django1/django/contrib/localflavor/tr/forms.py

92 lines
3.3 KiB
Python

"""
TR-specific Form helpers
"""
from django.core.validators import EMPTY_VALUES
from django.forms import ValidationError
from django.forms.fields import Field, RegexField, Select, CharField
from django.utils.encoding import smart_unicode
from django.utils.translation import ugettext_lazy as _
import re
phone_digits_re = re.compile(r'^(\+90|0)? ?(([1-9]\d{2})|\([1-9]\d{2}\)) ?([2-9]\d{2} ?\d{2} ?\d{2})$')
class TRPostalCodeField(RegexField):
default_error_messages = {
'invalid': _(u'Enter a postal code in the format XXXXX.'),
}
def __init__(self, *args, **kwargs):
super(TRPostalCodeField, self).__init__(r'^\d{5}$',
max_length=5, min_length=5, *args, **kwargs)
def clean(self, value):
value = super(TRPostalCodeField, self).clean(value)
if value in EMPTY_VALUES:
return u''
if len(value) != 5:
raise ValidationError(self.error_messages['invalid'])
province_code = int(value[:2])
if province_code == 0 or province_code > 81:
raise ValidationError(self.error_messages['invalid'])
return value
class TRPhoneNumberField(CharField):
default_error_messages = {
'invalid': _(u'Phone numbers must be in 0XXX XXX XXXX format.'),
}
def clean(self, value):
super(TRPhoneNumberField, self).clean(value)
if value in EMPTY_VALUES:
return u''
value = re.sub('(\(|\)|\s+)', '', smart_unicode(value))
m = phone_digits_re.search(value)
if m:
return u'%s%s' % (m.group(2), m.group(4))
raise ValidationError(self.error_messages['invalid'])
class TRIdentificationNumberField(Field):
"""
A Turkey Identification Number number.
See: http://tr.wikipedia.org/wiki/T%C3%BCrkiye_Cumhuriyeti_Kimlik_Numaras%C4%B1
Checks the following rules to determine whether the number is valid:
* The number is 11-digits.
* First digit is not 0.
* Conforms to the following two formula:
(sum(1st, 3rd, 5th, 7th, 9th)*7 - sum(2nd,4th,6th,8th)) % 10 = 10th digit
sum(1st to 10th) % 10 = 11th digit
"""
default_error_messages = {
'invalid': _(u'Enter a valid Turkish Identification number.'),
'not_11': _(u'Turkish Identification number must be 11 digits.'),
}
def clean(self, value):
super(TRIdentificationNumberField, self).clean(value)
if value in EMPTY_VALUES:
return u''
if len(value) != 11:
raise ValidationError(self.error_messages['not_11'])
if not re.match(r'^\d{11}$', value):
raise ValidationError(self.error_messages['invalid'])
if int(value[0]) == 0:
raise ValidationError(self.error_messages['invalid'])
chksum = (sum([int(value[i]) for i in xrange(0,9,2)])*7-
sum([int(value[i]) for i in xrange(1,9,2)])) % 10
if chksum != int(value[9]) or \
(sum([int(value[i]) for i in xrange(10)]) % 10) != int(value[10]):
raise ValidationError(self.error_messages['invalid'])
return value
class TRProvinceSelect(Select):
"""
A Select widget that uses a list of provinces in Turkey as its choices.
"""
def __init__(self, attrs=None):
from tr_provinces import PROVINCE_CHOICES
super(TRProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)