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Merge pull request #108 from jmccrae/shacl
Implement SHACL validation
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87 changes: 87 additions & 0 deletions
87
dmlex-v1.0/specification/serializations/RDF/gen_shacl_from_rdf.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| import rdflib | ||
| from collections import defaultdict | ||
| from rdflib.namespace import RDF, RDFS, OWL, URIRef | ||
| from rdflib.collection import Collection | ||
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| DMLEX = "http://www.oasis-open.org/to-be-confirmed/dmlex#" | ||
| DMLEX_SHACL = "http://www.oasis-open.org/to-be-confirmed/dmlex-shacl#" | ||
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| def parse_rdf(): | ||
| g = rdflib.Graph() | ||
| g.parse("ontology/dmlex.ttl", format="turtle") | ||
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| props = defaultdict(list) | ||
| for s, p, o in g.triples((None, RDFS.domain, None)): | ||
| if isinstance(o, rdflib.term.URIRef): | ||
| if str(o).startswith(DMLEX + "Has"): | ||
| for domain_class in g.subjects(RDFS.subClassOf, o): | ||
| props[domain_class].append(s) | ||
| else: | ||
| props[o].append(s) | ||
| else: | ||
| for listname in g.objects(o, OWL.unionOf): | ||
| for item in Collection(g, listname): | ||
| props[item].append(s) | ||
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| ranges = defaultdict(list) | ||
| for s, p, o in g.triples((None, RDFS.range, None)): | ||
| if isinstance(o, rdflib.term.URIRef): | ||
| ranges[s].append(o) | ||
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| with open("ontology/dmlex.shacl", "w") as file: | ||
| file.write("# This file was generated from dmlex.ttl by " + | ||
| "gen_shacl_from_rdf.py\n") | ||
| file.write("@prefix sh: <http://www.w3.org/ns/shacl#> .\n") | ||
| file.write(f"@prefix dmlex: <{DMLEX}> .\n") | ||
| file.write(f"@prefix : <{DMLEX_SHACL}> .\n\n") | ||
| for class_uri in g.subjects(RDF.type, OWL.Class): | ||
| if (isinstance(class_uri, rdflib.term.URIRef) and | ||
| not str(class_uri).startswith(DMLEX + "Has")): | ||
| uri = str(class_uri) | ||
| name = uri.split("#")[-1] | ||
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| subclasses = [] | ||
| restrictions = defaultdict(lambda: defaultdict(lambda: [0,-1])) | ||
| for o in g.objects(class_uri, RDFS.subClassOf): | ||
| if (isinstance(o, rdflib.term.URIRef) and | ||
| not str(o).startswith(DMLEX + "Has")): | ||
| subclasses.append(str(o)) | ||
| elif isinstance(o, rdflib.term.BNode): | ||
| for o2 in g.objects(o, OWL.onProperty): | ||
| for o3 in g.objects(o, OWL.cardinality): | ||
| restrictions[class_uri][o2] = [o3, o3] | ||
| for o3 in g.objects(o, OWL.maxCardinality): | ||
| restrictions[class_uri][o2] = [0, o3] | ||
| for o3 in g.objects(o, OWL.minCardinality): | ||
| restrictions[class_uri][o2] = [o3, -1] | ||
| file.write(f""" | ||
| :{name}Shape ; | ||
| a sh:NodeShape ; | ||
| sh:targetClass dmlex:{name} ; | ||
| sh:closed false""") | ||
| for prop in props[class_uri]: | ||
| file.write(f""" ; | ||
| sh:property [ | ||
| sh:path dmlex:{prop.split("#")[-1]} """) | ||
| if prop in restrictions[class_uri]: | ||
| min_card, max_card = restrictions[class_uri][prop] | ||
| if min_card >= 0: | ||
| file.write(f""" ; | ||
| sh:minCount {min_card}""") | ||
| if max_card >= 0: | ||
| file.write(f""" ; | ||
| sh:maxCount {max_card}""") | ||
| for range in ranges[prop]: | ||
| if range.startswith(DMLEX): | ||
| file.write(f""" ; | ||
| sh:class dmlex:{range.split("#")[-1]} """) | ||
| file.write(" ]") | ||
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| file.write(" .\n\n") | ||
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| if __name__ == "__main__": | ||
| parse_rdf() |
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