Command line converter: RDFXML from an URL to JSON-LD

.gitignore

*pyc
*rdftojld.build

rdftojld.py

#!/usr/bin/env python
# coding: utf-8

"""
Convert RDFXML to JSON-LD.

Usage:

    $ python rdftojld.py http://dbpedia.org/data/Category:High_fantasy_novels.rdf
    {
        "@context": {
            "dbpedia-owl": "http://dbpedia.org/ontology/",
            "dcterms": "http://purl.org/dc/terms/",
            "ns6": "http://www.w3.org/ns/prov#",
            "owl": "http://www.w3.org/2002/07/owl#",
            "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
            "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
            "skos": "http://www.w3.org/2004/02/skos/core#",
            "xsd": "http://www.w3.org/2001/XMLSchema#"
        },
        "@graph": [
            {
                "@id": "http://dbpedia.org/resource/Category:Old_Kingdom_series_books",
                "skos:broader": {
                    "@id": "http://dbpedia.org/resource/Category:High_fantasy_novels"
                }
            },
    ...

Build a static binary:

    $ nuitka --recurse-all rdftojld.py
"""

from __future__ import print_function
from rdflib import Graph, plugin
from rdflib.serializer import Serializer
import argparse
import requests
import sys

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('url', type=str, nargs=1, help='url to semantic data')
    parser.add_argument('-f', '--format', default='xml', help='xml, n3')

    args = parser.parse_args()

    g = Graph().parse(data=requests.get(args.url[0]).text, format=args.format)
    print(g.serialize(format='json-ld', indent=4, auto_compact=True))