def check_graph(graph,type):
"""check if update or create by comparision with live graph"""
if not graph:
return False
result=graph.query("""SELECT DISTINCT ?subject WHERE {?subject ?b ?c}""")
"""for every subject of changeset graph try to find other triples in DBpedia live to differ between add/update/delete"""
events=[]
for subject in result:
resource=subject[0]
if(resource.find(DBpedia.DBPEDIAURL)==0): #apply only for resources on server with DBPEDIA URL
live_resource=DBpedia.liveize(resource) #online version of dbpedia live have different URIs as changeset URIs
onl_graph=rdflib.Graph()
#try:
onl_graph.parse(live_resource)
onl_iso = to_isomorphic(onl_graph)
loc_iso = to_isomorphic(graph)
in_both, in_onl, in_loc = graph_diff(onl_iso,loc_iso)
event_type="notupdated"
event=None
for res_of_diff, b, c in in_onl:
# if live graph has more triples about resource it should be an update
if(str(live_resource)==str(res_of_diff)):
event_type="update"
break;
if(event_type=="notupdated" and type=="added"):
event = ResourceChange(uri=str(live_resource), changetype="CREATE")
elif(event_type=="update" and type=="added"):
event = ResourceChange(uri=str(live_resource), changetype="UPDATE")
else:
event = ResourceChange(uri=str(live_resource), changetype="DELETE")
events.append(event)
#except Exception as e:
#print "Error parsing %s: %s" % (live_resource,e)
#self.notify_observers(event)
return events
def rdf_comparator(self, old_data: str, new_data: str) -> bool:
old_graph = Graph()
new_graph = Graph()
old_graph.parse(data=old_data, format="turtle")
new_graph.parse(data=new_data, format="turtle")
old_iso = to_isomorphic(old_graph)
# Remove the metadata specific triples
for t in list(old_iso.triples((None, MMNS.generation_date, None))):
old_iso.remove(t)
new_iso = to_isomorphic(new_graph)
for t in list(new_iso.triples((None, MMNS.generation_date, None))):
new_iso.remove(t)
# Graph compare takes a Looong time
in_both, in_old, in_new = graph_diff(old_iso, new_iso)
# if old_iso != new_iso:
# in_both, in_old, in_new = graph_diff(old_iso, new_iso)
old_len = len(list(in_old))
new_len = len(list(in_new))
if old_len or new_len:
if old_len:
print("----- Old graph only -----")
self._print_triples(in_old)
if new_len:
print("----- New Grapn Only -----")
self._print_triples(in_new)
self.assertTrue(False, "RDF file mismatch")
return False
return True
def graphsAreTheSame(g1, g2, preprocessupdate=None):
g1Copy = clone_graph(g1)
g2Copy = clone_graph(g2)
if preprocessupdate:
g1Copy.update(preprocessupdate)
g2Copy.update(preprocessupdate)
return compare.to_isomorphic(g1Copy) == compare.to_isomorphic(g2Copy)
def run_test(t_identifier, expected_output, source_type):
expected_output_graph = ConjunctiveGraph()
if os.path.isfile(config["properties"]["output_results"]):
os.system("rm " + config["properties"]["output_results"])
if expected_output:
expected_output_graph.parse("./output.nq", format="nquads")
os.system("mkdir results/" + t_identifier)
os.system(config["properties"]["engine_command"] + " > results/" +
t_identifier + "/" + source_type + ".log")
# if there is output file
if os.path.isfile(config["properties"]["output_results"]):
extension = config["properties"]["output_results"].split(".")[-1]
os.system("cp " + config["properties"]["output_results"] +
" results/" + t_identifier + "/output-" + source_type + "." +
extension)
# and expected output is true
if expected_output:
output_graph = ConjunctiveGraph()
iso_expected = compare.to_isomorphic(expected_output_graph)
# trying to parse the output (e.g., not valid RDF)
try:
output_graph.parse(
config["properties"]["output_results"],
format=config["properties"]["output_format"])
iso_output = compare.to_isomorphic(output_graph)
# and graphs are equal
if iso_expected == iso_output:
result = passed
# and graphs are distinct
else:
print("Output RDF does not match with the expected RDF")
result = failed
# output is not valid RDF
except:
print("Output RDF is invalid")
result = failed
# and expected output is false
else:
print("Output RDF found but none was expected")
result = failed
# if there is not output file
else:
# and expected output is true
if expected_output:
print("No RDF output found while output was expected")
result = failed
# expected output is false
else:
result = passed
results.append([
config["tester"]["tester_name"], config["engine"]["engine_name"],
source_type, t_identifier, result
])
print(t_identifier + "," + result)
def test_issue682_signing_named_graphs():
ns = Namespace("http://love.com#")
mary = BNode()
john = URIRef("http://love.com/lovers/john#")
cmary=URIRef("http://love.com/lovers/mary#")
cjohn=URIRef("http://love.com/lovers/john#")
store = IOMemory()
g = ConjunctiveGraph(store=store)
g.bind("love",ns)
gmary = Graph(store=store, identifier=cmary)
gmary.add((mary, ns['hasName'], Literal("Mary")))
gmary.add((mary, ns['loves'], john))
gjohn = Graph(store=store, identifier=cjohn)
gjohn.add((john, ns['hasName'], Literal("John")))
ig = to_isomorphic(g)
igmary = to_isomorphic(gmary)
assert len(igmary) == len(gmary)
assert len(ig) == len(g)
assert len(igmary) < len(ig)
assert ig.graph_digest() != igmary.graph_digest()
def test_issue655(self):
# make sure that inf and nan are serialized correctly
dt = XSD['double'].n3()
self.assertEqual(
Literal(float("inf"))._literal_n3(True),
'"INF"^^%s' % dt
)
self.assertEqual(
Literal(float("-inf"))._literal_n3(True),
'"-INF"^^%s' % dt
)
self.assertEqual(
Literal(float("nan"))._literal_n3(True),
'"NaN"^^%s' % dt
)
dt = XSD['decimal'].n3()
self.assertEqual(
Literal(Decimal("inf"))._literal_n3(True),
'"INF"^^%s' % dt
)
self.assertEqual(
Literal(Decimal("-inf"))._literal_n3(True),
'"-INF"^^%s' % dt
)
self.assertEqual(
Literal(Decimal("nan"))._literal_n3(True),
'"NaN"^^%s' % dt
)
self.assertEqual(
Literal("inf", datatype=XSD['decimal'])._literal_n3(True),
'"INF"^^%s' % dt
)
# assert that non-numerical aren't changed
self.assertEqual(
Literal('inf')._literal_n3(True),
'"inf"'
)
self.assertEqual(
Literal('nan')._literal_n3(True),
'"nan"'
)
PROV = Namespace('http://www.w3.org/ns/prov#')
bob = URIRef("http://example.org/object/Bob")
# g1 is a simple graph with an infinite and a nan values
g1 = Graph()
g1.add((bob, PROV.value, Literal(float("inf"))))
g1.add((bob, PROV.value, Literal(float("nan"))))
# Build g2 out of the deserialisation of g1 serialisation
g2 = Graph()
g2.parse(data=g1.serialize(format='turtle'), format='turtle')
self.assertTrue(to_isomorphic(g1) == to_isomorphic(g2))
def run_test(self, tested_file=None, result_file=None, metadata_url=None, mode=CONST_STANDARD_MODE):
result_graph_url = self._tests_location + result_file
metadata_url = self._tests_location + metadata_url if metadata_url is not None else None
csv_url = self._tests_location + tested_file if tested_file is not None else None
converted = CSVWConverter.to_rdf(csv_url, metadata_url, mode)
expected = Graph()
expected.parse(result_graph_url)
self.change_urls_in_result(expected)
self.assertEqual(to_isomorphic(converted), to_isomorphic(expected))
def test_graph_diff(g1, g2):
in_both, only_in_first, only_in_second = graph_diff(to_isomorphic(g1), to_isomorphic(g2))
only_in_first.namespace_manager = g1.namespace_manager
only_in_second.namespace_manager = g2.namespace_manager
ok_(len(only_in_second) == 0, f"""
<<<
{only_in_first.serialize(format='n3').decode('utf-8')}
===
{only_in_second.serialize(format='n3').decode('utf-8')}
>>>
""")
def test_compiler_v1_4():
compiler = RDFCompiler()
with open("tests/data/metadata_v14.ttl", "r") as _input_file:
expected_graph = Graph()
expected_graph.parse(data=_input_file.read(), format="ttl")
_ = compiler.visit(metadata_v_1_4)
expected = to_isomorphic(expected_graph)
got = to_isomorphic(compiler.graph)
for (t1, t2) in _squashed_graphs_triples(expected, got):
assert t1 == t2
assert isomorphic(expected, got)
def test_creates_entity_with_type(factory):
ross = factory("rf_me")
ross.rdf_type.add(factory('foaf_Person'))
expected = Graph()
expected.add((
URIRef('http://rossfenning.co.uk/#me'),
URIRef('http://www.w3.org/1999/02/22-rdf-syntax-ns#type'),
URIRef('http://xmlns.com/foaf/0.1/Person')))
assert to_isomorphic(factory.store) == to_isomorphic(expected)
def test_load_single(self, mock_sparql_delete, mock_sparql_insert):
with Store(self.data_path) as store:
store.add("0000-0003-1527-0030")
(orcid_id, active, last_update, person_uri, person_id, person_class, confirmed) = \
store["0000-0003-1527-0030"]
self.assertIsNone(last_update)
graph1, add_graph1, delete_graph1 = load_single(
"0000-0003-1527-0030", None, None, None, self.data_path,
"http://vivo.mydomain.edu/sparql", "*****@*****.**", "password")
self.assertEqual(319, len(add_graph1))
self.assertEqual(0, len(delete_graph1))
self.assertEqual(to_isomorphic(graph1), to_isomorphic(add_graph1))
with Store(self.data_path) as store:
# Last update now set
(orcid_id, active, last_update, person_uri, person_id, person_class, confirmed) = \
store["0000-0003-1527-0030"]
self.assertIsNotNone(last_update)
# Make sure turtle file created
self.assertTrue(
os.path.exists(
os.path.join(self.data_path, "0000-0003-1527-0030.ttl")))
# Now change a fact and run again. Changed fact is provided by vcr recording.
# Changed year of Amherst degree.
# Had to rig the Accept-Encoding to create the vcr recording with:
# r = requests.get('https://pub.orcid.org/v2.0/%s' % orcid,
# headers={"Accept": "application/json", "Accept-Encoding": "identity"})
graph2, add_graph2, delete_graph2 = load_single(
"0000-0003-1527-0030", None, None, None, self.data_path,
"http://vivo.mydomain.edu/sparql", "*****@*****.**", "password")
self.assertEqual(319, len(graph2))
self.assertEqual(17, len(add_graph2))
self.assertEqual(17, len(delete_graph2))
mock_sparql_insert.assert_has_calls([
call(add_graph1, "http://vivo.mydomain.edu/sparql",
"*****@*****.**", "password"),
call(add_graph2, "http://vivo.mydomain.edu/sparql",
"*****@*****.**", "password")
])
mock_sparql_delete.assert_has_calls([
call(delete_graph1, "http://vivo.mydomain.edu/sparql",
"*****@*****.**", "password"),
call(delete_graph2, "http://vivo.mydomain.edu/sparql",
"*****@*****.**", "password")
])
def do_algorithm(self, source_content: str,
target_content: str) -> List[SyncOperation]:
source_g = Graph().parse(format='turtle', data=source_content)
target_g = Graph().parse(format='turtle', data=target_content)
source_g_iso = to_isomorphic(source_g)
target_g_iso = to_isomorphic(target_g)
_, removals_graph, additions_graph = graph_diff(
source_g_iso, target_g_iso)
additions_ops = self._create_add_ops_from(additions_graph)
removals_ops = self._create_remove_ops_from(removals_graph)
return removals_ops + additions_ops
def test_uses_alias(factory):
factory.addAlias('favourite_cheese', 'http://rossfenning.co.uk/#favourite-cheese')
ross = factory("rf_me")
ross.favourite_cheese.add('Stinking Bishop')
expected = Graph()
expected.add((
URIRef('http://rossfenning.co.uk/#me'),
URIRef('http://rossfenning.co.uk/#favourite-cheese'),
Literal('Stinking Bishop')))
assert to_isomorphic(factory.store) == to_isomorphic(expected)
def compare_graphs(actual, expected):
actual_iso = to_isomorphic(actual)
expected_iso = to_isomorphic(expected)
if actual_iso != expected_iso:
_, in_first, in_second = graph_diff(actual_iso, expected_iso)
print("The actual and expected graphs differ")
print("----- Contents of actual graph not in expected graph -----")
dump_ttl_sorted(in_first)
print("----- Contents of expected graph not in actual graph -----")
dump_ttl_sorted(in_second)
assert actual_iso == expected_iso
def test_adds_props_during_construction(store):
factory = ThingFactory(store)
# We must use a list for the value as name is not a functional property (can only have one value)
_ = factory("rf_me", foaf_name=['Ross Fenning'])
expected = Graph()
expected.add((
URIRef('http://rossfenning.co.uk/#me'),
URIRef('http://xmlns.com/foaf/0.1/name'),
Literal('Ross Fenning')))
assert to_isomorphic(store) == to_isomorphic(expected)
def main():
values = ap.parse_args()
format1 = guess_format(values.file1)
format2 = guess_format(values.file2)
g1: Graph = Graph().parse(values.file1, format=format1)
g2: Graph = Graph().parse(values.file2, format=format2)
iso1: IsomorphicGraph = to_isomorphic(g1)
iso2: IsomorphicGraph = to_isomorphic(g2)
_in_both, in_first, in_second = graph_diff(iso1, iso2)
print(f"Only in {values.file1}")
dump_nt_sorted(in_first)
print(f"Only in {values.file2}")
dump_nt_sorted(in_second)
def process(self,_, f):
local_file = download(f, "btc-2014", "archives/")
graph = ConjunctiveGraph('Sleepycat')
# first time create the store:
graph.open(local_file+".triplestore", create = True)
for line in gzip.GzipFile(fileobj=open(local_file, 'rb')):
try:
graph.parse(data=line, format="nquads")
except Exception as e:
sys.stderr.write("ERROR: %s %s\n"%(line, e))
results = {}
for context in graph.contexts():
try:
uri = context.identifier
g = ConjunctiveGraph()
g += context
sys.stderr.write("Processing %s with %s triples...\n"%(uri, len(g)))
sys.stderr.flush()
stats = collections.defaultdict(str)
stats["id"] = uri
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
sys.stderr.write("Processed %s with %s triples in %s sec.\n"%(uri, len(g), stats['to_hash_runtime']))
except Exception as e:
sys.stderr.write("ERROR: %s %s\n"%(uri, e))
stats['error'] = str(e)
sys.stderr.flush()
stats_line = [unicode(stats[c]).encode('ascii', 'ignore') for c in stat_cols]
results[uri] = stats_line
sys.stderr.write("Digested %s into %s graphs.\n"%(f, len(results)))
results_string = '\n'.join([','.join(row) for row in results.values()])
yield "benchmark", results_string
def digest_graph(self, uri, nquads):
nquads = '\n'.join(list(nquads))
sys.stderr.write("Processing %s (%d)...\n" % (uri, len(nquads)))
stats = collections.defaultdict(str)
stats["id"] = uri
try:
g = ConjunctiveGraph()
g.parse(data=nquads, format="nquads")
stats['ontology'] = g.value(predicate=RDF.type,
object=OWL.Class) is not None
sys.stderr.flush()
stats['lines'] = len(nquads.split('\n'))
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
#stats['graph_digest'] = graph_digest
except Exception as e:
sys.stderr.write("ERROR: %s %s\n" % (stats['id'], e))
stats['error'] = str(e)
#if stats['to_hash_runtime'] > 0.1:
sys.stderr.write("Processed %s with %s triples in %s sec.\n" %
(uri, len(g), stats['to_hash_runtime']))
stats_line = [str(stats[c]) for c in stat_cols]
result_string = StringIO.StringIO()
result_writer = csv.writer(result_string)
result_writer.writerow(stats_line)
yield "benchmark", result_string.getvalue()
def digest_graph(self, uri, nquads):
nquads = '\n'.join(list(nquads))
sys.stderr.write("Processing %s (%d)...\n"%(uri, len(nquads)))
stats = collections.defaultdict(str)
stats["id"] = uri
try:
g = ConjunctiveGraph()
g.parse(data=nquads, format="nquads")
stats['ontology'] = g.value(predicate=RDF.type, object=OWL.Class) is not None
sys.stderr.flush()
stats['lines'] = len(nquads.split('\n'))
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
#stats['graph_digest'] = graph_digest
except Exception as e:
sys.stderr.write("ERROR: %s %s\n"%(stats['id'], e))
stats['error'] = str(e)
#if stats['to_hash_runtime'] > 0.1:
sys.stderr.write("Processed %s with %s triples in %s sec.\n"%(uri, len(g), stats['to_hash_runtime']))
stats_line = [str(stats[c]) for c in stat_cols]
result_string = StringIO.StringIO()
result_writer = csv.writer(result_string)
result_writer.writerow(stats_line)
yield "benchmark", result_string.getvalue()
def digest_multigraph(self, _, nquads):
try:
nquads = '\n'.join(list(nquads))
g = ConjunctiveGraph()
g.parse(data=nquads, format="nquads")
except:
return
result = None
for graph in g.contexts():
sys.stderr.write("Processing %s...\n"%graph.identifier)
stats = collections.defaultdict(str)
stats["id"] = graph.identifier
try:
ig = to_isomorphic(graph)
graph_digest = ig.graph_digest(stats)
#stats['graph_digest'] = graph_digest
except Exception as e:
sys.stderr.write("ERROR: %s %s\n"%(stats['id'], e))
stats['error'] = str(e)
#if stats['to_hash_runtime'] > 0.1:
sys.stderr.write("Processed %s with %s triples in %s sec.\n"%(graph.identifier, len(graph), stats['to_hash_runtime']))
stats_line = [str(stats[c]) for c in stat_cols]
result_string = StringIO.StringIO()
result_writer = csv.writer(result_string)
result_writer.writerow(stats_line)
if result is None:
result = result_string.getvalue()
else:
result = result + "\n" + result_string.getvalue()
yield "benchmark", result
def process_one(uri):
stats = collections.defaultdict(str)
stats["id"] = uri
stats['debug'] = True
try:
g = ConjunctiveGraph()
g.parse(data=requests.get(uri,
headers={
"Accept": "application/rdf+xml"
}).text,
format="xml")
#print g.serialize(format="turtle")
stats['lines'] = len(g)
sys.stderr.write("Processing %s (%d)...\n" % (uri, stats['lines']))
sys.stderr.flush()
stats['ontology'] = g.value(predicate=RDF.type,
object=OWL.Class) is not None
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
sys.stderr.write("Processed %s with %s triples in %s sec.\n" %
(uri, len(g), stats['to_hash_runtime']))
except Exception as e:
sys.stderr.write("ERROR: %s %s\n" % (uri, e))
stats['error'] = str(e)
sys.stderr.flush()
print '\n'.join(
['%s:\t%s' % (key, str(value)) for key, value in stats.items()])
return [str(stats[c]) for c in stat_cols]
def write(self):
doc_node = self.create_doc()
# Add creation info
creation_info_node = self.create_creation_info()
ci_triple = (doc_node, self.spdx_namespace.creationInfo,
creation_info_node)
self.graph.add(ci_triple)
# Add review info
review_nodes = self.reviews()
for review in review_nodes:
self.graph.add((doc_node, self.spdx_namespace.reviewed, review))
# Add extracted licenses
licenses = map(self.create_extracted_license,
self.document.extracted_licenses)
for lic in licenses:
self.graph.add(
(doc_node, self.spdx_namespace.hasExtractedLicensingInfo, lic))
# Add files
files = self.files()
for file_node in files:
self.graph.add(
(doc_node, self.spdx_namespace.referencesFile, file_node))
self.add_file_dependencies()
# Add package
package_node = self.packages()
package_triple = (doc_node, self.spdx_namespace.describesPackage,
package_node)
self.graph.add(package_triple)
# normalize the graph to ensure that the sort order is stable
self.graph = to_isomorphic(self.graph)
# Write file
self.graph.serialize(self.out, 'pretty-xml', encoding='utf-8')
def digest_graphs(self, _, line):
if ".nq" not in line:
return
#sys.stderr.write("Downloading %s\n"%line)
#local_file = download(line, "btc-2014", "archives/")
#sys.stderr.write("Downloaded %s\n"%line)
#f = gzip.GzipFile(fileobj=open(local_file, 'rb'))
#allGraphs = ConjunctiveGraph(store='Sleepycat')
#allGraphs.open("local_store", create=True)
#for line in f:
# try:
# allGraphs.parse(data=line, format="nquads")
# except:
# sys.stderr.write( "BAD LINE: %s"% line)
# # pass
#sys.stderr.write("Parsed %s"%line)
#yield 'benchmark', ','.join(stat_cols)
#results = StringIO.StringIO()
#resultsWriter = csv.writer(results)
results = {}
graphs = collections.defaultdict(str)
i = 0
#for g in allGraphs.contexts():
# i += 1
for uri, lines in self.segment_graphs(_, line):
#if uri is None:
# continue
i += 1
graphs[uri] += '\n' + lines
stats = collections.defaultdict(str)
stats["id"] = uri
try:
g = ConjunctiveGraph()
g.parse(data=graphs[uri], format="nquads")
sys.stderr.flush()
if len(g) == 0:
sys.stderr.write("%s (%d)" % (graphs[uri], len(g)))
stats['lines'] = len(graphs[uri].split('\n'))
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
#stats['graph_digest'] = graph_digest
except Exception as e:
sys.stderr.write("ERROR: %s %s\n" % (stats['id'], e))
stats['error'] = str(e)
sys.stderr.write("Processed %s with %s triples in %s sec.\n" %
(uri, len(g), stats['to_hash_runtime']))
stats_line = [str(stats[c]) for c in stat_cols]
results[uri] = stats_line
#resultsWriter.writerow(stats_line)
try:
shutil.rmtree(store_dir)
except:
pass
sys.stderr.write("Digested %s into %s graphs.\n" % (line, len(graphs)))
results_string = StringIO.StringIO()
results_writer = csv.writer(results_string)
for result in results.values():
results_writer.writerow(result)
yield "benchmark", results_string.getvalue()
def main():
from rdflib import Graph
from rdflib.compare import to_isomorphic, graph_diff
with open(sys.argv[1]) as f:
d1 = f.read()
with open(sys.argv[2]) as f:
d2 = f.read()
print('Loading graph 1 from ' + sys.argv[1])
g1 = Graph().parse(format='n3', data=d1)
print('Loading graph 2 from ' + sys.argv[2])
g2 = Graph().parse(format='n3', data=d2)
iso1 = to_isomorphic(g1)
iso2 = to_isomorphic(g2)
def get_digest_value(rdf, mimetype):
graph = Graph()
graph.load(StringIO(rdf),format=mimetype)
stats = {}
ig = to_isomorphic(graph)
result = ig.graph_digest(stats)
print(stats)
return result
def main():
from rdflib import Graph
from rdflib.compare import to_isomorphic, graph_diff
with open(sys.argv[1]) as f:
d1 = f.read()
with open(sys.argv[2]) as f:
d2 = f.read()
print('Loading graph 1 from ' + sys.argv[1])
g1 = Graph().parse(format='n3', data=d1)
print('Loading graph 2 from ' + sys.argv[2])
g2 = Graph().parse(format='n3', data=d2)
iso1 = to_isomorphic(g1)
iso2 = to_isomorphic(g2)
def digest_graphs(self, _, line):
if ".nq" not in line:
return
#sys.stderr.write("Downloading %s\n"%line)
#local_file = download(line, "btc-2014", "archives/")
#sys.stderr.write("Downloaded %s\n"%line)
#f = gzip.GzipFile(fileobj=open(local_file, 'rb'))
#allGraphs = ConjunctiveGraph(store='Sleepycat')
#allGraphs.open("local_store", create=True)
#for line in f:
# try:
# allGraphs.parse(data=line, format="nquads")
# except:
# sys.stderr.write( "BAD LINE: %s"% line)
# # pass
#sys.stderr.write("Parsed %s"%line)
#yield 'benchmark', ','.join(stat_cols)
#results = StringIO.StringIO()
#resultsWriter = csv.writer(results)
results = {}
graphs = collections.defaultdict(str)
i = 0
#for g in allGraphs.contexts():
# i += 1
for uri, lines in self.segment_graphs(_, line):
#if uri is None:
# continue
i += 1
graphs[uri] += '\n'+lines
stats = collections.defaultdict(str)
stats["id"] = uri
try:
g = ConjunctiveGraph()
g.parse(data=graphs[uri], format="nquads")
sys.stderr.flush()
if len(g) == 0:
sys.stderr.write("%s (%d)" % (graphs[uri], len(g)))
stats['lines'] = len(graphs[uri].split('\n'))
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
#stats['graph_digest'] = graph_digest
except Exception as e:
sys.stderr.write("ERROR: %s %s\n"%(stats['id'], e))
stats['error'] = str(e)
sys.stderr.write("Processed %s with %s triples in %s sec.\n"%(uri, len(g), stats['to_hash_runtime']))
stats_line = [str(stats[c]) for c in stat_cols]
results[uri] = stats_line
#resultsWriter.writerow(stats_line)
try:
shutil.rmtree(store_dir)
except:
pass
sys.stderr.write("Digested %s into %s graphs.\n"%(line, len(graphs)))
results_string = StringIO.StringIO()
results_writer = csv.writer(results_string)
for result in results.values():
results_writer.writerow(result)
yield "benchmark", results_string.getvalue()
def graphdiff(first, second):
"""
Diff between graph instances, should be replaced/included in quit diff
"""
from rdflib.compare import to_isomorphic, graph_diff
diffs = OrderedDict()
iris = set()
if first is not None and isinstance(first, InMemoryAggregatedGraph):
first_identifiers = list((g.identifier for g in first.graphs()))
iris = iris.union(first_identifiers)
if second is not None and isinstance(second, InMemoryAggregatedGraph):
second_identifiers = list((g.identifier for g in second.graphs()))
iris = iris.union(second_identifiers)
for iri in sorted(list(iris)):
changes = diffs.get(iri, [])
if (first is not None and iri in first_identifiers) and (
second is not None and iri in second_identifiers):
g1 = first.get_context(iri)
g2 = second.get_context(iri)
in_both, in_first, in_second = graph_diff(to_isomorphic(g1),
to_isomorphic(g2))
if len(in_second) > 0:
changes.append(
('additions', ((s, p, o) for s, p, o in in_second)))
if len(in_first) > 0:
changes.append(
('removals', ((s, p, o) for s, p, o in in_first)))
elif first is not None and iri in first_identifiers:
changes.append(
('removals', ((s, p, o)
for s, p, o in first.get_context(iri))))
elif second is not None and iri in second_identifiers:
changes.append(
('additions', ((s, p, o)
for s, p, o in second.get_context(iri))))
else:
continue
diffs[iri] = changes
return diffs
def test_load_single(self, mock_sparql_delete, mock_sparql_insert):
with Store(self.data_path) as store:
store.add("0000-0003-1527-0030")
(orcid_id, active, last_update, person_uri, person_id, person_class, confirmed) = \
store["0000-0003-1527-0030"]
self.assertIsNone(last_update)
graph1, add_graph1, delete_graph1 = load_single("0000-0003-1527-0030", None, None, None, self.data_path,
"http://vivo.mydomain.edu/sparql", "*****@*****.**",
"password")
self.assertEqual(319, len(add_graph1))
self.assertEqual(0, len(delete_graph1))
self.assertEqual(to_isomorphic(graph1), to_isomorphic(add_graph1))
with Store(self.data_path) as store:
# Last update now set
(orcid_id, active, last_update, person_uri, person_id, person_class, confirmed) = \
store["0000-0003-1527-0030"]
self.assertIsNotNone(last_update)
# Make sure turtle file created
self.assertTrue(os.path.exists(os.path.join(self.data_path, "0000-0003-1527-0030.ttl")))
# Now change a fact and run again. Changed fact is provided by vcr recording.
# Changed year of Amherst degree.
# Had to rig the Accept-Encoding to create the vcr recording with:
# r = requests.get('https://pub.orcid.org/v2.0/%s' % orcid,
# headers={"Accept": "application/json", "Accept-Encoding": "identity"})
graph2, add_graph2, delete_graph2 = load_single("0000-0003-1527-0030", None, None, None,
self.data_path, "http://vivo.mydomain.edu/sparql",
"*****@*****.**", "password")
self.assertEqual(319, len(graph2))
self.assertEqual(17, len(add_graph2))
self.assertEqual(17, len(delete_graph2))
mock_sparql_insert.assert_has_calls([
call(add_graph1, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password"),
call(add_graph2, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password")])
mock_sparql_delete.assert_has_calls([
call(delete_graph1, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password"),
call(delete_graph2, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password")])
def rem_metadata(g: Graph) -> IsomorphicGraph:
g_iso = to_isomorphic(g)
for t in list(g_iso.triples((None, METAMODEL_NAMESPACE.generation_date, None))):
g_iso.remove(t)
for t in list(g_iso.triples((None, METAMODEL_NAMESPACE.source_file_date, None))):
g_iso.remove(t)
for t in list(g_iso.triples((None, METAMODEL_NAMESPACE.source_file_size, None))):
g_iso.remove(t)
return g_iso
def rdf_comparator(self, old_data: str, new_data: str,
new_file: str) -> None:
"""
RDF comparator. Compare two graphs and, if they don't match, save a turtle image of new_data in
new_file and raise an error
:param old_data: Turtle representation of expected RDF
:param new_data: Turtle representation of actual RDF
:param new_file: Save actual RDF here if mismatch
:return:
"""
old_graph = Graph()
new_graph = Graph()
old_graph.parse(data=old_data, format="turtle")
new_graph.parse(data=new_data, format="turtle")
old_iso = to_isomorphic(old_graph)
# Remove the metadata specific triples
for t in list(
old_iso.triples(
(None, METAMODEL_NAMESPACE.generation_date, None))):
old_iso.remove(t)
new_iso = to_isomorphic(new_graph)
for t in list(
new_iso.triples(
(None, METAMODEL_NAMESPACE.generation_date, None))):
new_iso.remove(t)
# Graph compare takes a Looong time
in_both, in_old, in_new = graph_diff(old_iso, new_iso)
# if old_iso != new_iso:
# in_both, in_old, in_new = graph_diff(old_iso, new_iso)
old_len = len(list(in_old))
new_len = len(list(in_new))
if old_len or new_len:
if old_len:
print("----- Old graph only -----")
self._print_triples(in_old)
if new_len:
print("----- New Grapn Only -----")
self._print_triples(in_new)
with open(new_file, 'w') as newf:
newf.write(new_data)
self.assertTrue(False, "RDF file mismatch")
def rem_metadata(g: Graph) -> IsomorphicGraph:
# Remove list declarations from target
for s in g.subjects(RDF.type, RDF.List):
g.remove((s, RDF.type, RDF.List))
for t in g:
if t[1] in (LINKML.generation_date, LINKML.source_file_date,
LINKML.source_file_size, TYPE.generation_date,
TYPE.source_file_date, TYPE.source_file_size):
g.remove(t)
g_iso = to_isomorphic(g)
return g_iso
def test_load_single(self, mock_sparql_delete, mock_sparql_insert):
with Store(self.data_path) as store:
store.add("0000-0003-1527-0030")
(orcid_id, active, last_update, person_uri, person_id, person_class, confirmed) = \
store["0000-0003-1527-0030"]
self.assertIsNone(last_update)
graph1, add_graph1, delete_graph1 = load_single("0000-0003-1527-0030", None, None, None, self.data_path,
"http://vivo.mydomain.edu/sparql", "*****@*****.**",
"password")
self.assertEqual(232, len(add_graph1))
self.assertEqual(0, len(delete_graph1))
self.assertEqual(to_isomorphic(graph1), to_isomorphic(add_graph1))
with Store(self.data_path) as store:
#Last update now set
(orcid_id, active, last_update, person_uri, person_id, person_class, confirmed) = \
store["0000-0003-1527-0030"]
self.assertIsNotNone(last_update)
#Make sure turtle file created
self.assertTrue(os.path.exists(os.path.join(self.data_path, "0000-0003-1527-0030.ttl")))
#Now change a fact and run again. Changed fact is provided by vcr recording.
#Changed year of Amherst degree.
graph2, add_graph2, delete_graph2 = load_single("0000-0003-1527-0030", None, None, None,
self.data_path, "http://vivo.mydomain.edu/sparql",
"*****@*****.**", "password")
self.assertEqual(232, len(graph2))
self.assertEqual(17, len(add_graph2))
self.assertEqual(17, len(delete_graph2))
mock_sparql_insert.assert_has_calls([
call(add_graph1, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password"),
call(add_graph2, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password")])
mock_sparql_delete.assert_has_calls([
call(delete_graph1, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password"),
call(delete_graph2, "http://vivo.mydomain.edu/sparql", "*****@*****.**", "password")])
def graphdiff(first, second):
"""
Diff between graph instances, should be replaced/included in quit diff
"""
from rdflib.compare import to_isomorphic, graph_diff
diffs = OrderedDict()
iris = set()
if first is not None and isinstance(first, InMemoryAggregatedGraph):
first_identifiers = list((g.identifier for g in first.graphs()))
iris = iris.union(first_identifiers)
if second is not None and isinstance(second, InMemoryAggregatedGraph):
second_identifiers = list((g.identifier for g in second.graphs()))
iris = iris.union(second_identifiers)
for iri in sorted(list(iris)):
changes = diffs.get(iri, [])
if (
first is not None and iri in first_identifiers
) and (
second is not None and iri in second_identifiers
):
g1 = first.get_context(iri)
g2 = second.get_context(iri)
in_both, in_first, in_second = graph_diff(to_isomorphic(g1), to_isomorphic(g2))
if len(in_second) > 0:
changes.append(('additions', ((s, p, o) for s, p, o in in_second)))
if len(in_first) > 0:
changes.append(('removals', ((s, p, o) for s, p, o in in_first)))
elif first is not None and iri in first_identifiers:
changes.append(('removals', ((s, p, o) for s, p, o in first.get_context(iri))))
elif second is not None and iri in second_identifiers:
changes.append(('additions', ((s, p, o) for s, p, o in second.get_context(iri))))
else:
continue
diffs[iri] = changes
return diffs
def test_graphs_equal(self):
self.origin = reset_store_and_setup_origin()
# TODO: make this file callable and with parameter: check URIs
self.origin.GET(only_follow_uris=[])
g1 = self.origin._graph
g2 = self.origin.get_graph()
# normal rdflib.compare does not work correctly with
# conjunctiveGraph, unless there is only one graph within that
self.assertEqual(len(list(g1.contexts())), 1)
self.assertEqual(len(list(g2.contexts())), 1)
self.assertEqual(len(g1), len(g2))
self.assertEqual(compare.to_isomorphic(g1), compare.to_isomorphic(g2))
nsbindungs_orig = dict(g1.namespace_manager.namespaces())
nsbindungs_new = dict(g2.namespace_manager.namespaces())
self.assertEqual(nsbindungs_orig, nsbindungs_new)
def _are_added_triples(self, cur_subj):
subj = cur_subj
cur_subj_g = cur_subj.g
prev_subj_g = Graph()
query = "CONSTRUCT {<%s> ?p ?o} WHERE {<%s> ?p ?o}" % (subj, subj)
result = self.ts.query(query)
if result:
for s, p, o in result:
prev_subj_g.add((s, p, o))
iso1 = to_isomorphic(prev_subj_g)
iso2 = to_isomorphic(cur_subj_g)
if iso1 == iso2: # the graphs are the same
return None
else:
in_both, in_first, in_second = graph_diff(iso1, iso2)
query_string = u"INSERT DATA { GRAPH <%s> { " % cur_subj_g.identifier
query_string += in_second.serialize(
format="nt11", encoding="utf-8").decode("utf-8")
return query_string.replace('\n\n', '') + "} }"
def canonicalize(resource):
digest = to_isomorphic(resource.graph).graph_digest()
#canonical = list(iso[:RDFS.label:resource.label()])[0]
#print str(canonical), '\n', iso.serialize(format='turtle')
skolemized = _prefix[str(digest)]
for s, p, o in resource.graph.triples((None, None, resource.identifier)):
resource.graph.remove((s, p, o))
resource.graph.add((s, p, skolemized))
for s, p, o in resource.graph.triples((resource.identifier, None, None)):
resource.graph.remove((s, p, o))
resource.graph.add((skolemized, p, o))
return resource.graph.resource(skolemized)
def canonicalize(resource):
digest = to_isomorphic(resource.graph).graph_digest()
#canonical = list(iso[:RDFS.label:resource.label()])[0]
#print str(canonical), '\n', iso.serialize(format='turtle')
skolemized = _prefix[str(digest)]
for s, p, o in resource.graph.triples((None, None, resource.identifier)):
resource.graph.remove((s, p, o))
resource.graph.add((s, p, skolemized))
for s, p, o in resource.graph.triples((resource.identifier, None, None)):
resource.graph.remove((s, p, o))
resource.graph.add((skolemized, p, o))
return resource.graph.resource(skolemized)
def test_issue655(self):
# make sure that inf and nan are serialized correctly
dt = XSD['double'].n3()
self.assertEqual(
Literal(float("inf"))._literal_n3(True), '"INF"^^%s' % dt)
self.assertEqual(
Literal(float("-inf"))._literal_n3(True), '"-INF"^^%s' % dt)
self.assertEqual(
Literal(float("nan"))._literal_n3(True), '"NaN"^^%s' % dt)
dt = XSD['decimal'].n3()
self.assertEqual(
Literal(Decimal("inf"))._literal_n3(True), '"INF"^^%s' % dt)
self.assertEqual(
Literal(Decimal("-inf"))._literal_n3(True), '"-INF"^^%s' % dt)
self.assertEqual(
Literal(Decimal("nan"))._literal_n3(True), '"NaN"^^%s' % dt)
self.assertEqual(
Literal("inf", datatype=XSD['decimal'])._literal_n3(True),
'"INF"^^%s' % dt)
# assert that non-numerical aren't changed
self.assertEqual(Literal('inf')._literal_n3(True), '"inf"')
self.assertEqual(Literal('nan')._literal_n3(True), '"nan"')
PROV = Namespace('http://www.w3.org/ns/prov#')
bob = URIRef("http://example.org/object/Bob")
# g1 is a simple graph with an infinite and a nan values
g1 = Graph()
g1.add((bob, PROV.value, Literal(float("inf"))))
g1.add((bob, PROV.value, Literal(float("nan"))))
# Build g2 out of the deserialisation of g1 serialisation
g2 = Graph()
g2.parse(data=g1.serialize(format='turtle'), format='turtle')
self.assertTrue(to_isomorphic(g1) == to_isomorphic(g2))
def write(self):
doc_node = self.create_doc()
# Add creation info
creation_info_node = self.create_creation_info()
ci_triple = (doc_node, self.spdx_namespace.creationInfo,
creation_info_node)
self.graph.add(ci_triple)
# Add review info
review_nodes = self.reviews()
for review in review_nodes:
self.graph.add((doc_node, self.spdx_namespace.reviewed, review))
# Add external document references info
ext_doc_ref_nodes = self.ext_doc_refs()
for ext_doc_ref in ext_doc_ref_nodes:
ext_doc_ref_triple = (
doc_node,
self.spdx_namespace.externalDocumentRef,
ext_doc_ref,
)
self.graph.add(ext_doc_ref_triple)
# Add extracted licenses
licenses = map(self.create_extracted_license,
self.document.extracted_licenses)
for lic in licenses:
self.graph.add(
(doc_node, self.spdx_namespace.hasExtractedLicensingInfo, lic))
# Add files
files = self.files()
for file_node in files:
self.graph.add(
(doc_node, self.spdx_namespace.referencesFile, file_node))
self.add_file_dependencies()
# Add package
for package_node in self.packages():
package_triple = (doc_node, self.spdx_namespace.describesPackage,
package_node)
self.graph.add(package_triple)
"""# Add relationship
relate_node = self.relationships()
relate_triple = (doc_node, self.spdx_namespace.relationship, relate_node)
self.graph.add(relate_triple)"""
# Add snippet
snippet_nodes = self.snippets()
for snippet in snippet_nodes:
self.graph.add((doc_node, self.spdx_namespace.Snippet, snippet))
# normalize the graph to ensure that the sort order is stable
self.graph = to_isomorphic(self.graph)
# Write file
self.graph.serialize(self.out, "pretty-xml", encoding="utf-8")
def readIsomorphicGraph(self, file):
graph = ConjunctiveGraph(identifier='')
# check if we handle a directory or a seperate file
if isdir(file):
# for a better readability rename variable
dir = file
for path, dirs, files in walk(file):
for file in files:
absfile = join(path, file)
format = rdflib.util.guess_format(absfile)
if format is not None:
graph.parse(absfile,
format=format,
publicID=self.nsQuitDiff)
elif isfile(file):
format = rdflib.util.guess_format(file)
if format is not None:
graph.parse(file, format=format, publicID=self.nsQuitDiff)
contextDict = {}
contextDict[self.nsQuitDiff] = Graph()
for subgraph in graph.contexts():
# TODO we have to copy all the triples to a new ConjunctiveGraph
# because https://rdflib.readthedocs.io/en/stable/_modules/rdflib/compare.html takes the complete store
# and thus doesn't support quads
triples = subgraph.triples((None, None, None))
if isinstance(subgraph.identifier, BNode) or str(
subgraph.identifier) == self.nsQuitDiff:
subgraphConjunctive = contextDict[self.nsQuitDiff]
else:
try:
subGraphConjunctive = contextDict[subgraph.identifier]
except:
contextDict[subgraph.identifier] = ConjunctiveGraph()
subgraphConjunctive = contextDict[subgraph.identifier]
for triple in triples:
subgraphConjunctive.add(triple)
# end TODO hack
graphDict = {}
for identifier, graph in contextDict.items():
graphDict[identifier] = compare.to_isomorphic(graph)
return graphDict
def readIsomorphicGraph(self, file):
graph = ConjunctiveGraph(identifier='')
# check if we handle a directory or a seperate file
if isdir(file):
# for a better readability rename variable
dir = file
for path, dirs, files in walk(file):
for file in files:
absfile = join(path, file)
format = rdflib.util.guess_format(absfile)
if format is not None:
graph.parse(absfile, format=format, publicID=self.nsQuitDiff)
elif isfile(file):
format = rdflib.util.guess_format(file)
if format is not None:
graph.parse(file, format=format, publicID=self.nsQuitDiff)
contextDict = {}
contextDict[self.nsQuitDiff] = Graph()
for subgraph in graph.contexts():
# TODO we have to copy all the triples to a new ConjunctiveGraph
# because https://rdflib.readthedocs.io/en/stable/_modules/rdflib/compare.html takes the complete store
# and thus doesn't support quads
triples = subgraph.triples((None, None, None))
if isinstance(subgraph.identifier, BNode) or str(subgraph.identifier) == self.nsQuitDiff:
subgraphConjunctive = contextDict[self.nsQuitDiff]
else:
try:
subGraphConjunctive = contextDict[subgraph.identifier]
except:
contextDict[subgraph.identifier] = ConjunctiveGraph()
subgraphConjunctive = contextDict[subgraph.identifier]
for triple in triples:
subgraphConjunctive.add(triple)
# end TODO hack
graphDict = {}
for identifier, graph in contextDict.items():
graphDict[identifier] = compare.to_isomorphic(graph)
return graphDict
def worker(q, finished_tasks, dl_lock):
try:
while True:
stats = q.get()
og = Graph()
try:
og.load(stats["download_url"])
print(stats["ontology"], stats["id"])
ig = to_isomorphic(og)
graph_digest = ig.graph_digest(stats)
finished_tasks.put(stats)
except Exception as e:
print("ERROR", stats["id"], e)
stats["error"] = str(e)
finished_tasks.put(stats)
except queue.Empty:
pass
def worker(q, finished_tasks, dl_lock):
try:
while True:
stats = q.get()
og = Graph()
try:
og.load(stats['download_url'])
print stats['ontology'], stats['id']
ig = to_isomorphic(og)
graph_digest = ig.graph_digest(stats)
finished_tasks.put(stats)
except Exception as e:
print 'ERROR', stats['id'], e
stats['error'] = str(e)
finished_tasks.put(stats)
except Empty:
pass
def worker(q, finished_tasks, dl_lock):
try:
while True:
stats = q.get()
og = Graph()
try:
og.load(stats['download_url'])
print(stats['ontology'], stats['id'])
ig = to_isomorphic(og)
graph_digest = ig.graph_digest(stats)
finished_tasks.put(stats)
except Exception as e:
print('ERROR', stats['id'], e)
stats['error'] = str(e)
finished_tasks.put(stats)
except queue.Empty:
pass
def digest_graph(uri, turtle):
stats = collections.defaultdict(str)
stats["id"] = uri
#stats['lines'] = len(nquads.split('\n'))
#sys.stderr.flush()
try:
g = ConjunctiveGraph()
g.parse(data=turtle, format="turtle")
#sys.stderr.write("Processing %s (%d)...\n"%(uri, len(g)))
sys.stderr.write('.')
sys.stderr.flush()
stats['ontology'] = g.value(predicate=RDF.type, object=OWL.Class) is not None
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
#sys.stderr.write("Processed %s with %s triples in %s sec.\n"%(uri, len(g), stats['to_hash_runtime']))
except Exception as e:
sys.stderr.write("ERROR: %s %s\n"%(uri, e))
sys.stderr.flush()
stats['error'] = str(e)
#print nquads
return [unicode(stats[c]).encode("ascii","ignore") for c in stat_cols]
def process_one(uri):
stats = collections.defaultdict(str)
stats["id"] = uri
stats['debug'] = True
try:
g = ConjunctiveGraph()
g.parse(data=requests.get(uri,headers={"Accept":"application/rdf+xml"}).text,format="xml")
#print g.serialize(format="turtle")
stats['lines'] = len(g)
sys.stderr.write("Processing %s (%d)...\n"%(uri, stats['lines']))
sys.stderr.flush()
stats['ontology'] = g.value(predicate=RDF.type, object=OWL.Class) is not None
ig = to_isomorphic(g)
graph_digest = ig.graph_digest(stats)
sys.stderr.write("Processed %s with %s triples in %s sec.\n"%(uri, len(g), stats['to_hash_runtime']))
except Exception as e:
sys.stderr.write("ERROR: %s %s\n"%(uri, e))
stats['error'] = str(e)
sys.stderr.flush()
print '\n'.join(['%s:\t%s'%(key, str(value)) for key, value in stats.items()])
return [str(stats[c]) for c in stat_cols]
def worker(q, finished_tasks, dl_lock):
try:
while True:
stats = q.get()
og = Graph()
try:
try:
dl_lock.acquire()
og.load(stats['download_url'] + "?apikey=%s" % apikey)
finally:
dl_lock.release()
print(stats['ontology'], stats['id'])
ig = to_isomorphic(og)
graph_digest = ig.graph_digest(stats)
finished_tasks.put(stats)
except Exception as e:
print('ERROR', stats['id'], e)
stats['error'] = str(e)
finished_tasks.put(stats)
except Empty:
pass
def GET(
self,
GRAPH_SIZE_LIMIT=30000,
only_follow_uris=None,
handle_owl_imports=False,
raise_errors=True,
skip_urls=None,
httphandler=None,
):
if not self.uri:
raise Exception("Please provide URI first")
if skip_urls is not None and self.uri.encode("utf8") in skip_urls:
self.add_error("Skipped")
self.processed = True
return
logger.info(u"GET %s..." % self.uri)
if self.has_unsaved_changes():
if self.processed:
raise Exception("Please save all changes before querying "
"again. Merging not supported yet")
else:
logger.warning("There were Resource objects created before "
"processing the resource's origin.")
now = datetime.datetime.now()
# self.timedelta = datetime.timedelta(minutes=1)
if hasattr(self, "timedelta") and hasattr(self, 'last_processed'):
time_since_last_processed = now - self.last_processed
if (time_since_last_processed < self.timedelta):
logger.info(
"Not processing %s again because was processed only %s ago" % (self.uri, time_since_last_processed))
return
self.last_processed = now
try:
data = self.backend.GET(self.uri, httphandler=httphandler)
except urllib2.HTTPError as e:
if e.code in [
401,
403,
503, # Service Temporarily Unavailable
404, # Not Found
]:
self.add_error(e.code)
if raise_errors:
raise e
else:
return
except urllib2.URLError as e:
self.add_error("timeout")
if raise_errors:
raise e
else:
return
except ContentNegotiationError as e:
logger.error(e.message)
if raise_errors:
raise e
else:
return
graph = rdflib.graph.ConjunctiveGraph(identifier=self.uri)
try:
if data:
# Important: Do not pass data=data without publicID=uri because
# relative URIs (#deri) won't be an absolute uri in that case!
publicID = self.uri
reference_time = datetime.datetime.now()
graph.parse(data=data, publicID=publicID, format=self.backend.format)
now = datetime.datetime.now()
self.graph_parse_time = now - reference_time
# normal rdflib.compare does not work correctly with
# ConjunctiveGraph, unless there is only one graph within that
except SAXParseException as e:
self.add_error("SAXParseException")
logger.error("SAXParseException: %s" % self)
if raise_errors:
raise e
else:
return
except rdflib.exceptions.ParserError as e:
self.add_error("ParserError")
logger.error("ParserError: %s" % self)
if raise_errors:
raise e
else:
return
except IOError as e:
self.add_error("IOError")
logger.error("IOError: %s" % self)
if raise_errors:
raise e
else:
return
self.processed = True
if hasattr(self, "errors"):
delattr(self, "errors")
g_length = len(graph)
if g_length > 0:
if len(list(graph.contexts())) > 1:
# detect problems with graph contexts: rdflib can only
# compare graphs with one context. If a graph has more
# contexts this might result in wrong comparisons of graphs
# Still ignored here as ldtools is more robust by doing so.
logger.error("The graph has more than one context. This"
"might cause problems comparing the graphs!")
if g_length > GRAPH_SIZE_LIMIT:
logger.error("Maximum graph size exceeded. Thr graph is %s "
"triples big. Limit is set to %s. The aquired "
"graph exceeds that! Pass GRAPH_SIZE_LIMIT to set it "
"differently." % (g_length, GRAPH_SIZE_LIMIT))
return
if hasattr(self, "_graph"):
# we already assured that there are no unsaved_changes
# --> get_graph() == _graph
logger.info(u"Already crawled: %s. Comparing graphs..." % self.uri)
if compare.to_isomorphic(self._graph) ==\
compare.to_isomorphic(graph):
return
else:
logging.warning("GET retrieved updates for %s!" % self.uri)
my_graph_diff(self._graph, graph)
for resource in self.get_resources():
resource.delete()
delattr(self, "handled")
if hasattr(self, "handled"):
return
self._graph = graph
graph_handler = GraphHandler(
only_follow_uris=only_follow_uris,
handle_owl_imports=handle_owl_imports,
origin=self)
graph_handler.populate_resources(graph=graph)
self.handled = True
def my_graph_diff(graph1, graph2):
"""Compares graph2 to graph1 and highlights everything that changed.
Colored if pygments available"""
# quick fix for wrong type
if not type(graph1) == type(graph2) == rdflib.Graph:
if type(graph1) == rdflib.ConjunctiveGraph:
g1contexts = list(graph1.contexts())
assert len(g1contexts) == 1
graph1 = g1contexts[0]
if type(graph2) == rdflib.ConjunctiveGraph:
g2contexts = list(graph2.contexts())
assert len(g2contexts) == 1
graph2 = g2contexts[0]
# Return if both graphs are isomorphic
iso1 = compare.to_isomorphic(graph1)
iso2 = compare.to_isomorphic(graph2)
if graph1.identifier == graph2.identifier:
str_bit = u"The 2 '%s' Graphs" % graph1.identifier
else:
str_bit = (u"Graphs '%s' and '%s'"
% (graph1.identifier, graph2.identifier))
if iso1 == iso2:
logger.debug(u"%s are isomorphic" % str_bit)
return
print(u"Differences between %s." % str_bit)
in_both, in_first, in_second = compare.graph_diff(iso1, iso2)
def dump_nt_sorted(g):
return sorted(g.serialize(format='nt').splitlines())
sorted_first = dump_nt_sorted(in_first)
sorted_second = dump_nt_sorted(in_second)
import difflib
diff = difflib.unified_diff(
sorted_first,
sorted_second,
u'Original',
u'Current',
lineterm=''
)
try:
from pygments import highlight
from pygments.formatters import terminal
from pygments.lexers import web
lexer = web.XmlLexer()
formatter = terminal.TerminalFormatter()
print(highlight(u'\n'.join(diff), lexer, formatter))
except ImportError:
logger.info("Install pygments for colored diffs")
print(u'\n'.join(diff))
except UnicodeDecodeError:
print(u"Only in first", unicode(sorted_first))
print(u"Only in second", unicode(sorted_second))
def isograph(doc):
g = ConjunctiveGraph().parse(data=etree.tostring(doc))
return to_isomorphic(g)
from rdflib import Graph
from rdflib.compare import to_isomorphic, graph_diff
import sys
if len(sys.argv)>=3:
F1 = sys.argv[1]
F2= sys.argv[2]
else:
F1 = "/home/barry/Downloads/instance.ttl"
F2 = "/home/barry/Downloads/t2.ttl"
g1 = Graph()
g1.parse(F1, format="turtle")
g2 = Graph()
g2.parse(F2, format="turtle")
iso1 = to_isomorphic(g1)
iso2 = to_isomorphic(g2)
in_both, in_first, in_second = graph_diff(iso1, iso2)
if len(sys.argv)==4:
print(in_first.serialize(format="n3").decode('utf-8'))
else:
print(in_second.serialize(format="n3").decode('utf-8'))
