app/django/contrib/localflavor/au/forms.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Tue, 14 Oct 2008 16:00:59 +0000
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"""
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Australian-specific Form helpers
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"""
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from django.forms import ValidationError
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from django.forms.fields import Field, RegexField, Select, EMPTY_VALUES
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from django.forms.util import smart_unicode
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from django.utils.translation import ugettext_lazy as _
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import re
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PHONE_DIGITS_RE = re.compile(r'^(\d{10})$')
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class AUPostCodeField(RegexField):
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    """Australian post code field."""
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    default_error_messages = {
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        'invalid': _('Enter a 4 digit post code.'),
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    }
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    def __init__(self, *args, **kwargs):
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        super(AUPostCodeField, self).__init__(r'^\d{4}$',
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            max_length=None, min_length=None, *args, **kwargs)
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class AUPhoneNumberField(Field):
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    """Australian phone number field."""
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    default_error_messages = {
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        'invalid': u'Phone numbers must contain 10 digits.',
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    }
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    def clean(self, value):
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        """
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        Validate a phone number. Strips parentheses, whitespace and hyphens.
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        """
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        super(AUPhoneNumberField, self).clean(value)
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        if value in EMPTY_VALUES:
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            return u''
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        value = re.sub('(\(|\)|\s+|-)', '', smart_unicode(value))
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        phone_match = PHONE_DIGITS_RE.search(value)
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        if phone_match:
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            return u'%s' % phone_match.group(1)
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        raise ValidationError(self.error_messages['invalid'])
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class AUStateSelect(Select):
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    """
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    A Select widget that uses a list of Australian states/territories as its
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    choices.
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    """
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    def __init__(self, attrs=None):
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        from au_states import STATE_CHOICES
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        super(AUStateSelect, self).__init__(attrs, choices=STATE_CHOICES)