Added a 'graphs' method to the Dataset object (the documentation already had it...)

1 files changed, 7 insertions, 1 deletions

diff --git a/rdflib/graph.py b/rdflib/graph.py
index 68339eba..80f21b60 100644
--- a/rdflib/graph.py
+++ b/rdflib/graph.py
@@ -1629,6 +1629,13 @@ class Dataset(ConjunctiveGraph):
             yield c
         if not default: yield self.graph(DATASET_DEFAULT_GRAPH_ID)
 
+    def graphs(self, triple=None) :
+        default = False
+        for c in super(Dataset, self).contexts(triple):
+            default|=c.identifier == DATASET_DEFAULT_GRAPH_ID
+            yield c
+        if not default: yield self.graph(DATASET_DEFAULT_GRAPH_ID)
+
     def quads(self, quad):
         for s, p, o, c in super(Dataset, self).quads(quad):
             if c.identifier==self.default_context:
@@ -1636,7 +1643,6 @@ class Dataset(ConjunctiveGraph):
             else:
                 yield (s, p, o, c.identifier)
 
-
 class QuotedGraph(Graph):
     """
     Quoted Graphs are intended to implement Notation 3 formulae. They are