Replace common module with validate module. Move validation function from feed module to validate module and remove feed.py. Correct any usage of validation functions from common and feed modules into validate module.
Patch by: Pawel Solyga
Review by: to-be-reviewed
"""
IT-specific Form helpers
"""
from django.newforms import ValidationError
from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
from django.utils.translation import ugettext
from django.utils.encoding import smart_unicode
from django.contrib.localflavor.it.util import ssn_check_digit, vat_number_check_digit
import re
class ITZipCodeField(RegexField):
default_error_messages = {
'invalid': ugettext('Enter a valid zip code.'),
}
def __init__(self, *args, **kwargs):
super(ITZipCodeField, self).__init__(r'^\d{5}$',
max_length=None, min_length=None, *args, **kwargs)
class ITRegionSelect(Select):
"""
A Select widget that uses a list of IT regions as its choices.
"""
def __init__(self, attrs=None):
from it_region import REGION_CHOICES
super(ITRegionSelect, self).__init__(attrs, choices=REGION_CHOICES)
class ITProvinceSelect(Select):
"""
A Select widget that uses a list of IT regions as its choices.
"""
def __init__(self, attrs=None):
from it_province import PROVINCE_CHOICES
super(ITProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)
class ITSocialSecurityNumberField(RegexField):
"""
A form field that validates Italian Social Security numbers (codice fiscale).
For reference see http://www.agenziaentrate.it/ and search for
'Informazioni sulla codificazione delle persone fisiche'.
"""
default_error_messages = {
'invalid': ugettext(u'Enter a valid Social Security number.'),
}
def __init__(self, *args, **kwargs):
super(ITSocialSecurityNumberField, self).__init__(r'^\w{3}\s*\w{3}\s*\w{5}\s*\w{5}$',
max_length=None, min_length=None, *args, **kwargs)
def clean(self, value):
value = super(ITSocialSecurityNumberField, self).clean(value)
if value == u'':
return value
value = re.sub('\s', u'', value).upper()
try:
check_digit = ssn_check_digit(value)
except ValueError:
raise ValidationError(self.error_messages['invalid'])
if not value[15] == check_digit:
raise ValidationError(self.error_messages['invalid'])
return value
class ITVatNumberField(Field):
"""
A form field that validates Italian VAT numbers (partita IVA).
"""
default_error_messages = {
'invalid': ugettext(u'Enter a valid VAT number.'),
}
def clean(self, value):
value = super(ITVatNumberField, self).clean(value)
if value == u'':
return value
try:
vat_number = int(value)
except ValueError:
raise ValidationError(self.error_messages['invalid'])
vat_number = str(vat_number).zfill(11)
check_digit = vat_number_check_digit(vat_number[0:10])
if not vat_number[10] == check_digit:
raise ValidationError(self.error_messages['invalid'])
return smart_unicode(vat_number)