def metadef_property_get(context, namespace_name, property_name, session=None):
 session = (session or get_session())
 return metadef_property_api.get(context, namespace_name, property_name, session)

def metadef_property_get ( context , namespace_name , property_name , session = None ) : session = ( session or get_session ( ) ) return metadef_property_api . get ( context , namespace_name , property_name , session )
get a metadef property or raise if it does not exist .