Take a look at Formencode.foreach.ForEach. According to the docs
(http://formencode.org/Validator.html) you can use it to define
repeating forms or (more conventionally) repeating groups within a
form.
In the latter case you will want this at the top of your form schema:
pre_validators = [variabledecode.NestedVariables()]
I do this indirectly, by having my application's form schemas all
inherit from a base schema which is defined (in my lib/base.py) )as
follows:
class BaseSchema(formencode.Schema):
"""
Base form schema
"""
allow_extra_fields = True
filter_extra_fields = True
pre_validators = [variabledecode.NestedVariables()]
I don't know if/how NestedVariables applies if you don't have an
enclosing form for your repeating group - I've never tried it. A top
level dict for your json payload would be more extensible (and safer?)
than an array though.
Regards,
Mike
On May 16, 7:21 pm, DD <[email protected]> wrote:
> Hi,
> I have some that submits an array of strings via ajax to be saved on the
> server.
> Basically, I need to get this same array of strings to be saved in the
> order it was passed.
>
> *Below is a snippet from the JS code:
> *
> function saveArray() {
> new_order = ["a", "b", "c", "d"];
>
> var fdata={};
> fdata.new_order = new_order;
>
> $.ajax({
> url: '/mycontroller/save',
> type:"POST",
> dataType: 'json',
> data:fdata
> });
> return false;
>
> }
>
> *Controller:*
>
> class OrderForm(formencode.Schema):
> new_order = formencode.ForEach(String)
> ## other fields
>
> �...@validate(schema=OrderForm(), form='ajax_error', variable_decode=True)
> def save(self):
> log.debug("All params: %s"%request.params)
> new_order=self.form_result.get('new_order')
> log.debug("New_order %s"%new_order)
>
> # do something with new_order..
>
> When the request is submitted, the request params received by controller
> are:
>
> request.params:
> UnicodeMultiDict([('new_order[]', u'a'), ('new_order[]', u'b'),
> ('new_order[]', u'c'), ('new_order[]', u'd')])
>
> and
>
> self.form_result['new_order'] is an empty array
>
> What I ideally want to have a single array new_order with all the values
> in this array.
>
> Any suggestions here?
> Thanks,
> DD.
>
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