Ticket #3961: ticket_3961__rev_6223.diff

File ticket_3961__rev_6223.diff, 4.6 KB (added by __hawkeye__, 7 years ago)

Removed Luhn algorithm implementation, now covered separately in #5475

  • django/contrib/localflavor/za/za_provinces.py

     
     1from django.utils.translation import gettext_lazy as _
     2
     3PROVINCE_CHOICES = (
     4    ('EC', _('Eastern Cape')),
     5    ('FS', _('Free State')),
     6    ('GP', _('Gauteng')),
     7    ('KN', _('KwaZulu-Natal')),
     8    ('LP', _('Limpopo')),
     9    ('MP', _('Mpumalanga')),
     10    ('NC', _('Northern Cape')),
     11    ('NW', _('North West')),
     12    ('WC', _('Western Cape')),
     13)
  • django/contrib/localflavor/za/forms.py

     
     1"""
     2South Africa-specific Form helpers
     3"""
     4
     5from django.newforms import ValidationError
     6from django.newforms.fields import Field, RegexField, EMPTY_VALUES
     7from django.utils.checksums import luhn
     8from django.utils.translation import gettext as _
     9import re
     10from datetime import date
     11
     12id_re = re.compile(r'^(?P<yy>\d\d)(?P<mm>\d\d)(?P<dd>\d\d)(?P<mid>\d{4})(?P<end>\d{3})')
     13
     14class ZAIDField(Field):
     15    """A form field for South African ID numbers -- the checksum is validated
     16    using the Luhn checksum, and uses a simlistic (read: not entirely accurate)
     17    check for the birthdate
     18    """
     19
     20    def __init__(self, *args, **kwargs):
     21        super(ZAIDField, self).__init__()
     22        self.error_message = _(u'Enter a valid South African ID number')
     23
     24    def clean(self, value):
     25        # strip spaces and dashes
     26        value = value.strip().replace(' ', '').replace('-', '')
     27
     28        super(ZAIDField, self).clean(value)
     29
     30        if value in EMPTY_VALUES:
     31            return u''
     32
     33        match = re.match(id_re, value)
     34       
     35        if not match:
     36            raise ValidationError(self.error_message)
     37
     38        g = match.groupdict()
     39
     40        try:
     41            # The year 2000 is conveniently a leapyear.
     42            # This algorithm will break in xx00 years which aren't leap years
     43            # There is no way to guess the century of a ZA ID number
     44            d = date(int(g['yy']) + 2000, int(g['mm']), int(g['dd']))
     45        except ValueError:
     46            raise ValidationError(self.error_message)
     47
     48        if not luhn(value):
     49            raise ValidationError(self.error_message)
     50
     51        return value
     52
     53class ZAPostCodeField(RegexField):
     54    def __init__(self, *args, **kwargs):
     55        super(ZAPostCodeField, self).__init__(r'^\d{4}$',
     56            max_length=None, min_length=None,
     57            error_message=_(u'Enter a valid South African postal code'))
  • tests/regressiontests/forms/localflavor.py

     
    20362036...
    20372037ValidationError: [u'Enter a valid Canadian Social Insurance number in XXX-XXX-XXXX format.']
    20382038
     2039# ZAIDField #################################################################
     2040
     2041ZAIDField validates that the date is a valid birthdate and that the value
     2042has a valid checksum. It allows spaces and dashes, and returns a plain
     2043string of digits.
     2044>>> from django.contrib.localflavor.za.forms import ZAIDField
     2045>>> f = ZAIDField()
     2046>>> f.clean('0002290001003')
     2047'0002290001003'
     2048>>> f.clean('000229 0001 003')
     2049'0002290001003'
     2050>>> f.clean('0102290001001')
     2051Traceback (most recent call last):
     2052...
     2053ValidationError: [u'Enter a valid South African ID number']
     2054>>> f.clean('811208')
     2055Traceback (most recent call last):
     2056...
     2057ValidationError: [u'Enter a valid South African ID number']
     2058>>> f.clean('0002290001004')
     2059Traceback (most recent call last):
     2060...
     2061ValidationError: [u'Enter a valid South African ID number']
     2062
     2063# ZAPostCodeField ###########################################################
     2064>>> from django.contrib.localflavor.za.forms import ZAPostCodeField
     2065>>> f = ZAPostCodeField()
     2066>>> f.clean('abcd')
     2067Traceback (most recent call last):
     2068...
     2069ValidationError: [u'Enter a valid South African postal code']
     2070>>> f.clean('0000')
     2071u'0000'
     2072>>> f.clean(' 7530')
     2073Traceback (most recent call last):
     2074...
     2075ValidationError: [u'Enter a valid South African postal code']
     2076
    20392077## Generic DateField ##########################################################
    20402078
    20412079>>> from django.contrib.localflavor.generic.forms import *
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