##parameters=key=None 
# $Id: getFacultiesVoc.py 3269 2008-03-04 10:59:18Z joachim $
"""
Return the faculties as an vocabulary

"""
if key is None:
    res = context.portal_catalog.search({'meta_type': "Faculty"})    
    return [(d.getId,d.Title,) for d in res]
res = context.portal_catalog.search({'meta_type': "Faculty", 'id': key})
if res:
    return [-1].Title
raise KeyError