|
0
|
1 |
""" |
|
|
2 |
Iceland specific form helpers. |
|
|
3 |
""" |
|
|
4 |
|
|
|
5 |
from django.forms import ValidationError |
|
|
6 |
from django.forms.fields import RegexField, EMPTY_VALUES |
|
|
7 |
from django.forms.widgets import Select |
|
|
8 |
from django.utils.translation import ugettext_lazy as _ |
|
|
9 |
from django.utils.encoding import smart_unicode |
|
|
10 |
|
|
|
11 |
class ISIdNumberField(RegexField): |
|
|
12 |
""" |
|
|
13 |
Icelandic identification number (kennitala). This is a number every citizen |
|
|
14 |
of Iceland has. |
|
|
15 |
""" |
|
|
16 |
default_error_messages = { |
|
|
17 |
'invalid': _('Enter a valid Icelandic identification number. The format is XXXXXX-XXXX.'), |
|
|
18 |
'checksum': _(u'The Icelandic identification number is not valid.'), |
|
|
19 |
} |
|
|
20 |
|
|
|
21 |
def __init__(self, *args, **kwargs): |
|
|
22 |
kwargs['min_length'],kwargs['max_length'] = 10,11 |
|
|
23 |
super(ISIdNumberField, self).__init__(r'^\d{6}(-| )?\d{4}$', *args, **kwargs) |
|
|
24 |
|
|
|
25 |
def clean(self, value): |
|
|
26 |
value = super(ISIdNumberField, self).clean(value) |
|
|
27 |
|
|
|
28 |
if value in EMPTY_VALUES: |
|
|
29 |
return u'' |
|
|
30 |
|
|
|
31 |
value = self._canonify(value) |
|
|
32 |
if self._validate(value): |
|
|
33 |
return self._format(value) |
|
|
34 |
else: |
|
|
35 |
raise ValidationError(self.error_messages['checksum']) |
|
|
36 |
|
|
|
37 |
def _canonify(self, value): |
|
|
38 |
""" |
|
|
39 |
Returns the value as only digits. |
|
|
40 |
""" |
|
|
41 |
return value.replace('-', '').replace(' ', '') |
|
|
42 |
|
|
|
43 |
def _validate(self, value): |
|
|
44 |
""" |
|
|
45 |
Takes in the value in canonical form and checks the verifier digit. The |
|
|
46 |
method is modulo 11. |
|
|
47 |
""" |
|
|
48 |
check = [3, 2, 7, 6, 5, 4, 3, 2, 1, 0] |
|
|
49 |
return sum([int(value[i]) * check[i] for i in range(10)]) % 11 == 0 |
|
|
50 |
|
|
|
51 |
def _format(self, value): |
|
|
52 |
""" |
|
|
53 |
Takes in the value in canonical form and returns it in the common |
|
|
54 |
display format. |
|
|
55 |
""" |
|
|
56 |
return smart_unicode(value[:6]+'-'+value[6:]) |
|
|
57 |
|
|
|
58 |
class ISPhoneNumberField(RegexField): |
|
|
59 |
""" |
|
|
60 |
Icelandic phone number. Seven digits with an optional hyphen or space after |
|
|
61 |
the first three digits. |
|
|
62 |
""" |
|
|
63 |
def __init__(self, *args, **kwargs): |
|
|
64 |
kwargs['min_length'], kwargs['max_length'] = 7,8 |
|
|
65 |
super(ISPhoneNumberField, self).__init__(r'^\d{3}(-| )?\d{4}$', *args, **kwargs) |
|
|
66 |
|
|
|
67 |
def clean(self, value): |
|
|
68 |
value = super(ISPhoneNumberField, self).clean(value) |
|
|
69 |
|
|
|
70 |
if value in EMPTY_VALUES: |
|
|
71 |
return u'' |
|
|
72 |
|
|
|
73 |
return value.replace('-', '').replace(' ', '') |
|
|
74 |
|
|
|
75 |
class ISPostalCodeSelect(Select): |
|
|
76 |
""" |
|
|
77 |
A Select widget that uses a list of Icelandic postal codes as its choices. |
|
|
78 |
""" |
|
|
79 |
def __init__(self, attrs=None): |
|
|
80 |
from is_postalcodes import IS_POSTALCODES |
|
|
81 |
super(ISPostalCodeSelect, self).__init__(attrs, choices=IS_POSTALCODES) |
|
|
82 |
|