rdflib_bug.py

from rdflib import Graph, URIRef, Namespace, Literal
from pprint import pprint

data = '''

@prefix rr: <http://www.w3.org/ns/r2rml#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix : <http://mapping.example.com/>.

:map_stoptimes_0 a rr:TriplesMap;
    rdfs:label "stoptimes".
:s_0 a rr:SubjectMap.
:map_stoptimes_0 rr:subjectMap :s_0.
:s_0 rr:template "http://transport.linkeddata.es/madrid/metro/stoptimes/{trip_id}-{stop_id}-{arrival_time}".
:pom_0 a rr:PredicateObjectMap.
:map_stoptimes_0 rr:predicateObjectMap :pom_0.
:pm_0 a rr:PredicateMap.
:pom_0 rr:predicateMap :pm_0.
:pm_0 rr:constant rdf:type.

'''

graph = Graph()

graph.parse(data=data, format="ttl")


print("ORIGINAL: ")

print(data)

print("PROCESSED: ")

print(graph.serialize(format="ttl").decode())