Fixed #3866 -- Added Italian Social Security and VAT input fields to localflavor. Thanks, Massimiliano Ravelli.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@5018 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Russell Keith-Magee
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AUTHORS
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AUTHORS
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@ -174,6 +174,7 @@ answer newbie questions, and generally made Django that much better:
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J. Rademaker
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Michael Radziej <mir@noris.de>
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ramiro
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Massimiliano Ravelli <massimiliano.ravelli@gmail.com>
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Brian Ray <http://brianray.chipy.org/>
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remco@diji.biz
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rhettg@gmail.com
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@ -5,13 +5,15 @@ IT-specific Form helpers
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from django.newforms import ValidationError
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from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
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from django.utils.translation import gettext
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from django.utils.encoding import smart_unicode
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from django.contrib.localflavor.it.util import ssn_check_digit, vat_number_check_digit
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import re
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class ITZipCodeField(RegexField):
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def __init__(self, *args, **kwargs):
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super(ITZipCodeField, self).__init__(r'^\d{5}$',
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max_length=None, min_length=None,
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error_message=gettext(u'Enter a zip code in the format XXXXX.'),
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error_message=gettext(u'Enter a valid zip code.'),
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*args, **kwargs)
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class ITRegionSelect(Select):
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@ -29,3 +31,47 @@ class ITProvinceSelect(Select):
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def __init__(self, attrs=None):
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from it_province import PROVINCE_CHOICES # relative import
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super(ITProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)
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class ITSocialSecurityNumberField(RegexField):
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"""
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A form field that validates Italian Social Security numbers (codice fiscale).
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For reference see http://www.agenziaentrate.it/ and search for
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'Informazioni sulla codificazione delle persone fisiche'.
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"""
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err_msg = gettext(u'Enter a valid Social Security number.')
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def __init__(self, *args, **kwargs):
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super(ITSocialSecurityNumberField, self).__init__(r'^\w{3}\s*\w{3}\s*\w{5}\s*\w{5}$',
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max_length=None, min_length=None, error_message=self.err_msg,
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*args, **kwargs)
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def clean(self, value):
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value = super(ITSocialSecurityNumberField, self).clean(value)
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if value == u'':
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return value
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value = re.sub('\s', u'', value).upper()
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try:
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check_digit = ssn_check_digit(value)
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except ValueError:
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raise ValidationError(self.err_msg)
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if not value[15] == check_digit:
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raise ValidationError(self.err_msg)
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return value
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class ITVatNumberField(Field):
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"""
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A form field that validates Italian VAT numbers (partita IVA).
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"""
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def clean(self, value):
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value = super(ITVatNumberField, self).clean(value)
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if value == u'':
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return value
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err_msg = gettext(u'Enter a valid VAT number.')
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try:
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vat_number = int(value)
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except ValueError:
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raise ValidationError(err_msg)
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vat_number = str(vat_number).zfill(11)
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check_digit = vat_number_check_digit(vat_number[0:10])
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if not vat_number[10] == check_digit:
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raise ValidationError(err_msg)
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return smart_unicode(vat_number)
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@ -0,0 +1,40 @@
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def ssn_check_digit(value):
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"Calculate Italian social security number check digit."
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ssn_even_chars = {
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'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9,
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'A': 0, 'B': 1, 'C': 2, 'D': 3, 'E': 4, 'F': 5, 'G': 6, 'H': 7, 'I': 8, 'J': 9,
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'K': 10, 'L': 11, 'M': 12, 'N': 13, 'O': 14, 'P': 15, 'Q': 16, 'R': 17, 'S': 18,
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'T': 19, 'U': 20, 'V': 21, 'W': 22, 'X': 23, 'Y': 24, 'Z': 25
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}
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ssn_odd_chars = {
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'0': 1, '1': 0, '2': 5, '3': 7, '4': 9, '5': 13, '6': 15, '7': 17, '8': 19, '9': 21,
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'A': 1, 'B': 0, 'C': 5, 'D': 7, 'E': 9, 'F': 13, 'G': 15, 'H': 17, 'I': 19, 'J': 21,
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'K': 2, 'L': 4, 'M': 18, 'N': 20, 'O': 11, 'P': 3, 'Q': 6, 'R': 8, 'S': 12,
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'T': 14, 'U': 16, 'V': 10, 'W': 22, 'X': 25, 'Y': 24, 'Z': 23
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}
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# Chars from 'A' to 'Z'
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ssn_check_digits = [chr(x) for x in range(65, 91)]
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ssn = value.upper()
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total = 0
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for i in range(0,15):
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try:
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if i % 2 == 0:
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total += ssn_odd_chars[ssn[i]]
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else:
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total += ssn_even_chars[ssn[i]]
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except KeyError:
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msg = "Character '%(char)s' is not allowed." % {'char': ssn[i]}
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raise ValueError(msg)
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return ssn_check_digits[total % 26]
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def vat_number_check_digit(vat_number):
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"Calculate Italian VAT number check digit."
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normalized_vat_number = str(vat_number).zfill(10)
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total = 0
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for i in range(0, 10, 2):
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total += int(normalized_vat_number[i])
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for i in range(1, 11, 2):
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quotient , remainder = divmod(int(normalized_vat_number[i]) * 2, 10)
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total += quotient + remainder
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return str((10 - total % 10) % 10)
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@ -633,7 +633,7 @@ u'00100'
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>>> f.clean(' 00100')
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Traceback (most recent call last):
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...
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ValidationError: [u'Enter a zip code in the format XXXXX.']
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ValidationError: [u'Enter a valid zip code.']
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# ITRegionSelect #############################################################
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@ -642,6 +642,46 @@ ValidationError: [u'Enter a zip code in the format XXXXX.']
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>>> w.render('regions', 'PMN')
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u'<select name="regions">\n<option value="ABR">Abruzzo</option>\n<option value="BAS">Basilicata</option>\n<option value="CAL">Calabria</option>\n<option value="CAM">Campania</option>\n<option value="EMR">Emilia-Romagna</option>\n<option value="FVG">Friuli-Venezia Giulia</option>\n<option value="LAZ">Lazio</option>\n<option value="LIG">Liguria</option>\n<option value="LOM">Lombardia</option>\n<option value="MAR">Marche</option>\n<option value="MOL">Molise</option>\n<option value="PMN" selected="selected">Piemonte</option>\n<option value="PUG">Puglia</option>\n<option value="SAR">Sardegna</option>\n<option value="SIC">Sicilia</option>\n<option value="TOS">Toscana</option>\n<option value="TAA">Trentino-Alto Adige</option>\n<option value="UMB">Umbria</option>\n<option value="VAO">Valle d\u2019Aosta</option>\n<option value="VEN">Veneto</option>\n</select>'
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# ITSocialSecurityNumberField #################################################
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>>> from django.contrib.localflavor.it.forms import ITSocialSecurityNumberField
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>>> f = ITSocialSecurityNumberField()
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>>> f.clean('LVSGDU99T71H501L')
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u'LVSGDU99T71H501L'
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>>> f.clean('LBRRME11A01L736W')
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u'LBRRME11A01L736W'
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>>> f.clean('lbrrme11a01l736w')
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u'LBRRME11A01L736W'
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>>> f.clean('LBR RME 11A01 L736W')
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u'LBRRME11A01L736W'
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>>> f.clean('LBRRME11A01L736A')
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Traceback (most recent call last):
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...
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ValidationError: [u'Enter a valid Social Security number.']
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>>> f.clean('%BRRME11A01L736W')
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Traceback (most recent call last):
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...
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ValidationError: [u'Enter a valid Social Security number.']
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# ITVatNumberField ###########################################################
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>>> from django.contrib.localflavor.it.forms import ITVatNumberField
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>>> f = ITVatNumberField()
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>>> f.clean('07973780013')
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u'07973780013'
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>>> f.clean('7973780013')
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u'07973780013'
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>>> f.clean(7973780013)
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u'07973780013'
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>>> f.clean('07973780014')
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Traceback (most recent call last):
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...
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ValidationError: [u'Enter a valid VAT number.']
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>>> f.clean('A7973780013')
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Traceback (most recent call last):
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...
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ValidationError: [u'Enter a valid VAT number.']
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# FIZipCodeField #############################################################
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FIZipCodeField validates that the data is a valid FI zipcode.
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