def validator(form, value):
session = DBSession()
if session.query(RouteMaster).filter_by(ref=value['ref'],
city=context, type=value['type']).count() != 0:
t = 'Route with this ref and type already exists'
exc = colander.Invalid(form, t)
exc['ref'] = t
raise exc
def city_view(context, request):
session = DBSession()
rms = session.query(RouteMaster).filter_by(city=context).all()
route_masters_by_transport = [
(type, [rm for rm in rms if rm.type == type])
for type in allowed_types
]
return dict(city=context, route_masters_by_transport=route_masters_by_transport)