Re: Form to create several objects with one-to-one relation

Well, I found solution.

``CreateWithInlinesView `` works perfectly with ``OneToOneField`` (after all, 1-to-1 is just a foreign key with constraint), but my main model here is ``Comment``, not ``Task``. So I should set ``Comment`` as ``model`` field in this view and ``Task`` as ``inline``. It looks silly. I will create custom form or review my model structure.

On Wednesday, April 22, 2015 at 3:38:30 PM UTC+3, Ilya Kazakevich wrote:

Thank you, that may work, but I feel that I reinventing wheel here.

Actually, there are inline_formset  and CreateWithInlinesView  (from django extras) and they do exactly what I want, but they only support ForeignKey, not OneToOne. Looks like I need to extend them to support OneToOne.

On Wednesday, April 22, 2015 at 2:40:56 AM UTC+3, Vijay Khemlani wrote:

What about and old-school DetailView?

def get_context_data -> Creates the two forms and puts them in the context

def post -> Validates and process the forms

On Tue, Apr 21, 2015 at 7:41 PM, Ilya Kazakevich <kazakev...@gmail.com> wrote:

Hello,

I have several models with one-to-one relation. For example

class Task(models.Model):

    initial_comment = models.OneToOneField('Comment')

   # A pack of other fields

class Comment(models.Model)

    body = RichTextField()

   # A pack of other fields

I want to create "create view" based on form, that gives user ability to create task and initial comment there.

1) I can't use CreateView because it is based on only one model

2) I can't use ModelForm because it is based on only one model

3) I can create several forms, but I can't join them into one formset (forms are different)

4) I feel "inlineformset_factory" (InlineFormSet) should be used here, but I am not sure it suits best. Is there any 3rd party Django app to do that?

Sure I can create form myself, but I do not want to copy/paste all fields, their types, localized labels, validations and so on. I just want to list their names (like "fields" attibute).

If you wonder why do I need one-to-one: Comments are used heavily in other places and have different relations with different models.

Thank you.

Ilya.

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