""" ontology.py
 Copyright (C) 1999 Aloril
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
"""

from panlingua import *

o=semnet

def add_link(fr,type,to,weight=1.0):
    semlink(fr,type,to,weight,o)

add_link("#breakfast_verb1","isa","#eat_verb2")
add_link("#lunch_verb1","isa","#eat_verb2")
add_link("#sup_verb1","isa","#eat_verb2")

def get_isa(id):
    res=[]
    if not o.has_key(id): return res
    s=o[id]
    res.append(s)
    for l in s.semlinks:
        if l.type=='isa' and l.fr==s:
            res=res+get_isa(l.to.id)
    return res