Error when accessing pylons.c.w

[Roger Demetrescu]

Hi guys

I am following the tutorial from "Using ToscaWidgets to create Forms" [1],
and I am getting the following error:

AttributeError: 'str' object has no attribute 'form'

just after my statement:

        pylons.c.w.form = create_movie_form


If I change this line to:

        pylons.c.w = dict()
        pylons.c.w['form'] = create_movie_form


Everything runs ok (the template has ``${tmpl_context.w.form()}``  inside it)

So, what should be pylons.c.w ? a Bunch ? Who defines it ?
I see mod/pylonshf.py from ToscaWidgets making use of
``getattr(pylons.c, 'w', None)``,
but I couldn't find any initial setup of this object ``w``.


Cheers,

Roger



[1] - http://turbogears.org/2.0/docs/main/ToscaWidgets/forms.html

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[Walter Cruz]

Hey Roger, the documentation on: http://toscawidgets.org/documentation/tw.forms/tutorials/pylons_one.html is more updated, I think. At least it works for me :)

[]'s
- Walter


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[Sanjiv]

Hi Roger,

The WidgetBunch is no more required and the widget may be directly
stuck to the tmpl_context. So all pylons.c.w becomes pylons.c, i.e.

  pylons.c.form = create_movie_form

and the widget can be obtained in the template directly from the
tmpl_context as

  ${tmpl_context.form(value=value)}

The docs seem to be not yet to be updated as this is a very recent
change.

Regards
Sanjiv

[1] http://docs.turbogears.org/2.0/RoughDocs/ToscaWidgets/Forms


On Jun 26, 9:15 am, "Roger Demetrescu" <roger.demetre...@...>
wrote:

> Hi guys
>
> I am following the tutorial from "Using ToscaWidgets to create Forms" [1],
> and I am getting the following error:
>
> AttributeError: 'str' object has no attribute 'form'
>
> just after my statement:
>
>         pylons.c.w.form = create_movie_form
>
> If I change this line to:
>
>         pylons.c.w = dict()
>         pylons.c.w['form'] = create_movie_form
>
> Everything runs ok (the template has ``${tmpl_context.w.form()}``  inside it)
>
> So, what should be pylons.c.w ? a Bunch ? Who defines it ?
> I see mod/pylonshf.py from ToscaWidgets making use of
> ``getattr(pylons.c, 'w', None)``,
> but I couldn't find any initial setup of this object ``w``.
>
> Cheers,
>
> Roger
>
> [1] -http://turbogears.org/2.0/docs/main/ToscaWidgets/forms.html

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[Sanjiv]

Oops sorry for leaving the doc reference on the page. It has been
removed :(

Regards
Sanjiv

On Jun 26, 12:20 pm, Sanjiv <SinghSanj...@...> wrote:

> Hi Roger,
>
> The WidgetBunch is no more required and the widget may be directly
> stuck to the tmpl_context. So all pylons.c.w becomes pylons.c, i.e.
>
>   pylons.c.form = create_movie_form
>
> and the widget can be obtained in the template directly from the
> tmpl_context as
>
>   ${tmpl_context.form(value=value)}
>
> The docs seem to be not yet to be updated as this is a very recent
> change.
>
> Regards
> Sanjiv
>
> [1]http://docs.turbogears.org/2.0/RoughDocs/ToscaWidgets/Forms
>
> On Jun 26, 9:15 am, "Roger Demetrescu" <roger.demetre...@...>
> wrote:
>
> > Hi guys
>
> > I am following the tutorial from "Using ToscaWidgets to create Forms" [1],
> > and I am getting the following error:
>
> > AttributeError: 'str' object has no attribute 'form'
>
> > just after my statement:
>
> >         pylons.c.w.form = create_movie_form
>
> > If I change this line to:
>
> >         pylons.c.w = dict()
> >         pylons.c.w['form'] = create_movie_form
>
> > Everything runs ok (the template has ``${tmpl_context.w.form()}``  inside it)
>
> > So, what should be pylons.c.w ? a Bunch ? Who defines it ?
> > I see mod/pylonshf.py from ToscaWidgets making use of
> > ``getattr(pylons.c, 'w', None)``,
> > but I couldn't find any initial setup of this object ``w``.
>
> > Cheers,
>
> > Roger
>
> > [1] -http://turbogears.org/2.0/docs/main/ToscaWidgets/forms.html

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[Roger Demetrescu]

Hi Walter and Sanjiv


On Thu, Jun 26, 2008 at 04:20, Sanjiv <SinghSanjivK@...> wrote:

>
> Hi Roger,
>
> The WidgetBunch is no more required and the widget may be directly
> stuck to the tmpl_context. So all pylons.c.w becomes pylons.c, i.e.
>
>  pylons.c.form = create_movie_form
>
> and the widget can be obtained in the template directly from the
> tmpl_context as
>
>  ${tmpl_context.form(value=value)}
>
> The docs seem to be not yet to be updated as this is a very recent
> change.

Ok... I did a quick test today morning and it worked indeed...

However, I am intrigued with the actual code of Toscawidget's  mods/pylonshf.py

===================
def _render_func_wrapper(func):
     ...cut...
    tw_extra_doc = """\
This version is a ToscaWidgets wrapper which collects resources in
pylons.g.w and pylons.g.c and makies them available at pylons.c.resources
so the base template can render them.

It also sets the default_view if the engine name is overrided when calling me.
"""
===================



It seems it still looks at pylons.c.w and pylons.g.w... Is it only for
compatibility ?
I didn't test the form with a javascript/css resource. Are these resources been
correctly collected ?
(I'm not in from my own computer, so don't have the environment to do
these tests)


Cheers,

Roger

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[Alberto Valverde]

Hi Roger,

Roger Demetrescu wrote:

> Hi Walter and Sanjiv
>
>
> On Thu, Jun 26, 2008 at 04:20, Sanjiv <SinghSanjivK@...> wrote:
>  
>> Hi Roger,
>>
>> The WidgetBunch is no more required and the widget may be directly
>> stuck to the tmpl_context. So all pylons.c.w becomes pylons.c, i.e.
>>
>>  pylons.c.form = create_movie_form
>>
>> and the widget can be obtained in the template directly from the
>> tmpl_context as
>>
>>  ${tmpl_context.form(value=value)}
>>
>> The docs seem to be not yet to be updated as this is a very recent
>> change.
>>    

BTW, you can also import widgets directy from the template. This is
useful for JS or CSS Links or for widgets that don't submit any input
(hence you don't need them in the controller to perform validation).
Widgets that require js or css links will work correctly too.

>
> Ok... I did a quick test today morning and it worked indeed...
>
> However, I am intrigued with the actual code of Toscawidget's  mods/pylonshf.py
>
> ===================
> def _render_func_wrapper(func):
>      ...cut...
>     tw_extra_doc = """\
> This version is a ToscaWidgets wrapper which collects resources in
> pylons.g.w and pylons.g.c and makies them available at pylons.c.resources
> so the base template can render them.
>
> It also sets the default_view if the engine name is overrided when calling me.
> """
> ===================
>
>
>
> It seems it still looks at pylons.c.w and pylons.g.w... Is it only for
> compatibility ?
>  

Yes, these are legacy functions. I should probably put a deprecation
notice on them.

> I didn't test the form with a javascript/css resource. Are these resources been
> correctly collected ?
>  

Yep, take a look here for the details:
http://toscawidgets.org/documentation/ToscaWidgets/modules/resource_injector.html


Alberto

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[Roger Demetrescu]

On Thu, Jun 26, 2008 at 13:30, Alberto Valverde <alberto@...> wrote:
>> I didn't test the form with a javascript/css resource. Are these resources been
>> correctly collected ?
>>
>
> Yep, take a look here for the details:
> http://toscawidgets.org/documentation/ToscaWidgets/modules/resource_injector.html

And indeed it works !!  :)

I did read the resource_injector... very interesting !

Thanks Alberto,

[]s
Roger

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[Mark Ramm]

>>> The docs seem to be not yet to be updated as this is a very recent
>>> change.

They are now.

Sorry about the not getting the docs update right away.

--Mark Ramm

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[Roger Demetrescu]

On Fri, Jun 27, 2008 at 10:54, Mark Ramm <mark.mchristensen@...> wrote:
>
>>>> The docs seem to be not yet to be updated as this is a very recent
>>>> change.
>
> They are now.
>
> Sorry about the not getting the docs update right away.


Hi Mark,

You really don't need to be sorry. You are already doing an excellent
job with TG2. I really thank you for such effort.

Regarding the "schedule for updating the online docs", is it doable to
setup crontab to do this docs rebuild once or twice a day ?

This manner you can have 1 task less to take care about.. :)

Cheers,

Roger

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[Mark Ramm]

> Hi Mark,
>
> You really don't need to be sorry. You are already doing an excellent
> job with TG2. I really thank you for such effort.
>
> Regarding the "schedule for updating the online docs", is it doable to
> setup crontab to do this docs rebuild once or twice a day ?
>
> This manner you can have 1 task less to take care about.. :)

We're getting a new server setup, and I think this will be something
we should do on that server (set a nightly cronjob to build new docs
with sphinx and put them in a /dev docs directory.   I'd expect that
we'll put the docs for released versions up when we release them, and
update them more manually, since we'd probably want to update them out
of the branch for that release.

--Mark Ramm

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[iGL]

Hi Sanjiv,


> The WidgetBunch is no more required and the widget may be directly
> stuck to the tmpl_context. So all pylons.c.w becomes pylons.c, i.e.
>
>   pylons.c.form = create_movie_form
>
That's fine but what is recommended to do with the dbsprockets-
generated cruds? There's still pylons.c.w that is set to empty
string...

Greetings,
Giorgi

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[Mark Ramm]

if you want c.w back for any reason add it in lib.base.

from toscawidgets.api import WidgetBunch 

Then inside the controller's __call__ method add: 

pylons.c.w = WidgetBunch()

On Sun, Jul 6, 2008 at 2:08 PM, iGL <Giorgi.Lekishvili@...> wrote:

Hi Sanjiv,

> The WidgetBunch is no more required and the widget may be directly
> stuck to the tmpl_context. So all pylons.c.w becomes pylons.c, i.e.
>
>   pylons.c.form = create_movie_form
>

That's fine but what is recommended to do with the dbsprockets-
generated cruds? There's still pylons.c.w that is set to empty
string...

Greetings,
Giorgi

--
Mark Ramm-Christensen
email: mark at compoundthinking dot com
blog: www.compoundthinking.com/blog

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