Don't use xsd:string for string data types in toTypedNode

[htsworkflow.git] / htsworkflow / util / rdfhelp.py

diff --git a/htsworkflow/util/rdfhelp.py b/htsworkflow/util/rdfhelp.py
index faf8acb38d24c8d3bff90518088a851d43d89255..5c73d98be3e6e0b75afe6273824a708a7f608791 100644 (file)
--- a/htsworkflow/util/rdfhelp.py
+++ b/htsworkflow/util/rdfhelp.py
@@ -60,13 +60,15 @@ def toTypedNode(value):
     elif type(value) == types.FloatType:
         value_type = xsdNS['float'].uri
         value = unicode(value)
-    elif type(value) in types.StringTypes:
-        value_type = xsdNS['string'].uri
     else:
         value_type = None
         value = unicode(value)
 
-    return RDF.Node(literal=value, datatype=value_type)
+    if value_type is not None:
+        node = RDF.Node(literal=value, datatype=value_type)
+    else:
+        node = RDF.Node(literal=value)
+    return node
 
 def fromTypedNode(node):
     if node is None: