prototype.py 文件源码

def handle_prototypes(graph) :
    to_remove = set()
    for (x,ref,PR) in graph.triples((None,pref,None)) :
        if (PR,ns_rdf["type"],Prototype) in graph :
            to_remove.add((PR,ns_rdf["type"],Prototype))
            to_remove.add((x,ref,PR))
            # there is a reference to a prototype here
            for (PR,p,y) in graph.triples((PR,None,None)) :
                if not ( p == ns_rdf["type"] and y == Prototype ) :
                    graph.add((x,p,y))
                    to_remove.add((PR,p,y))
    for t in to_remove : graph.remove(t)