def get_parents(self, uri, type='all'):
        """Return parents of a given entry.

        Parameters
        ----------
        uri : str
            The URI of the entry whose parents are to be returned. See the
            get_uri method to construct this URI from a name space and id.
        type : str
            'all': return all parents irrespective of level;
            'immediate': return only the immediate parents;
            'top': return only the highest level parents
        """
        # First do a quick dict lookup to see if there are any parents
        all_parents = set(self.isa_or_partof_closure.get(uri, []))
        # If there are no parents or we are looking for all, we can return here
        if not all_parents or type == 'all':
            return all_parents

        # If we need immediate parents, we search again, this time knowing that
        # the uri is definitely in the graph since it has some parents
        if type == 'immediate':
            node = rdflib.term.URIRef(uri)
            immediate_parents = list(set(self.isa_or_partof_objects(node)))
            return [p.toPython() for p in immediate_parents]
        elif type == 'top':
            top_parents = [p for p in all_parents if
                           not self.isa_or_partof_closure.get(p)]
            return top_parents
def get_parents ( self , uri , type = 'all' ) : all_parents = set ( self . isa_or_partof_closure . get ( uri , [ ] ) ) if not all_parents or type == 'all' : return all_parents if type == 'immediate' : node = rdflib . term . URIRef ( uri ) immediate_parents = list ( set ( self . isa_or_partof_objects ( node ) ) ) return [ p . toPython ( ) for p in immediate_parents ] elif type == 'top' : top_parents = [ p for p in all_parents if not self . isa_or_partof_closure . get ( p ) ] return top_parents
Return parents of a given entry.

        Parameters
        ----------
        uri : str
            The URI of the entry whose parents are to be returned. See the
            get_uri method to construct this URI from a name space and id.
        type : str
            'all': return all parents irrespective of level;
            'immediate': return only the immediate parents;
            'top': return only the highest level parents