##parameters=key=None 
# $Id: reservedRoomsVoc.py 1393 2007-02-05 21:42:08Z joachim $
"""
Return the reservedrooms as an vocabulary

"""
doc = context.getContent()
voc = [("_".join((r.split('/')[0],r.split('/')[1])),r) 
                      for r in doc.reserved_rooms.split(',') if r]
#from Products.zdb import set_trace;set_trace()
if not key:
    return voc
for k,v in voc:
    if k == key:
        return v