| """ |
| AT-specific Form helpers |
| """ |
| |
| import re |
| |
| from django.utils.translation import ugettext_lazy as _ |
| from django.forms.fields import Field, RegexField, Select |
| from django.forms import ValidationError |
| |
| re_ssn = re.compile(r'^\d{4} \d{6}') |
| |
| class ATZipCodeField(RegexField): |
| """ |
| A form field that validates its input is an Austrian postcode. |
| |
| Accepts 4 digits. |
| """ |
| default_error_messages = { |
| 'invalid': _('Enter a zip code in the format XXXX.'), |
| } |
| def __init__(self, *args, **kwargs): |
| super(ATZipCodeField, self).__init__(r'^\d{4}$', |
| max_length=None, min_length=None, *args, **kwargs) |
| |
| class ATStateSelect(Select): |
| """ |
| A Select widget that uses a list of AT states as its choices. |
| """ |
| def __init__(self, attrs=None): |
| from django.contrib.localflavor.at.at_states import STATE_CHOICES |
| super(ATStateSelect, self).__init__(attrs, choices=STATE_CHOICES) |
| |
| class ATSocialSecurityNumberField(Field): |
| """ |
| Austrian Social Security numbers are composed of a 4 digits and 6 digits |
| field. The latter represents in most cases the person's birthdate while |
| the first 4 digits represent a 3-digits counter and a one-digit checksum. |
| |
| The 6-digits field can also differ from the person's birthdate if the |
| 3-digits counter suffered an overflow. |
| |
| This code is based on information available on |
| http://de.wikipedia.org/wiki/Sozialversicherungsnummer#.C3.96sterreich |
| """ |
| |
| default_error_messages = { |
| 'invalid': _(u'Enter a valid Austrian Social Security Number in XXXX XXXXXX format.'), |
| } |
| |
| def clean(self, value): |
| if not re_ssn.search(value): |
| raise ValidationError(self.error_messages['invalid']) |
| sqnr, date = value.split(" ") |
| sqnr, check = (sqnr[:3], (sqnr[3])) |
| if int(sqnr) < 100: |
| raise ValidationError(self.error_messages['invalid']) |
| res = int(sqnr[0])*3 + int(sqnr[1])*7 + int(sqnr[2])*9 \ |
| + int(date[0])*5 + int(date[1])*8 + int(date[2])*4 \ |
| + int(date[3])*2 + int(date[4])*1 + int(date[5])*6 |
| res = res % 11 |
| if res != int(check): |
| raise ValidationError(self.error_messages['invalid']) |
| return u'%s%s %s'%(sqnr, check, date,) |
| |