Owlready2 0.23 has been released!

Owlready is a Python module for ontology-oriented programming. It can load OWL 2.0 ontologies and manipulate them transparently in Python.

This new release includes several small changes and bugfixes.

Here are the changes:

• Add get_parents_of(), get_instances_of(), get_children_of() methods to ontology, for querying the hierarchical relations defined in a given ontology

• Use Thing as default value for restrictions with number, instead of None

• Add 'filter' parameter to save(), for filtering the entities saved (contributed by Javier de la Rosa)

• Bugfixes: - Fix value restriction with the false value - Fix blank node loading from different ontologies - Fix constructs reused by several classes - Fix 'Class.is_a = []' was not turning the list into an Owlready list - Fix destroy_entity() - was not destroying the IRI of the entity - Improve setup.py: ignore Cython if Cython installation fails

The new version be downloaded from PyPI (Python Package Index): https://pypi.python.org/pypi/Owlready2