def main():
    utils.setup_logger(__file__)

    logging.info('update_relations_with_object_property.py -- starting')

    search_collection = SolrCollection(os.getenv('SOLR_COLLECTION_SEARCH'))
    property_to_relation = utils.load_resource('property_to_relation')

    updates = []
    for object_type, mapping in property_to_relation.items():
        object_uri_to_source_mapping = get_object_uri_to_source_mapping(
            search_collection, object_type, mapping['source'])

        for relation in mapping['relations']:
            relation_objects = search_collection.select_all_documents(
                'sys_type:{0} AND {1}:[* TO *]'.format(relation['type'],
                                                       relation['match']),
                ['sys_uri', relation['match']],
                id_field='sys_id')

            updates += get_relation_updates(relation, mapping,
                                            object_uri_to_source_mapping,
                                            relation_objects)

    search_collection.index_documents(updates)

    logging.info('update_relations_with_object_property.py -- finished')
Beispiel #2
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def update_authority_kind(searcher: SolrCollection) -> None:
    organization_types = {
        organization['sys_uri']: organization['kind']
        for organization in searcher.select_all_documents(
            'sys_type:organization', ['sys_uri', 'kind'], id_field='sys_id')
        if 'kind' in organization and 'sys_uri' in organization
    }

    objects_with_authority = searcher.select_all_documents(
        'authority:[* TO *]', ['sys_id, authority'], id_field='sys_id')

    logging.info('Found {0} objects with a relation with an authority'.format(
        len(objects_with_authority)))

    updates = [{
        'sys_id': donl_object['sys_id'],
        'authority_kind': {
            'set': [
                organization_types[authority]
                for authority in donl_object['authority']
                if authority in organization_types
            ]
        }
    } for donl_object in objects_with_authority]

    searcher.index_documents(updates, commit=False)

    logging.info('results')
    logging.info(' indexed:         %s', len(updates))
Beispiel #3
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def update_relations(searcher: SolrCollection) -> None:
    has_relations = utils.load_resource('has_relations')
    updates = {}
    for relation_source, mapping in has_relations.items():
        logging.info('relations for %s', relation_source)

        sources = searcher.select_all_documents(
            fq='sys_type:{0}'.format(relation_source), id_field='sys_id')
        rels = searcher.select_all_documents(
            fl=list(set(list(mapping.values()) + ['sys_uri', 'sys_type'])),
            fq='sys_type:{0}'.format(' OR sys_type:'.join(mapping.keys())),
            id_field='sys_id')

        logging.info(' subjects:        %s', len(sources))
        logging.info(' relations:       %s', len(rels))

        [source.update({'related_to': []}) for source in sources]

        for source in sources:
            related_to = set()
            for mapping_target, mapping_source in mapping.items():
                if mapping_target in source['related_to']:
                    continue

                for relation in rels:
                    if mapping_target != relation['sys_type']:
                        continue

                    try:
                        if isinstance(relation[mapping_source], list):
                            if source['sys_uri'] in relation[mapping_source]:
                                related_to.add(mapping_target)
                        else:
                            if source['sys_uri'] == relation[mapping_source]:
                                related_to.add(mapping_target)
                    except KeyError:
                        continue

            if source['sys_id'] not in updates:
                updates[source['sys_id']] = set()

            for related_to_type in related_to:
                updates[source['sys_id']].add(related_to_type)

    logging.info('indexing relations')

    updates = [{
        'sys_id': sys_id,
        'related_to': {
            'set': list(update)
        }
    } for sys_id, update in updates.items()]

    searcher.index_documents(updates, commit=False)

    logging.info('results')
    logging.info(' indexed:         %s', len(updates))
Beispiel #4
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def main():
    utils.setup_logger(__file__)

    logging.info('generate_relations.py -- starting')

    collection = SolrCollection(os.getenv('SOLR_COLLECTION_SEARCH'))
    update_reverse_relations(collection)

    logging.info('committing index changes')
    collection.index_documents([], commit=True)

    update_relations(collection)

    logging.info('committing index changes')
    collection.index_documents([], commit=True)

    update_authority_kind(collection)

    logging.info('committing index changes')
    collection.index_documents([], commit=True)

    update_popularity(collection)

    logging.info('committing index changes')
    collection.index_documents([], commit=True)

    logging.info('generate_relations.py -- finished')
def main() -> None:
    utils.setup_logger(__file__)

    logging.info('aggregate_signals.py started')

    signal_collection = SolrCollection(os.getenv('SOLR_COLLECTION_SIGNALS'))
    signal_aggregated_collection = SolrCollection(
        os.getenv('SOLR_COLLECTION_SIGNALS_AGGREGATED'))

    signals = signal_collection.select_all_documents()
    aggregated_signals = signal_aggregated_collection.select_all_documents()

    signal_aggregated_collection.index_documents(
        get_aggregations(aggregate_fields(signals, ['query', 'handler']),
                         aggregated_signals, 'query'))

    signal_aggregated_collection.index_documents(
        get_aggregations(
            aggregate_fields(
                reduce_date_field_to_hours(signals, 'search_timestamp'),
                ['search_timestamp', 'handler']), aggregated_signals,
            'search_timestamp'))

    signal_aggregated_collection.index_documents(
        get_aggregations(
            aggregate_fields(preprocess_filters(signals),
                             ['filters', 'handler']), aggregated_signals,
            'filters'))

    signal_collection.delete_documents('*:*')

    logging.info('aggregate_signals.py finished')
Beispiel #6
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def update_popularity(searcher: SolrCollection) -> None:
    logging.info('Updating popularity')
    relation_counts = searcher.get_facet_counts('relation')

    donl_objects = searcher.select_all_documents(fl=['sys_uri', 'popularity'],
                                                 id_field='sys_id')

    updates = [
        {
            'sys_id': donl_object['sys_id'],
            'popularity': {
                'set': relation_counts[donl_object['sys_uri']]
            }
        } for donl_object in donl_objects
        if donl_object['sys_uri'] in relation_counts
        and not ('popularity' in donl_object and donl_object['popularity'] ==
                 relation_counts[donl_object['sys_uri']])
    ]

    searcher.index_documents(updates, commit=False)

    logging.info('results')
    logging.info(' indexed:         %s', len(updates))
def main() -> None:
    utils.setup_logger(__file__)

    logging.info('generate_suggestions.py -- starting')

    suggest = SolrCollection(os.getenv('SOLR_COLLECTION_SUGGESTER'))
    search = SolrCollection(os.getenv('SOLR_COLLECTION_SEARCH'))

    logging.info('clearing suggestions')
    suggest.delete_documents('*:*', commit=False)

    relation_counts = search.get_facet_counts('relation')

    community_uri_to_name = search.select_all_documents(
        fq='sys_type:community',
        fl=['sys_uri', 'sys_name'],
        id_field='sys_id'
    )

    community_uri_to_name = {community['sys_uri']: community['sys_name']
                             for community in community_uri_to_name}

    suggestion_types = utils.load_resource('suggestions')
    doc_suggestions = {doc_type: get_doc_suggestions(
        search, doc_type, config['mapping'], relation_counts,
        community_uri_to_name)
        for doc_type, config in suggestion_types.items()}

    logging.info('adding title suggestions:')

    for doc_type, doc_type_suggestions in doc_suggestions.items():
        suggest.index_documents(doc_type_suggestions, commit=False)
        logging.info(' titles: %s of type %s',
                     len(doc_type_suggestions), doc_type)

    user_defined_synonym_suggestions = {doc_type: get_doc_suggestions(
        search, doc_type, config['user_defined_synonyms'], relation_counts,
        community_uri_to_name, 'user_defined_synonyms:[* TO *]')
        for doc_type, config in suggestion_types.items()
        if 'user_defined_synonyms' in config}

    logging.info('adding user defined synonym suggestions:')

    for doc_type, doc_type_suggestions in user_defined_synonym_suggestions.items():
        suggest.index_documents(doc_type_suggestions, commit=False)
        logging.info(' user defined synonyms: %s of type %s',
                     len(doc_type_suggestions), doc_type)

    context_suggestions = {
        doc_type: {
            relation: get_suggestions(search, doc_type, relation,
                                      suggestion_types[relation]['mapping'],
                                      community_uri_to_name)
        } for doc_type, config in suggestion_types.items()
    for relation in config['relations']}

    logging.info('adding context suggestions:')

    for doc_type, relations in context_suggestions.items():
        for relation, suggestions in relations.items():
            suggest.index_documents(suggestions, commit=False)
            logging.info(' titles: %s of type %s in context of %s',
                         len(suggestions), relation, doc_type)

    logging.info('adding theme suggestions:')
    theme_suggestions = get_theme_suggestions(search, 'dataset')
    suggest.index_documents(theme_suggestions, commit=False)
    logging.info(' themes: %s in context of %s',
                 len(theme_suggestions), 'dataset')

    logging.info('committing changes to index')
    suggest.index_documents([], commit=True)

    logging.info('building Solr suggester')
    suggest.build_suggestions('build_suggest')

    logging.info('generate_suggestions.py -- finished')
Beispiel #8
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def update_reverse_relations(searcher: SolrCollection) -> None:
    """
    Ensures that the relations in the following example are mirrored:

        [{
          "sys_type": "A",
          "identifier": "Foo",
          "relation_B": "Bar"
        },
        {
         "sys_type": "B",
         "identifier": "Bar"
        }]

    Afterwards the relations are set as:

        [{
          "sys_type": "A",
          "identifier": "Foo",
          "relation_B": "Bar"
        },
        {
         "sys_type": "B",
         "identifier": "Bar",
         "relation_A": "Foo"
        }]

    This ensures that all relations are traversable regardless which object is
    used as a reference point.
    :param SolrCollection searcher: The searcher to find and update objects with
    """
    relations = utils.load_resource('relations')

    for source_object, source_data in relations.items():
        for relation, mapping in source_data.items():
            logging.info('updating reverse relations from %s to %s',
                         source_object, relation)

            field_entities = searcher.select_all_documents(
                'sys_type:{0}'.format(source_object),
                ['sys_id', mapping['match'], mapping['to']],
                id_field='sys_id')
            field_entities = {
                entity[mapping['match']]: entity
                for entity in field_entities
            }

            relation_entities = searcher.select_all_documents(
                'sys_type:{0}'.format(relation),
                [mapping['match'], mapping['from']],
                id_field='sys_id')

            entities_to_relation_entities = {}

            for relation_entity in relation_entities:
                if mapping['from'] not in relation_entity:
                    continue

                for uri in relation_entity[mapping['from']]:
                    if uri in field_entities.keys():
                        if uri not in entities_to_relation_entities:
                            entities_to_relation_entities[uri] = []

                        entities_to_relation_entities[uri].append(
                            relation_entity[mapping['match']])

            logging.info(
                ' found %s objects of type %s with relations to'
                ' objects of type %s',
                len(entities_to_relation_entities.keys()), relation,
                source_object)

            deletes = [{
                'sys_id': field_entity['sys_id'],
                mapping['to']: {
                    'remove': field_entity[mapping['to']]
                }
            } for field_entity in field_entities
                       if mapping['to'] in field_entity
                       and field_entity[mapping['match']] not in
                       entities_to_relation_entities.keys()]

            updates = [{
                'sys_id': field_entities[uri]['sys_id'],
                mapping['to']: {
                    'set': entities_to_relation_entities[uri]
                }
            } for uri in entities_to_relation_entities]

            searcher.index_documents(deletes, commit=False)
            searcher.index_documents(updates, commit=False)

            logging.info('results')
            logging.info(' deleted: %s', len(deletes))
            logging.info(' updated: %s', len(updates))