def analyze_metadata(url):
results = {}
print 'Analyzing SPARQL endpoint on URL %s' % url
try:
if check_sparql_endpoint(url):
sparql_analyzer = SPARQLAnalyzer(url)
sparql_analyzer.open()
sparql_analyzer.load_graph()
results['accesible'] = str(True)
try:
results['subjects'] = sparql_analyzer.get_subjects_count()
except:
print 'Problem getting subjects of %s' %url
pass
try:
results['objects'] = sparql_analyzer.get_objects_count()
except:
print 'Problem getting objects of %s' %url
pass
try:
results['instances'] = sparql_analyzer.get_all_links_count()
except:
print 'Problem getting instances of %s' %url
pass
try:
results['entities'] = sparql_analyzer.get_entities_count()
except:
print 'Problem getting entities of %s' %url
pass
try:
results['triples'] = sparql_analyzer.get_triples_count()
except:
print 'Problem getting triples of %s' %url
pass
try:
results['classes'] = str(sparql_analyzer.get_all_classes_instances())
except:
print 'Problem getting classes of %s' %url
pass
try:
results['properties'] = str(sparql_analyzer.get_all_predicate_triples())
except:
print 'Problem getting properties of %s' %url
pass
try:
results['all_links'] = sparql_analyzer.get_all_links_count()
except:
print 'Problem getting all links of %s' %url
pass
try:
results['ingoing_links'] = sparql_analyzer.get_ingoing_links_count()
except:
print 'Problem getting ingoing links of %s' %url
pass
try:
results['outgoing_links'] = sparql_analyzer.get_outgoing_links_count()
except:
print 'Problem getting outgoing links of %s' %url
pass
try:
results['inner_links'] = sparql_analyzer.get_inner_links_count()
except:
print 'Problem getting inner links of %s' %url
pass
try:
vocab_count = {}
for vocabulary in sparql_analyzer.get_vocabularies():
vocab_count[vocabulary] = 0
results['vocabularies'] = str(vocab_count)
except:
print 'Problem getting vocabularies of %s' %url
pass
sparql_analyzer.close()
else:
results['accesible'] = str(False)
print 'SPARQL endpoint analyzed'
except:
print 'Problem with SPARQL endpoint analysis detected'
pass
return results