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form_business
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class GFKFormBusiness(object): | |
def value_from_object(self, instance, name): | |
return getattr(instance, name) | |
def save_form_data(self, instance, name, value): | |
setattr(instance, name, value) | |
class TestForm(forms.ModelForm): | |
test = autocomplete.QuerySetSequenceModelField( | |
form_business=GFKFormBusiness, | |
queryset=autocomplete.QuerySetSequence( | |
Group.objects.all(), | |
TestModel.objects.all(), | |
), | |
required=False, | |
) | |
class Meta: | |
model = TestModel | |
fields = ('name', 'test') | |
class TestView(generic.UpdateView): | |
model = TestModel | |
form_class = TestForm | |
template_name = 'form.html' |
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class TestForm(forms.ModelForm): | |
test = autocomplete.QuerySetSequenceModelField( | |
queryset=autocomplete.QuerySetSequence( | |
Group.objects.all(), | |
TestModel.objects.all(), | |
), | |
) | |
class Meta: | |
model = TestModel | |
fields = ('name',) | |
class TestView(generic.UpdateView): | |
model = TestModel | |
form_class = TestForm | |
template_name = 'form.html' | |
def get_form_kwargs(self): | |
kwargs = super(TestView, self).get_form_kwargs() | |
# Would have been done by GenericForeignKey.value_for_object | |
kwargs['initial'] = dict(test=self.object.test) | |
return kwargs | |
def form_valid(self, form): | |
self.object = form.save(commit=False) | |
# Would have been done by GenericForeignKey.save_form_data | |
self.object.test = form.cleaned_data['test'] | |
self.object.save() | |
return super(TestView, self).form_valid(form) |
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from django.contrib.contenttypes.fields import GenericForeignKey | |
from django.db import models | |
from django.utils.encoding import python_2_unicode_compatible | |
@python_2_unicode_compatible | |
class TestModel(models.Model): | |
name = models.CharField(max_length=200) | |
content_type = models.ForeignKey( | |
'contenttypes.ContentType', | |
null=True, | |
blank=True, | |
editable=False, | |
) | |
object_id = models.PositiveIntegerField( | |
null=True, | |
blank=True, | |
editable=False, | |
) | |
test = GenericForeignKey('content_type', 'object_id') | |
def __str__(self): | |
return self.name |
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