add add method for ontonetwork

pyscal_rdf/network.py

@@ -22,14 +22,21 @@ def __init__(self, infile=None):
  self.onto = OntoParser(infile)
  self.data_prefix = 'value'
 
+ def _parse_all(self):
  #call methods
  self._add_class_nodes()
  self._add_object_properties()
  self._add_data_properties()
 
  def __add__(self, ontonetwork):
- pass
-
+ #add onto network
+ self.onto = self.onto + ontonetwork.onto
+ #now parse again
+ self._parse_all()
+
+ def __radd__(self, ontonetwork):
+ return self.__add__(ontonetwork)
+
  def get_shortest_path(self, source, target):
  path = nx.shortest_path(self.g, source=source, target=target)
  return path