Thanks Johnathon I'm going to have another look at it as you recommended. Much appreciated, Gazza
On Dec 11, 12:31 pm, Jonathan Gardner <[email protected]> wrote: > On Sat, Dec 11, 2010 at 7:48 AM, gazza <[email protected]> wrote: > > I was thinking of just putting the error message in the session and > > let the controller deal with this but I think that kind of defeats the > > purpose? > > > On Dec 10, 5:17 pm, gazza <[email protected]> wrote: > > >> I have written a fancy validator and its task is to verify whether > >> dates are within a valid a range. > >> However when it fails as expected I call: > > >> raise formencode.Invalid(msg,field_dict,state, > >> error_dict=dict(orderid=msg)) > > >> This simply renders the message to the browser as expected. Ideally I > >> want to reissue the page that > >> posted the date. Is there a way to do this using a fancy validator? > > Hello, > > If you read through the tutorial on forms on the Pylons > websitehttp://wiki.pylonshq.com/display/pylonsdocs/Form+Handlingyou'll note > under "The Quick Way" that they use a @validate decorator on the > methods that accept the form input. > > What's happening behind the scenes in that validator is that it tries > to validate the form against the validator you specify. If it throws > the Invalid exception, then it renders the form presentation method > and populates the error messages and default values based on what was > submitted. > > I don't know what you're do with the Invalid exception, but it sounds > like you are just trying to validate a value and not catching the > Invalid exception. It sounds like you'd like to know how to set > defaults and error messages for invalid submissions. If you study the > @validate decorator, you'll get some hints. > > Of course, you can always do it the hard way. I have found a few use > cases where using formencode was more bother than not. > > -- > Jonathan Gardner > [email protected] Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "pylons-discuss" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/pylons-discuss?hl=en.
