def test_profiles_via_config_option(self): original_config = config.copy() config[RDF_PROFILES_CONFIG_OPTION] = 'profile_conf_1 profile_conf_2' try: RDFParser() except RDFProfileException as e: eq_(str(e), 'Unknown RDF profiles: profile_conf_1, profile_conf_2') config.clear() config.update(original_config)
def test_distribution_access_url(self): g = Graph() dataset1 = URIRef("http://example.org/datasets/1") g.add((dataset1, RDF.type, DCAT.Dataset)) distribution1_1 = URIRef("http://example.org/datasets/1/ds/1") g.add((distribution1_1, RDF.type, DCAT.Distribution)) g.add((distribution1_1, DCAT.accessURL, Literal('http://access.url.org'))) g.add((dataset1, DCAT.distribution, distribution1_1)) p = RDFParser(profiles=['euro_dcat_ap']) p.g = g datasets = [d for d in p.datasets()] resource = datasets[0]['resources'][0] eq_(resource['url'], u'http://access.url.org') assert 'download_url' not in resource
def test_parse_pagination_last_page(self): data = '''<?xml version="1.0" encoding="utf-8" ?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:hydra="http://www.w3.org/ns/hydra/core#"> <hydra:PagedCollection rdf:about="http://example.com/catalog.xml?page=3"> <hydra:totalItems rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">245</hydra:totalItems> <hydra:lastPage>http://example.com/catalog.xml?page=3</hydra:lastPage> <hydra:itemsPerPage rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">100</hydra:itemsPerPage> <hydra:firstPage>http://example.com/catalog.xml?page=1</hydra:firstPage> <hydra:previousPage>http://example.com/catalog.xml?page=2</hydra:previousPage> </hydra:PagedCollection> </rdf:RDF> ''' p = RDFParser() p.parse(data) eq_(p.next_page(), None)
def validate_config(self, source_config): if not source_config: return source_config source_config_obj = json.loads(source_config) if 'rdf_format' in source_config_obj: rdf_format = source_config_obj['rdf_format'] if not isinstance(rdf_format, basestring): raise ValueError('rdf_format must be a string') supported_formats = RDFParser().supported_formats() if rdf_format not in supported_formats: raise ValueError('rdf_format should be one of: ' + ", ".join(supported_formats)) return source_config
def test_spatial_wkt_only(self): g = Graph() dataset = URIRef('http://example.org/datasets/1') g.add((dataset, RDF.type, DCAT.Dataset)) spatial_uri = URIRef('http://geonames/Newark') g.add((dataset, DCT.spatial, spatial_uri)) g.add((spatial_uri, RDF.type, DCT.Location)) g.add((spatial_uri, LOCN.geometry, Literal('POINT (67 89)', datatype=GSP.wktLiteral))) p = RDFParser(profiles=['euro_dcat_ap']) p.g = g datasets = [d for d in p.datasets()] extras = self._extras(datasets[0]) # NOTE: geomet returns floats for coordinates on WKT -> GeoJSON eq_(extras['spatial'], '{"type": "Point", "coordinates": [67.0, 89.0]}')
def test_distribution_format_imt_only(self): g = Graph() dataset1 = URIRef("http://example.org/datasets/1") g.add((dataset1, RDF.type, DCAT.Dataset)) distribution1_1 = URIRef("http://example.org/datasets/1/ds/1") g.add((distribution1_1, RDF.type, DCAT.Distribution)) g.add((distribution1_1, DCAT.mediaType, Literal('text/csv'))) g.add((dataset1, DCAT.distribution, distribution1_1)) p = RDFParser(profiles=['euro_dcat_ap']) p.g = g datasets = [d for d in p.datasets()] resource = datasets[0]['resources'][0] if toolkit.check_ckan_version(min_version='2.3'): eq_(resource['format'], u'CSV') eq_(resource['mimetype'], u'text/csv') else: eq_(resource['format'], u'text/csv')
def test_spatial_wrong_geometries(self): g = Graph() dataset = URIRef('http://example.org/datasets/1') g.add((dataset, RDF.type, DCAT.Dataset)) spatial_uri = URIRef('http://geonames/Newark') g.add((dataset, DCT.spatial, spatial_uri)) g.add((spatial_uri, RDF.type, DCT.Location)) g.add((spatial_uri, LOCN.geometry, Literal('Not GeoJSON', datatype=GEOJSON_IMT))) g.add((spatial_uri, LOCN.geometry, Literal('Not WKT', datatype=GSP.wktLiteral))) p = RDFParser(profiles=['euro_dcat_ap']) p.g = g datasets = [d for d in p.datasets()] extras = self._extras(datasets[0]) assert_true('spatial' not in extras)
def test_parse_data_raises_on_parse_error(self): p = RDFParser() data = 'Wrong data' nose.tools.assert_raises(RDFParserException, p.parse, '') nose.tools.assert_raises(RDFParserException, p.parse, data) nose.tools.assert_raises( RDFParserException, p.parse, data, _format='n3', )
def test_catalog_ttl(self): for i in xrange(4): factories.Dataset() url = url_for('iaest_catalog', _format='ttl') app = self._get_test_app() response = app.get(url) eq_(response.headers['Content-Type'], 'text/turtle') content = response.body # Parse the contents to check it's an actual serialization p = RDFParser() p.parse(content, _format='turtle') dcat_datasets = [d for d in p.datasets()] eq_(len(dcat_datasets), 4)
def gather_stage(self, harvest_job): log.debug('In IAESTRDFHarvester gather_stage') rdf_format = None if harvest_job.source.config: rdf_format = json.loads(harvest_job.source.config).get("rdf_format") # Get file contents of first page next_page_url = harvest_job.source.url guids_in_source = [] object_ids = [] last_content_hash = None while next_page_url: for harvester in p.PluginImplementations(IIAESTRDFHarvester): next_page_url, before_download_errors = harvester.before_download(next_page_url, harvest_job) for error_msg in before_download_errors: self._save_gather_error(error_msg, harvest_job) if not next_page_url: return [] content, rdf_format = self._get_content_and_type(next_page_url, harvest_job, 1, content_type=rdf_format) content_hash = hashlib.md5() if content: content_hash.update(content) if last_content_hash: if content_hash.digest() == last_content_hash.digest(): log.warning('Remote content was the same even when using a paginated URL, skipping') break else: last_content_hash = content_hash # TODO: store content? for harvester in p.PluginImplementations(IIAESTRDFHarvester): content, after_download_errors = harvester.after_download(content, harvest_job) for error_msg in after_download_errors: self._save_gather_error(error_msg, harvest_job) if not content: return [] # TODO: profiles conf parser = RDFParser() try: parser.parse(content, _format=rdf_format) except RDFParserException, e: self._save_gather_error('Error parsing the RDF file: {0}'.format(e), harvest_job) return [] log.warning('Parser complete.') try: for dataset in parser.datasets(): if not dataset.get('name'): dataset['name'] = self._gen_new_name(dataset['title']) log.warning('Generando dataset: {0}'.format(dataset['name']) ) # Unless already set by the parser, get the owner organization (if any) # from the harvest source dataset if not dataset.get('owner_org'): source_dataset = model.Package.get(harvest_job.source.id) if source_dataset.owner_org: dataset['owner_org'] = source_dataset.owner_org # Try to get a unique identifier for the harvested dataset guid = self._get_guid(dataset) if not guid: self._save_gather_error('Could not get a unique identifier for dataset: {0}'.format(dataset), harvest_job) continue dataset['extras'].append({'key': 'guid', 'value': guid}) guids_in_source.append(guid) obj = HarvestObject(guid=guid, job=harvest_job, content=json.dumps(dataset)) obj.save() object_ids.append(obj.id) except Exception, e: self._save_gather_error('Error when processsing dataset: %r / %s' % (e, traceback.format_exc()), harvest_job) return []
def test_dataset_all_fields(self): contents = self._get_file_contents('dataset.rdf') p = RDFParser(profiles=['euro_dcat_ap']) p.parse(contents) datasets = [d for d in p.datasets()] eq_(len(datasets), 1) dataset = datasets[0] # Basic fields eq_(dataset['title'], u'Zimbabwe Regional Geochemical Survey.') eq_( dataset['notes'], u'During the period 1982-86 a team of geologists from the British Geological Survey ...' ) eq_(dataset['url'], 'http://dataset.info.org') eq_(dataset['version'], '2.3') eq_(dataset['license_id'], 'cc-nc') # Tags eq_(sorted(dataset['tags'], key=lambda k: k['name']), [{ 'name': u'exploration' }, { 'name': u'geochemistry' }, { 'name': u'geology' }]) # Extras def _get_extra_value(key): v = [ extra['value'] for extra in dataset['extras'] if extra['key'] == key ] return v[0] if v else None def _get_extra_value_as_list(key): value = _get_extra_value(key) return json.loads(value) if value else [] # Simple values eq_(_get_extra_value('issued'), u'2012-05-10') eq_(_get_extra_value('modified'), u'2012-05-10T21:04:00') eq_(_get_extra_value('identifier'), u'9df8df51-63db-37a8-e044-0003ba9b0d98') eq_(_get_extra_value('version_notes'), u'New schema added') eq_(_get_extra_value('temporal_start'), '1905-03-01') eq_(_get_extra_value('temporal_end'), '2013-01-05') eq_(_get_extra_value('frequency'), 'http://purl.org/cld/freq/daily') eq_(_get_extra_value('spatial_uri'), 'http://publications.europa.eu/mdr/authority/country/ZWE') eq_(_get_extra_value('publisher_uri'), 'http://orgs.vocab.org/some-org') eq_(_get_extra_value('publisher_name'), 'Publishing Organization for dataset 1') eq_(_get_extra_value('publisher_email'), '*****@*****.**') eq_(_get_extra_value('publisher_url'), 'http://some.org') eq_(_get_extra_value('publisher_type'), 'http://purl.org/adms/publishertype/NonProfitOrganisation') eq_(_get_extra_value('contact_name'), 'Point of Contact') eq_(_get_extra_value('contact_email'), 'mailto:[email protected]') eq_(_get_extra_value('access_rights'), 'public') eq_(_get_extra_value('provenance'), 'Some statement about provenance') eq_(_get_extra_value('dcat_type'), 'test-type') # Lists eq_(sorted(_get_extra_value_as_list('language')), [u'ca', u'en', u'es']) eq_(sorted(_get_extra_value_as_list('theme')), [ u'Earth Sciences', u'http://eurovoc.europa.eu/100142', u'http://eurovoc.europa.eu/209065' ]) eq_(sorted(_get_extra_value_as_list('conforms_to')), [u'Standard 1', u'Standard 2']) eq_(sorted(_get_extra_value_as_list('alternate_identifier')), [u'alternate-identifier-1', u'alternate-identifier-2']) eq_(sorted(_get_extra_value_as_list('documentation')), [u'http://dataset.info.org/doc1', u'http://dataset.info.org/doc2']) eq_(sorted(_get_extra_value_as_list('related_resource')), [ u'http://dataset.info.org/related1', u'http://dataset.info.org/related2' ]) eq_(sorted(_get_extra_value_as_list('has_version')), [ u'https://data.some.org/catalog/datasets/derived-dataset-1', u'https://data.some.org/catalog/datasets/derived-dataset-2' ]) eq_(sorted(_get_extra_value_as_list('is_version_of')), [u'https://data.some.org/catalog/datasets/original-dataset']) eq_(sorted(_get_extra_value_as_list('source')), [ u'https://data.some.org/catalog/datasets/source-dataset-1', u'https://data.some.org/catalog/datasets/source-dataset-2' ]) eq_(sorted(_get_extra_value_as_list('sample')), [ u'https://data.some.org/catalog/datasets/9df8df51-63db-37a8-e044-0003ba9b0d98/sample' ]) # Dataset URI eq_( _get_extra_value('uri'), u'https://data.some.org/catalog/datasets/9df8df51-63db-37a8-e044-0003ba9b0d98' ) # Resources eq_(len(dataset['resources']), 1) resource = dataset['resources'][0] # Simple values eq_(resource['name'], u'Some website') eq_(resource['description'], u'A longer description') eq_(resource['format'], u'HTML') eq_(resource['mimetype'], u'text/html') eq_(resource['issued'], u'2012-05-11') eq_(resource['modified'], u'2012-05-01T00:04:06') eq_(resource['status'], u'http://purl.org/adms/status/Completed') eq_(resource['hash'], u'4304cf2e751e6053c90b1804c89c0ebb758f395a') eq_(resource['hash_algorithm'], u'http://spdx.org/rdf/terms#checksumAlgorithm_sha1') # Lists for item in [ ('documentation', [ u'http://dataset.info.org/distribution1/doc1', u'http://dataset.info.org/distribution1/doc2' ]), ('language', [u'ca', u'en', u'es']), ('conforms_to', [u'Standard 1', u'Standard 2']), ]: eq_(sorted(json.loads(resource[item[0]])), item[1]) # These two are likely to need clarification eq_(resource['license'], u'http://creativecommons.org/licenses/by-nc/2.0/') eq_(resource['rights'], u'Some statement about rights') eq_(resource['url'], u'http://www.bgs.ac.uk/gbase/geochemcd/home.html') assert 'download_url' not in resource eq_(resource['size'], 12323) # Distribution URI eq_( resource['uri'], u'https://data.some.org/catalog/datasets/9df8df51-63db-37a8-e044-0003ba9b0d98/1' )
def test_profile_not_found(self): try: RDFParser(profiles=['not_found']) except RDFProfileException as e: eq_(str(e), 'Unknown RDF profiles: not_found')
def test_no_profile_provided(self): try: RDFParser(profiles=[]) except RDFProfileException as e: eq_(str(e), 'No suitable RDF profiles could be loaded')
def test_default_profile(self): p = RDFParser() eq_(sorted([pr.name for pr in p._profiles]), sorted(DEFAULT_RDF_PROFILES))