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Fixed #8620 -- Updated the Form metaclass to support excluding fields by shadowing them.

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This commit is contained in:
Loic Bistuer 2013-10-14 22:42:33 +07:00
parent ac5ec7b8bc
commit b16dd1fe01
5 changed files with 52 additions and 0 deletions
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23
tests/model_forms/tests.py
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@ -1815,3 +1815,26 @@ class ModelFormInheritanceTests(TestCase):
fields = '__all__'
self.assertEqual(list(ModelForm().fields.keys()), ['name', 'age'])
def test_field_shadowing(self):
class ModelForm(forms.ModelForm):
class Meta:
model = Writer
fields = '__all__'
class Mixin(object):
age = None
class Form(forms.Form):
age = forms.IntegerField()
class Form2(forms.Form):
foo = forms.IntegerField()
self.assertEqual(list(ModelForm().fields.keys()), ['name'])
self.assertEqual(list(type(str('NewForm'), (Mixin, Form), {})().fields.keys()), [])
self.assertEqual(list(type(str('NewForm'), (Form2, Mixin, Form), {})().fields.keys()), ['foo'])
self.assertEqual(list(type(str('NewForm'), (Mixin, ModelForm, Form), {})().fields.keys()), ['name'])
self.assertEqual(list(type(str('NewForm'), (ModelForm, Mixin, Form), {})().fields.keys()), ['name'])
self.assertEqual(list(type(str('NewForm'), (ModelForm, Form, Mixin), {})().fields.keys()), ['name', 'age'])
self.assertEqual(list(type(str('NewForm'), (ModelForm, Form), {'age': None})().fields.keys()), ['name'])