On Thu, 2007-28-06 at 16:25 -0400, Mark Ramm wrote:
> > This is probably a stupid question as I don't know WSGI at all, but will
> > it possible to emulate CP tools? They look really useful in CP3. Perhaps
> > part of the end goal should be to provide all the CP convenience
> > features on top of paster too?

> Well, there are some ways to do things before every request using
> __before__() and __after__() methods on the controller classes which
> allow for cross cutting behavior to be added to whole controller
> hierarchies, and we've added four hooks that can be applied by adding
> decorators to individual exposed controller methods:

> * before_validate,
> * before_call,
> * before_render,
> * after_render

> So you can write

> @expose(...)
> @before_validate(function_to_call_before_validation)
> def my_method(self, arguments):
>     pass

> This will register function_to_call_before_validation() to the be
> called before validation is done.  These functions will be able to
> read (and mutate) the

> If you have a use case which isn't covered by either of these
> extension mechanisms, let me know and I'll see what we can do.

> And honestly, if you need something cross-cutting and the above hooks
> don't work writing middleware isn't that difficult, and we'll do what
> we can to make it even easier.   (I believe there are some plans in
> the works for this already).