionIRI, node))
g.add((node, RDFS.label, Literal("System Package Data Exchange™ (SPDX®) Ontology", lang="en")))
Expand All @@ -71,7 +83,7 @@ def gen_rdf_ontology(model):
gen_rdf_properties(model, g)
# gen_rdf_datatypes(model, g)
gen_rdf_vocabularies(model, g)
gen_rdf_individuals(model, g)
gen_rdf_individuals(model, g, base_uri)

return g

Expand Down Expand Up @@ -233,9 +245,9 @@ def gen_rdf_vocabularies(model, g):
g.add((enode, RDFS.comment, Literal(d, lang="en")))


def gen_rdf_individuals(model, g):
def gen_rdf_individuals(model, g, base_uri: str):
def ci_ref(s):
return URIRef(URI_BASE + "Core/" + s)
return URIRef(base_uri + "Core/" + s)

for i in model.individuals.values():
ci_node = URIRef("https://spdx.org/rdf/3.1/creationInfo_" + i.name)
Expand All @@ -259,7 +271,7 @@ def ci_ref(s):
g.add((node, OWL.sameAs, URIRef(custom_iri)))


def jsonld_context(g):
def jsonld_context(g, base_uri: str):
terms = dict()

def get_subject_term(subject):
Expand Down Expand Up @@ -308,7 +320,7 @@ def get_subject_term(subject):
except ValueError:
continue

if base != URI_BASE.rstrip("/"):
if base != base_uri.rstrip("/"):
continue

key = name if ns == "Core" else ns.lower() + "_" + name
Expand All @@ -320,7 +332,7 @@ def get_subject_term(subject):

terms[key] = get_subject_term(subject)

terms["spdx"] = URI_BASE
terms["spdx"] = base_uri
terms["spdxId"] = "@id"
terms["type"] = "@type"

Expand Down