Source code for localflavor.tr.forms

from __future__ import unicode_literals

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 _

from .tr_provinces import PROVINCE_CHOICES


[docs]class TRPostalCodeField(RegexField): """ A form field that validates input as a Turkish zip code. Valid codes consist of five digits. """ default_error_messages = { 'invalid': _('Enter a postal code in the format XXXXX.'), } def __init__(self, max_length=5, min_length=5, *args, **kwargs): super(TRPostalCodeField, self).__init__( r'^\d{5}$', max_length=max_length, min_length=min_length, *args, **kwargs ) def clean(self, value): value = super(TRPostalCodeField, self).clean(value) if value in self.empty_values: return self.empty_value if len(value) != 5: raise ValidationError(self.error_messages['invalid']) province_code = int(value[:2]) if province_code == 0 or province_code > 81: raise ValidationError(self.error_messages['invalid']) return value
[docs]class TRIdentificationNumberField(Field): """ A Turkey Identification Number number. See: http://tr.wikipedia.org/wiki/T%C3%BCrkiye_Cumhuriyeti_Kimlik_Numaras%C4%B1 Checks the following rules to determine whether the number is valid: * The number is 11-digits. * First digit is not 0. * Conforms to the following two formula: (sum(1st, 3rd, 5th, 7th, 9th)*7 - sum(2nd,4th,6th,8th)) % 10 = 10th digit sum(1st to 10th) % 10 = 11th digit """ default_error_messages = { 'invalid': _('Enter a valid Turkish Identification number.'), 'not_11': _('Turkish Identification number must be 11 digits.'), } def clean(self, value): super(TRIdentificationNumberField, self).clean(value) if value in EMPTY_VALUES: return '' if len(value) != 11: raise ValidationError(self.error_messages['not_11']) if not re.match(r'^\d{11}$', 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 range(0, 9, 2)]) * 7 - sum([int(value[i]) for i in range(1, 9, 2)])) % 10 if (chksum != int(value[9]) or (sum([int(value[i]) for i in range(10)]) % 10) != int(value[10])): raise ValidationError(self.error_messages['invalid']) return value
[docs]class TRProvinceSelect(Select): """A Select widget that uses a list of provinces in Turkey as its choices.""" def __init__(self, attrs=None): super(TRProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)