def _parse_uri_focus_expression(self, token):
if token == "a":
return add_corners(RDF_TYPE)
elif token.endswith(">"):
if token.startswith("<"):
return token
else:
for a_prefix in self._prefix_namespace_dict:
if token.startswith(a_prefix + ":"):
return add_corners(self._unprefix_uri(prefix=a_prefix,
uri=token))
raise ValueError("URI not well formed or with an unknown prefix: " + token)
def _yield_relevant_sgraph_triples(self, target_nodes, sgraph):
for s, p, o in sgraph.yield_p_o_triples_of_target_nodes(
target_nodes=target_nodes,
depth=self._depth,
classes_at_last_level=self._classes_at_last_level,
instantiation_property=self._instantiation_property,
already_visited=None,
strict_syntax_with_uri_corners=self._strict_syntax_with_corners
):
yield (tune_subj(a_token=add_corners_if_it_is_an_uri(s)),
tune_prop(a_token=add_corners(p)),
tune_token(
a_token=add_corners_if_it_is_an_uri(o),
allow_untyped_numbers=self._allow_untyped_numbers))