#27003: ArrayField and JSONField form fields fail on already converted values
---------------------------------+----------------------------------
Reporter: brandonchinn178 | Owner: nobody
Type: Bug | Status: new
Component: Forms | Version: 1.10
Severity: Normal | Keywords: postgres, arrayfield
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 1 | UI/UX: 0
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If I make a model `Foo` with the PostgreSQL `ArrayField`,
{{{
class Foo(models.Model):
bar = ArrayField(models.CharField(...))
}}}
And create a `ModelForm`:
{{{
FooForm = modelform_factory(Foo, excludes=[])
}}}
The field will fail with already-converted values, like
{{{
foo = Foo.objects.create(bar=['a', 'b'])
data = model_to_dict(foo) # {'bar': ['a', 'b']}
form = FooForm(instance=foo, data=data)
form.full_clean() # errors at django/contrib/postgres/forms/array.py:39
}}}
Shouldn't already converted values be checked in the `to_python` method of
`ArrayField`? (Same with `JSONField`)
--
Ticket URL: <https://code.djangoproject.com/ticket/27003>
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