Commit b2a43776 authored by Russell Keith-Magee's avatar Russell Keith-Magee
Browse files

Fixed #9066 -- Added Czech localflavor. Thanks to Elvard for the contribution. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9876 bcc190cf-cafb-0310-a4f2-bffc1f526a37
parent 0c2a5ebe

django/contrib/localflavor/cz/__init__.py

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Empty file added.

django/contrib/localflavor/cz/cz_regions.py

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"""

Czech regions, translations get from http://www.crwflags.com/fotw/Flags/cz-re.html

"""



from django.utils.translation import ugettext_lazy as _



REGION_CHOICES = (

    ('PR', _('Prague')),

    ('CE', _('Cenral Bohemian Region')),

    ('SO', _('South Bohemian Region')),

    ('PI', _('Pilsen Region')),

    ('CA', _('Carlsbad Region')),

    ('US', _('Usti Region')),

    ('LB', _('Liberec Region')),

    ('HK', _('Hradec Region')),

    ('PA', _('Pardubice Region')),

    ('VY', _('Vysocina Region')),

    ('SM', _('South Moravian Region')),

    ('OL', _('Olomouc Region')),

    ('ZL', _('Zlin Region')),

    ('MS', _('Moravian-Silesian Region')),

)

django/contrib/localflavor/cz/forms.py

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"""

Czech-specific form helpers

"""



from django.forms import ValidationError

from django.forms.fields import Select, RegexField, Field, EMPTY_VALUES

from django.utils.translation import ugettext_lazy as _

import re



birth_number = re.compile(r'^(?P<birth>\d{6})/?(?P<id>\d{3,4})$')

ic_number = re.compile(r'^(?P<number>\d{7})(?P<check>\d)$')



class CZRegionSelect(Select):

    """

    A select widget widget with list of Czech regions as choices.

    """

    def __init__(self, attrs=None):

        from cz_regions import REGION_CHOICES

        super(CZRegionSelect, self).__init__(attrs, choices=REGION_CHOICES)



class CZPostalCodeField(RegexField):

    """

    A form field that validates its input as Czech postal code.

    Valid form is XXXXX or XXX XX, where X represents integer.

    """

    default_error_messages = {

        'invalid': _(u'Enter a postal code in the format XXXXX or XXX XX.'),

    }



    def __init__(self, *args, **kwargs):

        super(CZPostalCodeField, self).__init__(r'^\d{5}$|^\d{3} \d{2}$',

            max_length=None, min_length=None, *args, **kwargs)



    def clean(self, value):

        """

        Validates the input and returns a string that contains only numbers.

        Returns an empty string for empty values.

        """

        v = super(CZPostalCodeField, self).clean(value)

        return v.replace(' ', '')



class CZBirthNumberField(Field):

    """

    Czech birth number field.

    """

    default_error_messages = {

        'invalid_format': _(u'Enter a birth number in the format XXXXXX/XXXX or XXXXXXXXXX.'),

        'invalid_gender': _(u'Invalid optional parameter Gender, valid values are \'f\' and \'m\''),

        'invalid': _(u'Enter a valid birth number.'),

    }



    def clean(self, value, gender=None):

        super(CZBirthNumberField, self).__init__(value)



        if value in EMPTY_VALUES:

            return u''



        match = re.match(birth_number, value)

        if not match:

            raise ValidationError(self.error_messages['invalid_format'])



        birth, id = match.groupdict()['birth'], match.groupdict()['id']



        # Three digits for verificatin number were used until 1. january 1954

        if len(id) == 3:

            return u'%s' % value



        # Birth number is in format YYMMDD. Females have month value raised by 50.

        # In case that all possible number are already used (for given date),

        #  the month field is raised by 20.

        if gender is not None:

            if gender == 'f':

                female_const = 50

            elif gender == 'm':

                female_const = 0

            else:

                raise ValidationError(self.error_messages['invalid_gender'])



            month = int(birth[2:4]) - female_const

            if (not 1 <= month <= 12):

                if (not 1 <= (month - 20) <= 12):

                    raise ValidationError(self.error_messages['invalid'])



        day = int(birth[4:6])

        if not (1 <= day <= 31):

            raise ValidationError(self.error_messages['invalid'])



        # Fourth digit has been added since 1. January 1954.

        # It is modulo of dividing birth number and verification number by 11.

        # If the modulo were 10, the last number was 0 (and therefore, the whole

        # birth number wasn't divisable by 11. These number are no longer used (since 1985)

        # and the condition 'modulo == 10' can be removed in 2085.



        modulo = int(birth + id[:3]) % 11



        if (modulo == int(id[-1])) or (modulo == 10 and id[-1] == '0'):

            return u'%s' % value

        else:

            raise ValidationError(self.error_messages['invalid'])



class CZICNumberField(Field):

    """

    Czech IC number field.

    """

    default_error_messages = {

        'invalid': _(u'Enter a valid IC number.'),

    }



    def clean(self, value):

        super(CZICNumberField, self).__init__(value)



        if value in EMPTY_VALUES:

            return u''



        match = re.match(ic_number, value)

        if not match:

            raise ValidationError(self.error_messages['invalid'])



        number, check = match.groupdict()['number'], int(match.groupdict()['check'])



        sum = 0

        weight = 8

        for digit in number:

            sum += int(digit)*weight

            weight -= 1



        remainder = sum % 11



        # remainder is equal:

        #  0 or 10: last digit is 1

        #  1: last digit is 0

        # in other case, last digin is 11 - remainder



        if (not remainder % 10 and check == 1) or \

        (remainder == 1 and check == 0) or \

        (check == (11 - remainder)):

            return u'%s' % value



        raise ValidationError(self.error_messages['invalid'])

docs/ref/contrib/localflavor.txt

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@@ -44,6 +44,7 @@ Countries currently supported by :mod:`~django.contrib.localflavor` are: 
    * Brazil_

    * Canada_

    * Chile_

    * Czech_

    * Finland_

    * France_

    * Germany_
@@ -83,6 +84,7 @@ Here's an example of how to use them:: 
.. _Brazil: `Brazil (br)`_

.. _Canada: `Canada (ca)`_

.. _Chile: `Chile (cl)`_

.. _Czech: `Czech (cz)`_

.. _Finland: `Finland (fi)`_

.. _France: `France (fr)`_

.. _Germany: `Germany (de)`_
@@ -231,6 +233,27 @@ Chile (``cl``) 
    A ``Select`` widget that uses a list of Chilean regions (Regiones) as its

    choices.



Czech (``cz``)

==============



.. class:: cz.forms.CZPostalCodeField



    A form field that validates input as a Czech postal code. Valid formats

    are XXXXX or XXX XX, where X is a digit.



.. class:: cz.forms.CZBirthNumberField



    A form field that validates input as a Czech Birth Number.

    A valid number must be in format XXXXXX/XXXX (slash is optional).



.. class:: cz.forms.CZICNumberField



    A form field that validates input as a Czech IC number field.



.. class:: cz.forms.CZRegionSelect



    A ``Select`` widget that uses a list of Czech regions as its choices.



Finland (``fi``)

================

tests/regressiontests/forms/localflavor/cz.py

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# -*- coding: utf-8 -*-

# Tests for the contrib/localflavor/ CZ Form Fields



tests = r"""

# CZPostalCodeField #########################################################



>>> from django.contrib.localflavor.cz.forms import CZPostalCodeField

>>> f = CZPostalCodeField()

>>> f.clean('84545x')

Traceback (most recent call last):

...

ValidationError: [u'Enter a postal code in the format XXXXX or XXX XX.']

>>> f.clean('91909')

u'91909'

>>> f.clean('917 01')

u'91701'

>>> f.clean('12345')

u'12345'

>>> f.clean('123456')

Traceback (most recent call last):

...

ValidationError: [u'Enter a postal code in the format XXXXX or XXX XX.']

>>> f.clean('1234')

Traceback (most recent call last):

...

ValidationError: [u'Enter a postal code in the format XXXXX or XXX XX.']

>>> f.clean('123 4')

Traceback (most recent call last):

...

ValidationError: [u'Enter a postal code in the format XXXXX or XXX XX.']



# CZRegionSelect ############################################################



>>> from django.contrib.localflavor.cz.forms import CZRegionSelect

>>> w = CZRegionSelect()

>>> w.render('regions', 'TT')

u'<select name="regions">\n<option value="PR">Prague</option>\n<option value="CE">Cenral Bohemian Region</option>\n<option value="SO">South Bohemian Region</option>\n<option value="PI">Pilsen Region</option>\n<option value="CA">Carlsbad Region</option>\n<option value="US">Usti Region</option>\n<option value="LB">Liberec Region</option>\n<option value="HK">Hradec Region</option>\n<option value="PA">Pardubice Region</option>\n<option value="VY">Vysocina Region</option>\n<option value="SM">South Moravian Region</option>\n<option value="OL">Olomouc Region</option>\n<option value="ZL">Zlin Region</option>\n<option value="MS">Moravian-Silesian Region</option>\n</select>'



# CZBirthNumberField ########################################################



>>> from django.contrib.localflavor.cz.forms import CZBirthNumberField

>>> f = CZBirthNumberField()

>>> f.clean('880523/1237')

u'880523/1237'

>>> f.clean('8805231237')

u'8805231237'

>>> f.clean('880523/000')

u'880523/000'

>>> f.clean('880523000')

u'880523000'

>>> f.clean('882101/0011')

u'882101/0011'

>>> f.clean('880523/1237', 'm')

u'880523/1237'

>>> f.clean('885523/1231', 'f')

u'885523/1231'

>>> f.clean('123456/12')

Traceback (most recent call last):

...

ValidationError: [u'Enter a birth number in the format XXXXXX/XXXX or XXXXXXXXXX.']

>>> f.clean('123456/12345')

Traceback (most recent call last):

...

ValidationError: [u'Enter a birth number in the format XXXXXX/XXXX or XXXXXXXXXX.']

>>> f.clean('12345612')

Traceback (most recent call last):

...

ValidationError: [u'Enter a birth number in the format XXXXXX/XXXX or XXXXXXXXXX.']

>>> f.clean('12345612345')

Traceback (most recent call last):

...

ValidationError: [u'Enter a birth number in the format XXXXXX/XXXX or XXXXXXXXXX.']

>>> f.clean('881523/0000', 'm')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid birth number.']

>>> f.clean('885223/0000', 'm')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid birth number.']

>>> f.clean('881223/0000', 'f')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid birth number.']

>>> f.clean('886523/0000', 'f')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid birth number.']

>>> f.clean('880523/1239')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid birth number.']

>>> f.clean('8805231239')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid birth number.']

>>> f.clean('990101/0011')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid birth number.']



# CZICNumberField ########################################################



>>> from django.contrib.localflavor.cz.forms import CZICNumberField

>>> f = CZICNumberField()

>>> f.clean('12345679')

u'12345679'

>>> f.clean('12345601')

u'12345601'

>>> f.clean('12345661')

u'12345661'

>>> f.clean('12345610')

u'12345610'

>>> f.clean('1234567')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid IC number.']

>>> f.clean('12345660')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid IC number.']

>>> f.clean('12345600')

Traceback (most recent call last):

...

ValidationError: [u'Enter a valid IC number.']

"""