--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/app/django/contrib/localflavor/no/forms.py Fri Jul 18 18:22:23 2008 +0000
@@ -0,0 +1,81 @@
+"""
+Norwegian-specific Form helpers
+"""
+
+import re, datetime
+from django.newforms import ValidationError
+from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
+from django.utils.translation import ugettext
+
+class NOZipCodeField(RegexField):
+ default_error_messages = {
+ 'invalid': ugettext('Enter a zip code in the format XXXX.'),
+ }
+
+ def __init__(self, *args, **kwargs):
+ super(NOZipCodeField, self).__init__(r'^\d{4}$',
+ max_length=None, min_length=None, *args, **kwargs)
+
+class NOMunicipalitySelect(Select):
+ """
+ A Select widget that uses a list of Norwegian municipalities (fylker)
+ as its choices.
+ """
+ def __init__(self, attrs=None):
+ from no_municipalities import MUNICIPALITY_CHOICES
+ super(NOMunicipalitySelect, self).__init__(attrs, choices=MUNICIPALITY_CHOICES)
+
+class NOSocialSecurityNumber(Field):
+ """
+ Algorithm is documented at http://no.wikipedia.org/wiki/Personnummer
+ """
+ default_error_messages = {
+ 'invalid': ugettext(u'Enter a valid Norwegian social security number.'),
+ }
+
+ def clean(self, value):
+ super(NOSocialSecurityNumber, self).clean(value)
+ if value in EMPTY_VALUES:
+ return u''
+
+ if not re.match(r'^\d{11}$', value):
+ raise ValidationError(self.error_messages['invalid'])
+
+ day = int(value[:2])
+ month = int(value[2:4])
+ year2 = int(value[4:6])
+
+ inum = int(value[6:9])
+ self.birthday = None
+ try:
+ if 000 <= inum < 500:
+ self.birthday = datetime.date(1900+year2, month, day)
+ if 500 <= inum < 750 and year2 > 54:
+ self.birthday = datetime.date(1800+year2, month, day)
+ if 500 <= inum < 1000 and year2 < 40:
+ self.birthday = datetime.date(2000+year2, month, day)
+ if 900 <= inum < 1000 and year2 > 39:
+ self.birthday = datetime.date(1900+year2, month, day)
+ except ValueError:
+ raise ValidationError(self.error_messages['invalid'])
+
+ sexnum = int(value[8])
+ if sexnum % 2 == 0:
+ self.gender = 'F'
+ else:
+ self.gender = 'M'
+
+ digits = map(int, list(value))
+ weight_1 = [3, 7, 6, 1, 8, 9, 4, 5, 2, 1, 0]
+ weight_2 = [5, 4, 3, 2, 7, 6, 5, 4, 3, 2, 1]
+
+ def multiply_reduce(aval, bval):
+ return sum([(a * b) for (a, b) in zip(aval, bval)])
+
+ if multiply_reduce(digits, weight_1) % 11 != 0:
+ raise ValidationError(self.error_messages['invalid'])
+ if multiply_reduce(digits, weight_2) % 11 != 0:
+ raise ValidationError(self.error_messages['invalid'])
+
+ return value
+