examples updates, some slice fixes

1 files changed, 26 insertions, 0 deletions

diff --git a/examples/slice.py b/examples/slice.py
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+++ b/examples/slice.py
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+"""
+
+RDFLib Graphs (and Resources) can be "sliced" with [] syntax
+
+This is a short-hand for iterating over triples
+
+Combined with SPARQL paths (see foafpaths.py) - quite complex queries
+can be realised
+
+"""
+
+from rdflib import Graph, RDF
+from rdflib.namespace import FOAF
+
+graph = Graph()
+
+graph.load("foaf.rdf")
+
+for person,_,_ in graph[: RDF.type : FOAF.Person]:
+    
+    friends = list(graph[person:FOAF.knows * '+'/FOAF.name])
+    if friends: 
+        print "%s's circle of friends:"%graph.value(person, FOAF.name)
+        for _,_,name in friends:
+            print name
+