#17464: [patch] Work with partial forms with the generic CreateView
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Reporter: madjar | Owner: nobody
Type: New feature | Status: new
Component: Generic views | Version: 1.3
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 1
Easy pickings: 0 | UI/UX: 0
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Here is a scenario to explain the problem :
In a multi-user blog application, when a post is created, its author field
is set to the current user. We have a generic view like this :
{{{
class PostCreateView(CreateView):
model = Post
form_class = modelform_factory(Post, fields=('content',))
}}}
No valid object can be created with this view, because the objects are
always missing the `author` field.
Currently, I could solve this problem by defining this method :
{{{
def get_form_kwargs(self):
kwargs = super(PostCreateView, self).get_form_kwargs()
kwargs.update({'instance': Post(author=self.request.user)})
return kwargs
}}}
I have the feeling this is kind of hackish for a use case that seems
common.
I've attached a patch that enable us to write this :
{{{
def get_default_instance(self):
return Post(author=self.request.user)
}}}
There is a test in the patch. Please review it, and if you find the change
useful, I will also add the documentation.
--
Ticket URL: <https://code.djangoproject.com/ticket/17464>
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