def get_nsm(session):
from .namespaces import namespace_manager
from virtuoso.vstore import VirtuosoNamespaceManager
nsm = VirtuosoNamespaceManager(Graph(), session)
for prefix, namespace in namespace_manager.namespaces():
nsm.bind_virtuoso(session, prefix, namespace)
return nsm
def get_nsm(session):
from .namespaces import namespace_manager
from virtuoso.vstore import VirtuosoNamespaceManager
nsm = VirtuosoNamespaceManager(Graph(), session)
for prefix, namespace in namespace_manager.namespaces():
nsm.bind_virtuoso(session, prefix, namespace)
return nsm
from rdflib import Graph, Namespace
from rdflib.namespace import RDF
from virtuoso.quadextractor import ClassPatternExtractor
from virtuoso.vmapping import (
QuadMapPattern, PatternIriClass, QuadStorage, GraphQuadMapPattern)
from virtuoso.vstore import Virtuoso, VirtuosoNamespaceManager
from . import sqla_connection
engine = create_engine(sqla_connection)
Session = sessionmaker(bind=engine)
session = Session(autocommit=False)
metadata = MetaData(schema="test.DBA")
TST = Namespace('http://example.com/test#')
nsm = VirtuosoNamespaceManager(Graph(), session)
nsm.bind('tst', TST)
class MyClassPatternExtractor(ClassPatternExtractor):
def iri_accessor(self, sqla_cls):
return super(MyClassPatternExtractor, self).iri_accessor(sqla_cls)
def get_base_conditions(self, alias_maker, cls, for_graph):
return super(MyClassPatternExtractor, self).get_base_conditions(
alias_maker, cls, for_graph)
def make_column_name(self, cls, column, for_graph):
return getattr(TST, 'col_pattern_%s_%s' % (
cls.__name__, column.key))