Hi Philipp

Betreff: Re: NotFound

Roger Ineichen wrote:

...

Is there a reason why zope.publisher.interfaces.NotFound is not locatable?

class NotFound(LookupError, TraversalException): implements(INotFound)

def __init__(self, ob, name, request=None): self.ob = ob self.name = name

Why should a NotFound error instance not be locatable by default since it provides a location?

What kind of a location does it provide?

Nothing, the NotFound object is not locatable. but I guess it should, because it contains the real (context) in self.ob. Since the NotFound object doesn't provide a location all viewlets or absolute_utl calls in the same layout template or metal layout slot used by the NotFound page run into a location exception. This makes it impossible to use viewlets as menu items because the NotFound object messes up the real location. I solved that problem with providing a custom NotFound page which uses the self.ob as it's real context: class NotFoundPagelet(browser.BrowserPagelet, NotFound): """NotFound is a view on the real context and not a view on NotFound.""" def __init__(self, context, request): self.context = context.ob self.request = request def render(self): self.request.response.setStatus(404) template = zope.component.getMultiAdapter((self, self.request), IPageTemplate) return template(self) This prevents to mess up the menu items becaues it provides the context which is responsible for running into a NotFound object (e.g. self.context = context.ob). Regards Roger Ineichen