light9 Changeset - 717774b8a4a6

Changeset - 717774b8a4a6

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Drew Perttula - 11 years ago 2014-05-28 05:55:58
drewp@bigasterisk.com

syncedgraph gets items() method for fetching an rdf list
Ignore-this: c97d4718ab1cede9c196464053c9ab47

1 file changed with 15 insertions and 1 deletions:

light9/rdfdb/autodepgraphapi.py

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light9/rdfdb/autodepgraphapi.py

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@@ @@ -99,11 +99,25 @@ class AutoDepGraphApi(object): @@
         self._watchers.addPredObjWatcher(func, predicate, object)
         return self._graph.subjects(predicate, object)
     def items(self, listUri):
         """generator. Having a chain of watchers on the results is not
         well-tested yet"""
         chain = set([listUri])
         while listUri:
             item = self.value(listUri, RDF.first)
             if item:
                 yield item
             listUri = self.value(listUri, RDF.rest)
             if listUri in chain:
                 raise ValueError("List contains a recursive rdf:rest reference")
             chain.add(listUri)
     def contains(self, triple):
         func = self._getCurrentFunc()
         self._watchers.addTripleWatcher(func, triple)
         return triple in self._graph
     def contextsForStatement(self, triple):
         """currently this needs to be in an addHandler section, but it
         sets no watchers so it won't actually update if the statement

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