Chris Miles wrote:
> Browsers already generate an Accept header indicating that they would
> like HTML/XHTML. For requests from scripts, get them to send an
> appropriate Accept header for a format your application supports. For
> example, if they send "Accept: application/json" then your app can
> respond with JSON.
That's a terrific idea. Thanks.
> Your controller logic typically remains the same
> accept for the response rendering (and then you can move that part to
> a decorator to keep the controller methods clean).
I'm still not clear on how exactly I would do that (perhaps bc I'm only
superficially familiar with either FormEncode or Formish validation,
I'll probably will have to read more on that).
> Pylons (via WebOb) makes this easy by providing a request.accept
> object representing the request Accept header. So you can do, for
> example:
> request.accept.best_match("application/json")
> which will return True or False if the client will accept a JSON
> response.
> See also http://pythonpaste.org/webob/reference.html#accept-headers
>
>> But. The problem is complicated a bit by validation, which I would
>> like
>> to keep the same for web UI and scripting API (I obviously don't
>> want to
>> duplicate effort like producing separate code for web form value
>> validation and another portion of validation code values that come in
>> over scripting API).
>
> If your validation code is independent of the response ..
Not quite, if I use Formish validation, or possibly, if I use FormEncode.
> then it can
> remain the same, just render validation errors appropriately per
> response type.
Decorator again?
Regards,
mk
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