/django/contrib/localflavor/at/forms.py
https://code.google.com/p/mango-py/ · Python · 69 lines · 48 code · 8 blank · 13 comment · 1 complexity · f07c9d82b2753e487ef4e396180183a8 MD5 · raw file
- """
- AT-specific Form helpers
- """
- import re
- from django.core.validators import EMPTY_VALUES
- from django.forms import ValidationError
- from django.forms.fields import Field, RegexField, Select
- from django.utils.translation import ugettext_lazy as _
- 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):
- value = super(ATSocialSecurityNumberField, self).clean(value)
- if value in EMPTY_VALUES:
- return u""
- 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,)