#20703: Why django form.as_p call form.clean method when template renders?
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Reporter: max.kharandziuk@… | Owner: nobody
Type: Uncategorized | Status: new
Component: Template system | Version: 1.5
Severity: Normal | Keywords: as_p clean templates
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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I have this sample of django code:
{{{
# views.py
def test_view(request):
form = TestForm(
request.POST or { 'text': 'some text'},
)
data = {
'form': form,
}
print 'before rendering'
return render(request, 'test.html', data)
# forms.py
class TestForm(forms.Form):
text = forms.CharField()
def __init__(self, *args, **kwargs):
print 'init'
super(TestForm, self).__init__(*args, **kwargs)
def clean(self):
print 'in clean'
}}}
and this template:
{{{
#test.html
<form id='test-form' method="post" action="some url"
enctype="multipart/form-data">
{{ form.as_p }}
<input type="submit" value="Save"/>
</form>
}}}
when i send get request to this file i have this output in console:
> before rendering
> init
> in clean
when I write {{ form.text }} instead of {{ form.as_p }} I have only:
> before rendering
> init
It seams to me that as_p method calls clean() internally in process of
rendering template.
Is it a bug or some undocumented feature?
Should this side effect avoided?
Version of Django==1.5.1
--
Ticket URL: <https://code.djangoproject.com/ticket/20703>
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