Refs #32819 -- Avoided adding 'aria-describedby' to hidden inputs.

Hidden elements are not visible for both accessibility tools and browsers presentation layer. This change therefore only reduces the size of the generated HTML.

django/forms/boundfield.py

@@ -298,6 +298,7 @@ def build_widget_attrs(self, attrs, widget=None):
             and self.field.help_text
             and not self.use_fieldset
             and self.auto_id
+            and not self.is_hidden
         ):
             attrs["aria-describedby"] = f"{self.auto_id}_helptext"
         return attrs

tests/forms_tests/tests/test_forms.py

@@ -2136,6 +2136,15 @@ class TestForm(Form):
             p.as_p(), '<input type="hidden" name="foo"><input type="hidden" name="bar">'
         )
 
+    def test_hidden_widget_does_not_have_aria_describedby(self):
+        class TestForm(Form):
+            hidden_text = CharField(widget=HiddenInput, help_text="Help Text")
+
+        f = TestForm()
+        self.assertEqual(
+            str(f), '<input type="hidden" name="hidden_text" id="id_hidden_text">'
+        )
+
     def test_field_order(self):
         # A Form's fields are displayed in the same order in which they were defined.
         class TestForm(Form):