Implementing USZipCodeField and USStateField in django

I'm looking to implement a zipcode field in django using the form objects from localflavor, but not quite getting them to work. I want to have a zipcode field in a form (or ModelForm in my case), but the fields never validate as a zipcode when calling _get_errors() on the form object. The way I'm implementing it seems right to me but is apparently wrong, does anyone know what the right way to do this might be?

I have a ModelForm that I want to use zipcode (and also USStateField) in:

from django.contrib.localflavor.us.forms import USStateField
from django.contrib.localflavor.us.forms import USZipCodeField

class FooForm(ModelForm):
    class Meta:
        model  = Bar
        fields = ('address', #This form uses a subset of fields from the model
                  'address_apt',
                  'address_city',
                  'address_state',
                  'address_zip',
                  'home_phone',
                  'mobile_phone')
        widgets= {
                  'address_zip'    : USZipCodeField(),
                  'address_state'  : USStateField(),
                 }

The ModelForm 'FooForm' links to a model that looks like:

from django.contrib.localflavor.us import models as usmodels

class Bar(models.Model):
    db_table = 'BAR'

    address                 = models.CharField(max_length=255)
    address_apt             = models.CharField(max_length=40, blank=True)
    address_city            = models.CharField(max_length=90)
    address_state           = usmodels.USStateField()
    address_zip             = models.CharField(max_length=15)
    home_phone              = usmodels.PhoneNumberField( )
    mobile_phone            = usmodels.PhoneNumberField( )
    #... There are more fields in the model...

But if I create an instance of the form and run it's validation, it never cares about the form level validation, only the model level validation:

foo_instance = FooForm(request.POST)
#Let's assume request.POST looks like: 
#<QueryDict: {u'address_city': [u'asdf'], u'mobile_phone': [u'asdf'], u'address_state': [u'California'], u'home_phone': [u'asdf'], [u'1'], u'address': [u'123 foo'], u'address_zip': [u'asdf']}>

foo_instance._get_errors() Yields:

<ul class="errorlist">
<li>mobile_phone<ul class="errorlist">
<li>Phone numbers must be in XXX-XXX-XXXX format.</li></ul>
</li><li>home_phone<ul class="errorlist">
<li>Phone numbers must be in XXX-XXX-XXXX format.</li></ul>
</li></ul>

I need to be able to call validation on the populated form object and have it tell me 开发者_Python百科that the zipcode is formated improperly if so. Doing something wrong, just don't know what atm.

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Using widgets declaratively has literally only just been added to the trunk SVN version in the last day or so. If you're using an older checkout, or a released version, it won't work - you'll need to go back to the old way of doing it, by overriding the field declarations at the top level of the form.