Hi All,

I think things are kind of quiet because djangocon.eu is starting tomorrow.

My opinion: In the past we changed things to use html5 types (number,
email, url, etc) and we didn't use a deprecation warning in those cases,
just mentioned it in the release notes. I'm sure it will break some
people's applications, but I think as long as we made it easy to remove the
required attribute it shouldn't be a big problem to not warn first.

Thanks,
Collin


On Mon, Mar 28, 2016 at 5:27 PM, Jon Dufresne <jon.dufre...@gmail.com>
wrote:

> Hi,
>
> I'm working on ticket #22383 to add the HTML5 required attribute to form
> widgets.
>
> The hope is this will add an additional level of validation at the client
> side. The feedback provided to the user is much faster than a server round
> trip.
>
> This is something I've done manually in my own projects. I'll frequently
> add "required" to widget attrs to take advantage of this validation. As I
> already use this frequently, I'm motivated to see it adopted by the Django
> core.
>
> This feature have been discussed in the ticket [1] as well as a previous
> email thread [2].
>
> In the past, there were two discussed concerns:
>
> * Allow a project to opt-out of using the required attribute
> * Add a deprecation warning that new version of Django will include the
> required attribute
>
> Past discussion settled on using the class attribute
> Form.use_required_attribute to decide if a form's widget should render the
> HTML5 required attribute. As this was the previous consensus I have
> implemented a PR [3]. To be on the safe side, this PR also adds the
> deprecation warning.
>
> Upon review, Tim Graham replied with the following:
>
> I fear the deprecation will be quite annoying if every form in a project
>> needs to be modified to silence all warnings.
>> ...
>> I guess I'm not sure if a deprecation path provides more value than
>> making a backwards-incompatible change. For example, if we expect a
>> majority of projects to adopt this change, then a deprecation will require
>> every Django project to silence the warning instead of a subset of users to
>> opt-out.
>>
>
> No problem for me. I'm OK skipping the deprecation path. I don't see it as
> necessary, I was simply trying to accommodate other opinions. I have
> created a second PR which is identical to the first, but without the
> deprecation warning [4].
>
> Also in the review Tim suggested the following:
>
> I wonder if template-based widget rendering (#15667
>> <https://code.djangoproject.com/ticket/15667>) might ease this change. A
>> project could provide custom widget templates if they don't want the
>> required attribute (or if they want required='required'.
>>
>
> This is a different approach than previously discussed. I see the merit in
> this suggestion and think it could be a better implementation. With this
> idea, we could avoid adding the Form.use_required_attribute, entirely.
> However, template-based widget is still very much a WIP. I worry waiting on
> that feature may mean this simpler feature may miss a release cycle. Is it
> reasonable to expect the template-based widget rendering to land before the
> next alpha/beta cut?
>
> Tim asked I post these ideas to the mailing to get other opinions and
> feedback on these two points.
>
> Thanks,
> Jon
>
>
> [1] https://code.djangoproject.com/ticket/22383
> [2]
> https://groups.google.com/forum/#!topic/django-developers/obw18wSc4xU/discussion
> [3] https://github.com/django/django/pull/6341
> [4] https://github.com/django/django/pull/6352
>
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