This has been proposed before (closed as wontfix):
https://code.djangoproject.com/ticket/24589
https://groups.google.com/g/django-developers/c/34HJqx48h6Y/m/Nm3UMTK4BgAJ
On Wednesday, February 17, 2021 at 9:53:07 AM UTC-5 jonask...@gmail.com
wrote:
>
> # Feature request: wigets attribute for ModelFormMixin class
>
> ### Status quo
>
> The `ModelFormMixin` class currently implements the `fields` attribute by
> it self and pass it to the `modelform_factory`:
>
> ```python
> class ModelFormMixin(FormMixin, SingleObjectMixin):
> """Provide a way to show and handle a ModelForm in a request."""
> fields = None
>
> def get_form_class(self):
> """Return the form class to use in this view."""
> if self.fields is not None and self.form_class:
> raise ImproperlyConfigured(
> "Specifying both 'fields' and 'form_class' is not
> permitted."
> )
> if self.form_class:
> return self.form_class
> else:
> ...
> return model_forms.modelform_factory(model, fields=self.fields)
> ```
>
> On generic `CreateView` for example the field can be configured like:
>
> ```python
> class MonitoringRunNewView(CreateView):
> model = MonitoringRun
> fields = ('metadatas', )
> ...
>
> ```
>
> Same can be done in `UpdateView` and so on.
>
> ### Enhancement
>
> Provide the possibility to declare widgets for the configured fields also
> like:
>
> ```python
> class ModelFormMixin(FormMixin, SingleObjectMixin):
> """Provide a way to show and handle a ModelForm in a request."""
> fields = None
> widgets = None
>
> def get_form_class(self):
> """Return the form class to use in this view."""
> if self.fields is not None and self.form_class:
> raise ImproperlyConfigured(
> "Specifying both 'fields' and 'form_class' is not
> permitted."
> )
> if self.form_class:
> return self.form_class
> else:
> ...
> return model_forms.modelform_factory(model,
> fields=self.fields, widgets=self.widgets)
> ```
>
> ```python
> class MonitoringRunNewView(CreateView):
> model = MonitoringRun
> fields = ('metadatas', )
> widgets = {'metadatas': forms.HiddenInput()}
> ...
>
> ```
>
> Configuring of `labels`, `help_texts` and `error_messages` could also be
> helpfull. For that we also simply need to pass the attributes as in the
> example above described.
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