Added simple form of concept composition

parsers/PythonWithConceptsParser.py

@@ -37,6 +37,10 @@ class PythonWithConceptsParser(BaseParser):
 
         def _get_identifier(c):
             """
+            Get an identifier for a concept.
+            Make sure to return the same identifier if the same concept
+            Make sure to return a different identifier if same name but different concept
+
             Internal function because I don't want identifiers, identifiers_key and python_ids_mappings
             to be instance variables
             I would like to keep this parser as stateless as possible
@@ -99,14 +103,3 @@ class PythonWithConceptsParser(BaseParser):
                 self.name,
                 False,
                 result.body)
-
-    def concept_identifier(self, concept):
-        if id(concept) in self.identifiers:
-            return self.identifiers[id(concept)]
-
-        identifier = "__C__" + (concept.key or concept.name)
-        if concept.id:
-            identifier += "__" + concept.id
-        identifier += "__C__"
-
-        return identifier