def register_view(registry, model, view, render=None, permission=None,
predicates=None):
if permission is not None:
# instantiate permission class so it can be looked up using reg
permission = permission()
registration = View(view, render, permission)
if predicates is not None:
matcher = registry.exact(generic.view, (Request, model))
if matcher is None:
predicate_info = registry.exact('predicate_info', ())
predicate_info.sort()
matcher = PredicateMatcher(
[predicate for (order, predicate) in predicate_info])
matcher.register(predicates, registration)
registration = matcher
registry.register(generic.view, (Request, model), registration)
def get_predicate_registration(registry, model, predicates, registration):
predicate_info = registry.exact('predicate_info', ())
predicates = get_predicates_with_defaults(predicates, predicate_info)
matcher = registry.exact(generic.view, (Request, model))
if matcher is None:
predicate_infos = predicate_info.values()
predicate_infos.sort()
matcher = PredicateMatcher(
[predicate for (order, predicate) in predicate_infos])
matcher.register(predicates, registration)
for order, predicate in predicate_info.values():
fallback = getattr(predicate, 'fallback', None)
if fallback is None:
continue
if predicates[predicate.name] is ANY:
continue
p = predicates.copy()
p[predicate.name] = ANY
matcher.register(p, View(fallback, None, None))
return matcher
