Fixed #15315 -- Added support for the 'widget' argument to modelform_factory....

    __metaclass__ = ModelFormMetaclass

def modelform_factory(model, form=ModelForm, fields=None, exclude=None,

                       formfield_callback=None):

                      formfield_callback=None,  widgets=None):

    # Create the inner Meta class. FIXME: ideally, we should be able to

    # construct a ModelForm without creating and passing in a temporary

    # inner class.

        attrs['fields'] = fields

    if exclude is not None:

        attrs['exclude'] = exclude

    if widgets is not None:

        attrs['widgets'] = widgets

    # If parent form class already has an inner Meta, the Meta we're

    # creating needs to inherit from the parent's inner meta.

        Form = modelform_factory(Person, form=BaseForm)

        self.assertTrue(Form.base_fields['name'].widget is widget)

    def test_factory_with_widget_argument(self):

        """ Regression for #15315: modelform_factory should accept widgets

            argument

        """

        widget = forms.Textarea()

        # Without a widget should not set the widget to textarea

        Form = modelform_factory(Person)

        self.assertNotEqual(Form.base_fields['name'].widget.__class__, forms.Textarea)

        # With a widget should not set the widget to textarea

        Form = modelform_factory(Person, widgets={'name':widget})

        self.assertEqual(Form.base_fields['name'].widget.__class__, forms.Textarea)

    def test_custom_callback(self):

        """Test that a custom formfield_callback is used if provided"""