Exemple #1
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def load_mapped_csv(graph, csv_uri, mapping, context_id=None):
    """ Load data from a CSV file, applying a JSON mapping and then adding
    it to the graph. """
    meta = {'source_url': csv_uri}
    reader = unicodecsv.DictReader(read_uri(csv_uri))
    ctx = graph.context(identifier=context_id, meta=meta)
    for data, err in Mapper.apply_iter(reader, mapping, graph.resolver,
                                       scope=graph.base_uri):
        if err is not None:
            log.warning("Error loading %r: %r", csv_uri, err)
        else:
            ctx.add(data['$schema'], data)
    ctx.save()
Exemple #2
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def load_mapped_csv(graph, csv_uri, mapping, context_id=None):
    """ Load data from a CSV file, applying a JSON mapping and then adding
    it to the graph. """
    meta = {'source_url': csv_uri}
    reader = unicodecsv.DictReader(read_uri(csv_uri))
    ctx = graph.context(identifier=context_id, meta=meta)
    for data, err in Mapper.apply_iter(reader,
                                       mapping,
                                       graph.resolver,
                                       scope=graph.base_uri):
        if err is not None:
            log.warning("Error loading %r: %r", csv_uri, err)
        else:
            ctx.add(data['$schema'], data)
    ctx.save()
Exemple #3
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def load_dump(graph, dump_file):
    """ Load an NQuads file into the current graph. """
    log.debug('Loading from %r...', dump_file)
    fh = read_uri(dump_file)
    graph.graph.parse(fh, format='nquads')
    fh.close()