--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/service/reasoning/rdflibtrig.py	Tue Sep 10 00:38:52 2013 -0700
@@ -0,0 +1,32 @@
+import re, time
+import restkit
+from rdflib import URIRef
+try:
+    from rdflib import StringInputSource
+    from rdflib.Graph import Graph
+except ImportError:
+    from rdflib.parser import StringInputSource
+    from rdflib import Graph
+
+def parseTrig(trig):
+    """
+    yields quads
+    """
+    m = re.match(r"<([^>]+)> \{(.*)\}\s*$", trig, re.DOTALL)
+    if m is None:
+        raise NotImplementedError("trig format was too tricky: %r..." % trig[:200])
+        
+    ctx = URIRef(m.group(1))
+    n3 = m.group(2)
+    g = Graph()
+    g.parse(StringInputSource(n3), format="n3")
+    for stmt in g:
+        yield stmt + (ctx,)
+
+        
+def addTrig(graph, url):
+    t1 = time.time()
+    trig = restkit.request(url).body_string()
+    fetchTime = time.time() - t1
+    graph.addN(parseTrig(trig))
+    return fetchTime