#35748: Document that Field.formfield() may return None
-------------------------------------+-------------------------------------
     Reporter:  Adam Johnson         |                    Owner:  (none)
         Type:                       |                   Status:  new
  Cleanup/optimization               |
    Component:  Database layer       |                  Version:  dev
  (models, ORM)                      |
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:
                                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Description changed by Adam Johnson:

Old description:

> The
> [https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.Field.formfield
> current documentation] only states that a form field should be returned.
> `None` is also an allowed return value,
> [https://github.com/django/django/blob/cdbd31960e0cf41063b3efac97292ee0ccc262bb/django/db/models/fields/__init__.py#L2828-L2829
> as used by AutoFieldMixin], used to
> [https://github.com/django/django/blob/cdbd31960e0cf41063b3efac97292ee0ccc262bb/django/forms/models.py#L236-L248
> ignore the field] when constructing the model form.

New description:

 The
 
[https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.Field.formfield
 current documentation] only states that a form field should be returned.
 `None` is also an allowed return value,
 
[https://github.com/django/django/blob/cdbd31960e0cf41063b3efac97292ee0ccc262bb/django/db/models/fields/__init__.py#L2828-L2829
 as used by AutoFieldMixin], used to
 
[https://github.com/django/django/blob/cdbd31960e0cf41063b3efac97292ee0ccc262bb/django/forms/models.py#L236-L248
 ignore the field] when constructing the model form.

 (Updating django-stubs types [https://github.com/typeddjango/django-
 stubs/pull/2363 in this PR].)

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Ticket URL: <https://code.djangoproject.com/ticket/35748#comment:1>
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