> Dear ToscaWidgetters,

> I have a problem here and although threebean already tried to help me, it
> does not work yet!

> This is the offending piece of code:
> https://gist.github.com/2837623
> which just throws:
> AttributeError: 'SubmissionForm_d' object has no attribute 'language_id'

> It's a widget that needs the language_id selection field filled with
> values, but not with all values from the Database (then
> tw2.sqla.DbSelectionField would suffice) but with ones filtered by the
> SQLAlchemy query you see in the prepare method. It's dependent on the
> values the form gets displayed with, especially the associated assignment

> In tw 0.9, I just prepared the options list for the SingleSelectField in
> my Controller and passed it via child_args to the widget, but that doesn't
> seem to work anymore!

> If someone has a working solution for me, I'd be glad to get some advice
> or a fork of the gist!

> Cheers,
> Moritz

> PS: Some older approaches by threebean and me:
> https://gist.github.com/2790405 and https://gist.github.com/2830475

> I got the same problem and from the code point of view the easiest was for
> me was to deal with _iterate_options
> I had to put a "self" in the lambda args which references the instance of
> DynamicSelectField...
>  I hope this is useful for you

> class DynamicSelectField(twf.SingleSelectField):
>     def _iterate_options(self, optlist):
>         if hasattr(optlist, '__call__'):
>             for o in optlist():
>                 yield o
>         else:
>             for o in super(DynamicSelectField,
> self)._iterate_options(optlist):
>                 yield o

> class ContentForm(twf.TableForm):
>     id = twf.HiddenField
>     page_id = DynamicSelectField(options=lambda self: ((p.id, p) for p in
> Page.query))

> Am Mittwoch, 30. Mai 2012 19:06:59 UTC+2 schrieb Moritz Schlarb:

>> Dear ToscaWidgetters,

>> I have a problem here and although threebean already tried to help me, it
>> does not work yet!

>> This is the offending piece of code:
>> https://gist.github.com/**2837623 <https://gist.github.com/2837623>
>> which just throws:
>> AttributeError: 'SubmissionForm_d' object has no attribute 'language_id'

>> It's a widget that needs the language_id selection field filled with
>> values, but not with all values from the Database (then
>> tw2.sqla.DbSelectionField would suffice) but with ones filtered by the
>> SQLAlchemy query you see in the prepare method. It's dependent on the
>> values the form gets displayed with, especially the associated assignment

>> In tw 0.9, I just prepared the options list for the SingleSelectField in
>> my Controller and passed it via child_args to the widget, but that doesn't
>> seem to work anymore!

>> If someone has a working solution for me, I'd be glad to get some advice
>> or a fork of the gist!

>> Cheers,
>> Moritz

>> PS: Some older approaches by threebean and me: https://gist.github.com/**
>> 2790405 <https://gist.github.com/2790405> and https://gist.**
>> github.com/2830475 <https://gist.github.com/2830475>

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