+
−# -*- coding: utf-8 -*-
+
−"""
+
−Romanian specific form helpers.
+
−"""
+
−
+
−import re
+
−
+
−from django.forms import ValidationError, Field, RegexField, Select
+
−from django.forms.fields import EMPTY_VALUES
+
−from django.utils.translation import ugettext_lazy as _
+
−
+
−class ROCIFField(RegexField):
+
−    """
+
−    A Romanian fiscal identity code (CIF) field
+
−
+
−    For CIF validation algorithm see http://www.validari.ro/cui.html
+
−    """
+
−    default_error_messages = {
+
−        'invalid': _("Enter a valid CIF."),
+
−    }
+
−
+
−    def __init__(self, *args, **kwargs):
+
−        super(ROCIFField, self).__init__(r'^[0-9]{2,10}', max_length=10,
+
−                min_length=2, *args, **kwargs)
+
−
+
−    def clean(self, value):
+
−        """
+
−        CIF validation
+
−        """
+
−        value = super(ROCIFField, self).clean(value)
+
−        if value in EMPTY_VALUES:
+
−            return u''
+
−        # strip RO part
+
−        if value[0:2] == 'RO':
+
−            value = value[2:]
+
−        key = '753217532'[::-1]
+
−        value = value[::-1]
+
−        key_iter = iter(key)
+
−        checksum = 0
+
−        for digit in value[1:]:
+
−            checksum += int(digit) * int(key_iter.next())
+
−        checksum = checksum * 10 % 11
+
−        if checksum == 10:
+
−            checksum = 0
+
−        if checksum != int(value[0]):
+
−            raise ValidationError(self.error_messages['invalid'])
+
−        return value[::-1]
+
−
+
−class ROCNPField(RegexField):
+
−    """
+
−    A Romanian personal identity code (CNP) field
+
−
+
−    For CNP validation algorithm see http://www.validari.ro/cnp.html
+
−    """
+
−    default_error_messages = {
+
−        'invalid': _("Enter a valid CNP."),
+
−    }
+
−
+
−    def __init__(self, *args, **kwargs):
+
−        super(ROCNPField, self).__init__(r'^[1-9][0-9]{12}', max_length=13,
+
−            min_length=13, *args, **kwargs)
+
−
+
−    def clean(self, value):
+
−        """
+
−        CNP validations
+
−        """
+
−        value = super(ROCNPField, self).clean(value)
+
−        # check birthdate digits
+
−        import datetime
+
−        try:
+
−            datetime.date(int(value[1:3]),int(value[3:5]),int(value[5:7]))
+
−        except:
+
−            raise ValidationError(self.error_messages['invalid'])
+
−        # checksum
+
−        key = '279146358279'
+
−        checksum = 0
+
−        value_iter = iter(value)
+
−        for digit in key:
+
−            checksum += int(digit) * int(value_iter.next())
+
−        checksum %= 11
+
−        if checksum == 10:
+
−            checksum = 1
+
−        if checksum != int(value[12]):
+
−            raise ValidationError(self.error_messages['invalid'])
+
−        return value
+
−
+
−class ROCountyField(Field):
+
−    """
+
−    A form field that validates its input is a Romanian county name or
+
−    abbreviation. It normalizes the input to the standard vehicle registration
+
−    abbreviation for the given county
+
−
+
−    WARNING: This field will only accept names written with diacritics; consider
+
−    using ROCountySelect if this behavior is unnaceptable for you
+
−    Example:
+
−        Argeş => valid
+
−        Arges => invalid
+
−    """
+
−    default_error_messages = {
+
−        'invalid': u'Enter a Romanian county code or name.',
+
−    }
+
−
+
−    def clean(self, value):
+
−        from ro_counties import COUNTIES_CHOICES
+
−        super(ROCountyField, self).clean(value)
+
−        if value in EMPTY_VALUES:
+
−            return u''
+
−        try:
+
−            value = value.strip().upper()
+
−        except AttributeError:
+
−            pass
+
−        # search for county code
+
−        for entry in COUNTIES_CHOICES:
+
−            if value in entry:
+
−                return value
+
−        # search for county name
+
−        normalized_CC = []
+
−        for entry in COUNTIES_CHOICES:
+
−            normalized_CC.append((entry[0],entry[1].upper()))
+
−        for entry in normalized_CC:
+
−            if entry[1] == value:
+
−                return entry[0]
+
−        raise ValidationError(self.error_messages['invalid'])
+
−
+
−class ROCountySelect(Select):
+
−    """
+
−    A Select widget that uses a list of Romanian counties (judete) as its
+
−    choices.
+
−    """
+
−    def __init__(self, attrs=None):
+
−        from ro_counties import COUNTIES_CHOICES
+
−        super(ROCountySelect, self).__init__(attrs, choices=COUNTIES_CHOICES)
+
−
+
−class ROIBANField(RegexField):
+
−    """
+
−    Romanian International Bank Account Number (IBAN) field
+
−
+
−    For Romanian IBAN validation algorithm see http://validari.ro/iban.html
+
−    """
+
−    default_error_messages = {
+
−        'invalid': _('Enter a valid IBAN in ROXX-XXXX-XXXX-XXXX-XXXX-XXXX format'),
+
−    }
+
−
+
−    def __init__(self, *args, **kwargs):
+
−        super(ROIBANField, self).__init__(r'^[0-9A-Za-z\-\s]{24,40}$',
+
−                max_length=40, min_length=24, *args, **kwargs)
+
−
+
−    def clean(self, value):
+
−        """
+
−        Strips - and spaces, performs country code and checksum validation
+
−        """
+
−        value = super(ROIBANField, self).clean(value)
+
−        value = value.replace('-','')
+
−        value = value.replace(' ','')
+
−        value = value.upper()
+
−        if value[0:2] != 'RO':
+
−            raise ValidationError(self.error_messages['invalid'])
+
−        numeric_format = ''
+
−        for char in value[4:] + value[0:4]:
+
−            if char.isalpha():
+
−                numeric_format += str(ord(char) - 55)
+
−            else:
+
−                numeric_format += char
+
−        if int(numeric_format) % 97 != 1:
+
−            raise ValidationError(self.error_messages['invalid'])
+
−        return value
+
−
+
−class ROPhoneNumberField(RegexField):
+
−    """Romanian phone number field"""
+
−    default_error_messages = {
+
−        'invalid': _('Phone numbers must be in XXXX-XXXXXX format.'),
+
−    }
+
−
+
−    def __init__(self, *args, **kwargs):
+
−        super(ROPhoneNumberField, self).__init__(r'^[0-9\-\(\)\s]{10,20}$',
+
−                max_length=20, min_length=10, *args, **kwargs)
+
−
+
−    def clean(self, value):
+
−        """
+
−        Strips -, (, ) and spaces. Checks the final length.
+
−        """
+
−        value = super(ROPhoneNumberField, self).clean(value)
+
−        value = value.replace('-','')
+
−        value = value.replace('(','')
+
−        value = value.replace(')','')
+
−        value = value.replace(' ','')
+
−        if len(value) != 10:
+
−            raise ValidationError(self.error_messages['invalid'])
+
−        return value
+
−
+
−class ROPostalCodeField(RegexField):
+
−    """Romanian postal code field."""
+
−    default_error_messages = {
+
−        'invalid': _('Enter a valid postal code in the format XXXXXX'),
+
−    }
+
−
+
−    def __init__(self, *args, **kwargs):
+
−        super(ROPostalCodeField, self).__init__(r'^[0-9][0-8][0-9]{4}$',
+
−                max_length=6, min_length=6, *args, **kwargs)
+
−