I have a simple MultiValueField and MultiWidget (that I modified from
this example
http://groups.google.com/group/django-users/browse_thread/thread/9b64e524dcf9d279/1e1144d1d7d69bb9).
from django import newforms as forms
class ContactWidget(forms.MultiWidget):
def __init__(self,attrs=None,contact_types=()):
widgets =
(forms.Select(attrs=attrs,choices=contact_types),forms.TextInput(attrs=attrs))
super(ContactWidget,self).__init__(widgets,attrs)
def decompress(self,value):
if value:
return value.split('__')
return ['','']
class ContactField(forms.MultiValueField):
def
__init__(self,contact_types=(),required=True,label=None,initial=None):
fields = (forms.ChoiceField(),forms.CharField(max_length=35))
widget = ContactWidget(contact_types=contact_types)
super(ContactField,self).__init__(fields,required,widget,label,initial)
def compress(self,data_list):
if data_list:
return '__'.join(data_list)
return None
contact_choices = ['Office Phone','Home Phone','Cell
Phone','Fax','Pager']
contact_pairs = [(c,c) for c in contact_choices]
class ContactForm(forms.Form):
custom_field =
ContactField(label='',contact_types=contact_pairs,required=False)
But when I use ContactForm to validate some data the decompress method
of ContactWidget doesn't get called, neither does commenting out
ContactWidget's decompress method raise the NotImplementedError in /
usr/lib/python2.4/site-packages/django/newforms/widgets.MultiWidget as
I would expect.
>>> d = {'custom_field':'Office Phone__1234567890','submit':'submit'}
>>> cf = ContactForm(d)
>>> cf.is_valid()
True
>>> cf.clean_data
{'custom_field': u'__'}
What have I done wrong?
Justin
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