def _prep_graph(self, resource, about = None):
#print '_prep_graph', resource.identifier, about
content_type = resource.value(app.NS.ov.hasContentType)
#print resource.graph.serialize(format="nquads")
g = Graph(store=resource.graph.store,identifier=resource.identifier)
text = resource.value(app.NS.prov.value)
if content_type is not None and text is not None:
#print 'Content type:', content_type, resource.identifier
html = None
if content_type.value in ["text/html", "application/xhtml+xml"]:
html = Literal(text.value, datatype=RDF.HTML)
if content_type.value == 'text/markdown':
#print "Aha, markdown!"
#print text.value
html = markdown.markdown(text.value, extensions=['rdfa'])
attributes = ['vocab="%s"' % app.NS.local,
'base="%s"'% app.NS.local,
'prefix="%s"' % ' '.join(['%s: %s'% x for x in app.NS.prefixes.items()])]
if about is not None:
attributes.append('resource="%s"' % about)
html = '<div %s>%s</div>' % (' '.join(attributes), html)
html = Literal(html, datatype=RDF.HTML)
text = html
content_type = "text/html"
if html is not None:
resource.add(app.NS.sioc.content, html)
try:
g.parse(data=text, format='rdfa')
except:
pass
else:
try:
sadi.deserialize(g, text, content_type)
except:
pass
def put(self, ident):
uri = self._get_uri(ident)
#print uri
if not self._can_edit(uri):
return app.login_manager.unauthorized()
inputGraph = Graph()
contentType = request.headers['Content-Type']
sadi.deserialize(inputGraph, request.data, contentType)
nanopub = inputGraph.resource(URIRef(uri + "#assertion"))
nanopub_text = nanopub.value(app.NS.prov.value)
rendered_nanopub = markdown.markdown(nanopub_text,
extensions=['rdfa'])
nanopub.set(app.NS.sioc.content, Literal(rendered_nanopub))
nanopub.set(app.NS.dc.modified, Literal(datetime.utcnow()))
if nanopub.value(app.NS.sioc.reply_of):
nanopub.value(app.NS.sioc.reply_of).add(
app.NS.sioc.has_reply, nanopub)
self.local_resource.update(uri, inputGraph)
return '', 201
def post(self, ident=None):
if ident is not None:
return self.put(ident)
else:
default_prefix = URIRef('urn:nanopub')
inputGraph = ConjunctiveGraph()
contentType = request.headers['Content-Type']
sadi.deserialize(inputGraph, request.data, contentType)
nanopub_id = ld.create_id()
nanopub_uri = app.NS.local["pub/%s" % nanopub_id]
processed_graph = ConjunctiveGraph()
nanopub_graph = ConjunctiveGraph(
identifier=nanopub_uri, store=processed_graph.store)
quads = [
x for x in ld.rebase(inputGraph, default_prefix,
nanopub_uri)
]
processed_graph.addN(quads)
assertion, provenance, pubinfo = self._prepare_nanopub(
nanopub_graph.resource(nanopub_uri))
pubinfo_graph = Graph(processed_graph.store,
pubinfo.identifier)
assertion_in_pubinfo = pubinfo_graph.resource(
assertion.identifier)
assertion_in_pubinfo.add(app.NS.dc.created,
Literal(datetime.utcnow()))
assertion_in_pubinfo.add(app.NS.dc.contributor,
current_user.resUri)
#print "Adding a nanopublication"
print processed_graph.serialize(format="trig")
app.db.addN(processed_graph.quads())
return '', 201
def _get_graph(self):
inputGraph = ConjunctiveGraph()
contentType = request.headers['Content-Type']
sadi.deserialize(inputGraph, request.data, contentType)
return inputGraph
