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from rdflib import Dataset, Graph, Literal, URIRef
def main():
# example for adding a quad
ds = Dataset()
g = Graph(identifier=URIRef("http://graph-a"))
ds.add_graph(g)
triple = (URIRef("http://subj-a"), URIRef("http://pred-a"), Literal("obj-a"))
ds.get_context(g.identifier).add(triple)
result = ds.serialize(format="patch", operation="add")
print("Add Quad Patch:")
print(result)
# alternate example for adding a quad
ds = Dataset()
quad = (
URIRef("http://subj-a"),
URIRef("http://pred-a"),
Literal("obj-a"),
Graph(identifier=URIRef("http://graph-a")),
)
ds.add(quad)
result = ds.serialize(format="patch", operation="add")
print("Add Quad Patch:")
print(result)
# example for adding a triple
ds = Dataset()
ds.add(triple)
result = ds.serialize(format="patch", operation="add")
print("\nAdd Triple Patch:")
print(result)
# Example for diff quads
quad_1 = (
URIRef("http://subj-a"),
URIRef("http://pred-a"),
Literal("obj-a"),
Graph(identifier=URIRef("http://graph-a")),
)
quad_2 = (
URIRef("http://subj-b"),
URIRef("http://pred-b"),
Literal("obj-b"),
Graph(identifier=URIRef("http://graph-b")),
)
quad_3 = (
URIRef("http://subj-c"),
URIRef("http://pred-c"),
Literal("obj-c"),
Graph(identifier=URIRef("http://graph-c")),
)
ds1 = Dataset()
ds2 = Dataset()
ds1.addN([quad_1, quad_2])
ds2.addN([quad_2, quad_3])
result = ds1.serialize(format="patch", target=ds2)
print("Diff Quad Patch:")
print(result)
if __name__ == "__main__":
main()
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