Adrian Holovaty wrote:
> Which problem did you have with the prefix parameter? Was it just a
> problem of the patch not applying correctly, or was there some sort of
> bug?
The patch is ok and I don't think it's a bug: I was trying to find the
best way to implement a form with dynamic choices.
This code works with r4193 (but doesn't validate request.POST):
class OrderForm(forms.Form):
articles = forms.MultipleChoiceField()
def __init__(self, article_list, data=None):
self['articles'].field.choices = article_list
self['articles'].field.widget.choices = article_list
super(OrderForm, self).__init__(data)
But from r4194 it causes an error:
Exception Type: AttributeError
Exception Value: '__init__' object has no attribute 'prefix'
Exception Location:
/usr/lib/python2.4/site-packages/django/newforms/forms.py in
add_prefix, line 83
I have to postpone the two rows after the super __init__ call:
def __init__(self, article_list, data=None):
super(OrderForm, self).__init__(data)
self['articles'].field.choices = article_list
self['articles'].field.widget.choices = article_list
The second form seems to work but I don't know if there is a
better/cleaner way to get that result.
I'm sorry but my understanding of Django (and Python as well) is quite
limited.
Massimiliano
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