Thank you all.
I've created a feature request https://code.djangoproject.com/ticket/28822 and
will try to implement in my Django fork next week. I am not Django source
code guru, so any help is welcome:)
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Ok, can we have
is_adult = models.DBCalculatedField(ExpressionWrapper(Q(age__gt=18),
output_field=BooleanField()))
Any query for model with this field will be automatically annotated with
.annotate(is_adult =ExpressionWrapper(Q(age__gt=18),
output_field=BooleanField()))
We may use F fields a
Ok, I see not everyone are happy with idea of ORM expression calculated on
Python side:)
We can:
* Provide two different backends (Database-based and Python-based or "run
python in database" backend) for calculated field
* Or provide python-based backend as third party lib
* Or provide whole so
>
> Such computations always end up slightly different in some
> edge cases
>
I agree.
We can document this fact. Model authors should be aware that they are not
allowed to use anything but literals. All other functions are used on their
own risc. I believe that comparition of two integers or
Thank you for your intereset this on feature.
I belive this functionality should not delegete everything to database: one
of the cooliest Django features is that models do not require database:
they could be just storage of *business* logic (that is why we call them
*fat*). I can even fill my mo
ld be supported by Django core because it
affects admin, forms (calculated fields can't be changed), migrations and
ORM.
*Ilya Kazakevich*
PyCharm developer.
http://www.jetbrains.com
The Drive to Develop
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&quo
So, should I create a ticket?
On Tuesday, March 3, 2015 at 4:05:01 PM UTC+3, Ilya Kazakevich wrote:
>
> Hello,
>
> When I use Django auth, I need to provide login.html myself. But Django
> encourages applications to have default templates which can be overwritten
read the docs"
>
> I'd perhaps be inclined to include it without styles even.
>
> Marc
>
> On 3 March 2015 at 14:22, Ilya Kazakevich > wrote:
>
>> I do not think admin templates should used. But something very simple and
>> dumb (that looks similar to
t; On Tuesday, March 3, 2015 at 8:18:39 AM UTC-5, Tino de Bruijn wrote:
>>
>> Yeah, or default to admin/login.html. The admin ships with all necessary
>> "registration" templates, but for some reason only the login.html is
>> included in the admin directory.
>>
>&
Hello,
When I use Django auth, I need to provide login.html myself. But Django
encourages applications to have default templates which can be overwritten
by user (via filesystem.Loader, for example).
I suggest to provide default login.html with simple HTML form. User may
always overwrite it.
Hello,
In Djnago 1.7 Manager class extends BaseManager (actually, it extends its
proxy, created using from_queryset). BaseManager is not mentioned in
official documentation, so it is not part of official ("stable") api, right?
"All the public APIs (everything in this documentation) " (from here
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