Did we consider defining a template loader that knows where to load the
widget
templates from instead of requiring 'django.forms' in INSTALLED_APPS with
'APP_DIRS': True in TEMPLATES?
Something along theese lines make more sense to me:
TEMPLATES = {
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': True,
'OPTIONS': {
'loaders': [
'django.forms.templates.loader.WidgetTemplateLoader',
]
},
},
}
Simon
Le samedi 14 mai 2016 10:03:57 UTC-4, Tim Graham a écrit :
>
> While testing this, I ran into a shortcoming with the fallback strategy
> for backwards-compatibility.
>
> If you have a DjangoTemplates backend configured with 'APP_DIRS': True (as
> in the tutorial) and you try to visit /admin/auth/user/#/change/ which
> renders the ReadOnlyPasswordHashWidget, the template system will crash with
> TemplateDoesNotExist because it can find the widget's template using the
> app_directories loader but not the 'django/forms/widgets/attrs.html'
> template that the first template includes. Since the first template is
> found using what's configured in TEMPLATES (which doesn't know about any of
> the built-in form templates), the standalone engine needed to find the
> built-in templates is ignored.
>
> I guess it will affect every project that uses the admin. I can't think
> of a simple solution other than adding a system check upgrade warning to
> detect this situation ('django.contrib.admin' in INSTALLED_APPS but not
> 'django.forms') and advise the user to add 'django.forms' to
> INSTALLED_APPS. Thoughts?
>
> On Thursday, May 12, 2016 at 1:17:23 PM UTC-4, Carl Meyer wrote:
>>
>> On 05/12/2016 09:39 AM, Tim Graham wrote:
>> > So this discussion doesn't stall the rest of the patch, I suggest
>> > keeping the fallbacks for now and deprecation them later if they cause
>> > confusion or other problems.
>>
>> Yes, I think that makes sense.
>>
>> Carl
>>
>>
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