def rate(resource, rating): '''give a resource a nao:numericRating (float from 1-10)''' resource = RDF.Node(RDF.Uri(resource)) rating = RDF.Node(literal=str(rating), datatype=ns['xs'].float.uri) # delete any existing ratings for this resource TripleStore.forget(resource, ns['nao'].numericRating, None) TripleStore.state(resource, ns['nao'].numericRating, rating)
def tag(resource, tags):
'''tag a resource with a space-separated string'''
resource = RDF.Node(RDF.Uri(resource))
# space-separated, remove empty
tags = [x for x in tags.strip().split(' ') if x != '']
# remove all existing tags on this resource
TripleStore.forget(resource, ns['nao'].hasTag, None)
for _tag in tags:
# XXX check if it's a nao:Tag too
tag = TripleStore.model.get_source(ns['nao'].prefLabel, RDF.Node(_tag))
if not tag:
# create a new nao:Tag with the appropriate prefLabel
tag = RDF.Node(blank=None)
TripleStore.state(tag, ns['rdf'].type, ns['nao'].Tag)
TripleStore.state(tag, ns['nao'].prefLabel, RDF.Node(_tag))
TripleStore.state(resource, ns['nao'].hasTag, tag)
