#36772: `aria-describedby`-Attribute missing from file field HTML in Django 6.0
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Reporter: cessor | Type: Bug
Status: new | Component: Forms
Version: 6.0 | Severity: Normal
Keywords: forms, aria, | Triage Stage:
fieldset, accessibility, admin | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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In Django 6, input fields of type `file` do not render `aria-describedby`
attributes. Those were introduced with Django 5.2. to facilitate use of
screenreaders.
== Steps to reproduce
- Create a model with a `file = models.FileField(...)`
- Render a `forms.ModelForm` for the model
- The HTML for the input field should contain attribute `aria-
describedby="id_file_helptext"`
- When Django 5.2 is installed the attribute is rendered
- When Django 6.0 is installed, the attribute is not rendered
Note that this issue affects `FileFields` but not `CharFields`. Both
render HTML input elements. I did not test whether other fields are also
affected.
I attached a zipfile with an example app. To reproduce the error, please
create a .venv and install Django 5.2, then run `manage.py tests`; all
will succeed. When installing Django 6, one test will fail. The module
`web.tests` contains two tests, both check the input field HTML for `aria-
describedby`, one is for a charfield, the other for a filefield.
== Details
Consider Issue #35892 "Supported Widget.use_fieldset in admin forms.". In
the scope of this ticked, a change was made to
`django.forms.widgets.ClearableFileInput`, where as with commit 4187da2
the value `ClearableFileInput.use_fieldset` is set to `True` by default.
Because of this change,
`django.forms.boundfield.BoundField.build_widget_attrs` does not add the
"aria-describedby" attribute to the `attrs` dictionary which is then
missing from the final response HTML.
Sources:
-
https://github.com/django/django/blame/0ca3a0661173b02e2cbb0183d8543e790e7e4a55/django/forms/widgets.py#L533
-
https://github.com/django/django/blob/0ca3a0661173b02e2cbb0183d8543e790e7e4a55/django/forms/boundfield.py#L300
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Ticket URL: <https://code.djangoproject.com/ticket/36772>
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