def __remove(self, s = None, p = None, o = None, context = None):
self.log.debug('REM : %s, %s, %s, %s' % (s, p, o, context))
query = delete()
try:
#clear
if s == None and p == None and o == None and context:
query = clear().graph(context)
else:
if context:
query = delete().from_(context)
query.template(("?s", "?p", "?o"))
if context:
where_group = NamedGroup(context)
else:
where_group = Group()
where_group.append(("?s", "?p", "?o"))
filter = Filter("(" + self.__build_filter(s, p, o) + ")")
where_group.append(filter)
query.where(where_group)
query_str = unicode(query)
self.log.debug(query_str)
self.__sparql_wrapper.setQuery(query_str)
self.__sparql_wrapper.query().convert()
return True
except EndPointNotFound, notfound:
self.log.exception("SPARQL endpoint not found")
def _remove_from_endpoint(self, s=None, p=None, o=None, context=None):
debug('REM : %s, %s, %s, %s' % (s, p, o, context))
query = delete()
try:
if s is None and p is None and o is None and context:
query = clear().graph(context)
else:
if context:
query = delete().from_(context)
query.template(("?s", "?p", "?o"))
if context:
where_group = NamedGroup(context)
else:
where_group = Group()
where_group.append(("?s", "?p", "?o"))
filter = Filter("({0})".format(self.__build_filter(s, p, o)))
where_group.append(filter)
query.where(where_group)
query_str = unicode(query)
debug(query_str)
self._sparql_wrapper.setQuery(query_str)
self._sparql_wrapper.query().convert()
return True
except EndPointNotFound, _:
error("SPARQL endpoint not found")
def test_clear(self):
""" CLEAR GRAPH """
expected = canonical(u"""
CLEAR GRAPH <a>
""")
query = clear().graph(URIRef("a"))
result = canonical(SparulTranslator(query).translate())
self.assertEqual(expected, result)
def test_clear(self):
""" CLEAR GRAPH """
expected = canonical(u"""
CLEAR GRAPH <a>
""")
query = clear().graph(URIRef("a"))
result = canonical(SparulTranslator(query).translate())
self.assertEqual(expected, result)
def _remove_from_endpoint(self, s=None, p=None, o=None, context=None):
debug('REM : %s, %s, %s, %s' % (s, p, o, context))
#context = URIRef("#heeey")
# print(NamedGroup(context))
# print(Group())
query = delete()
try:
if s is None and p is None and o is None and context:
query = clear().graph(context)
else:
if context:
query = delete().from_(context)
query.template(("?s", "?p", "?o"))
if context:
where_group = NamedGroup(context)
else:
where_group = Group()
where_group.append(("?s", "?p", "?o"))
filter_terms = self.__build_filter(s, p, o)
if len(filter_terms) > 0:
filter = Filter("({0})".format())
where_group.append(filter)
query.where(*where_group)
query_str = str(query)
debug(query_str)
self._sparql_wrapper.setQuery(query_str)
self._sparql_wrapper.query().convert()
return True
except EndPointNotFound as _:
error("SPARQL endpoint not found")
except QueryBadFormed as _:
error("Bad-formed SPARQL query")
except SPARQLWrapperException as _:
error("SPARQLWrapper exception")
return None
