houselistperson.py

from ipalib.plugins import user
from ipalib.parameters import Int, Str
from ipalib import _

houses = [
    'Dabney',
    'Blacker',
    'Ricketts',
    'Fleming',
    'Page',
    'Lloyd',
    'Ruddock',
    'Avery',
]

def validate_house(ugettext, value):
    if value not in houses:
        return _("Please enter one of the eight houses")

user.user.takes_params = user.user.takes_params + (
    Str('house*', validate_house,
    cli_name='house',
    label=_('House Membership'),
    ),
)
user.user.default_attributes.append('house')