Fixed #5200 -- Added Polish localflavor. Thanks, Slawek Mikula.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@5936 bcc190cf-cafb-0310-a4f2-bffc1f526a37

AUTHORS

@@ -196,6 +196,7 @@ answer newbie questions, and generally made Django that much better:
     mccutchen@gmail.com
     michael.mcewan@gmail.com
     mikko@sorl.net
+    Slawek Mikula <slawek dot mikula at gmail dot com>
     mitakummaa@gmail.com
     mmarshall
     Andreas Mock <andreas.mock@web.de>

django/contrib/localflavor/pl/forms.py

+"""
+Polish-specific form helpers
+"""
+
+from django.newforms import ValidationError
+from django.newforms.fields import Select, RegexField
+from django.utils.translation import ugettext as _
+
+class PLVoivodeshipSelect(Select):
+    """
+    A select widget with list of Polish voivodeships (administrative provinces)
+    as choices.
+    """
+    def __init__(self, attrs=None):
+        from pl_voivodeships import VOIVODESHIP_CHOICES
+        super(PLVoivodeshipSelect, self).__init__(attrs, choices=VOIVODESHIP_CHOICES)
+
+class PLAdministrativeUnitSelect(Select):
+    """
+    A select widget with list of Polish administrative units as choices.
+    """
+    def __init__(self, attrs=None):
+        from pl_administrativeunits import ADMINISTRATIVE_UNIT_CHOICES
+        super(PLAdministrativeUnitSelect, self).__init__(attrs, choices=ADMINISTRATIVE_UNIT_CHOICES)
+
+class PLNationalIdentificationNumberField(RegexField):
+    """
+    A form field that validates as Polish Identification Number (PESEL).
+
+    Checks the following rules:
+        * the length consist of 11 digits
+        * has a valid checksum
+
+    The algorithm is documented at http://en.wikipedia.org/wiki/PESEL.
+    """
+
+    def has_valid_checksum(self, number):
+        """
+        Calculates a checksum with the provided algorithm.
+        """
+        multiple_table = (1, 3, 7, 9, 1, 3, 7, 9, 1, 3, 1)
+        result = 0
+        for i in range(len(number)):
+            result += int(number[i])*multiple_table[i]
+
+        if result % 10 == 0:
+            return True
+        else:
+            return False
+
+    def __init__(self, *args, **kwargs):
+        super(PLNationalIdentificationNumberField, self).__init__(r'^\d{11}$',
+            max_length=None, min_length=None, error_message=_(u'National Identification Number consists of 11 digits.'),
+            *args, **kwargs)
+
+    def clean(self,value):
+        super(PLNationalIdentificationNumberField, self).clean(value)
+        if not self.has_valid_checksum(value):
+            raise ValidationError(_(u'Wrong checksum for the National Identification Number.'))
+        return u'%s' % value
+
+
+class PLTaxNumberField(RegexField):
+    """
+    A form field that validates as Polish Tax Number (NIP).
+    Valid forms are: XXX-XXX-YY-YY or XX-XX-YYY-YYY.
+    """
+    def __init__(self, *args, **kwargs):
+        super(PLTaxNumberField, self).__init__(r'^\d{3}-\d{3}-\d{2}-\d{2}$|^\d{2}-\d{2}-\d{3}-\d{3}$',
+            max_length=None, min_length=None,
+            error_message=_(u'Enter a tax number field (NIP) in the format XXX-XXX-XX-XX or XX-XX-XXX-XXX.'),  *args, **kwargs)
+
+
+class PLPostalCodeField(RegexField):
+    """
+    A form field that validates as Polish postal code.
+    Valid code is XX-XXX where X is digit.
+    """
+    def __init__(self, *args, **kwargs):
+        super(PLPostalCodeField, self).__init__(r'^\d{2}-\d{3}$',
+            max_length=None, min_length=None,
+            error_message=_(u'Enter a postal code in the format XX-XXX.'),
+            *args, **kwargs)
+

django/contrib/localflavor/pl/pl_voivodeships.py

+"""
+Polish voivodeship as in http://en.wikipedia.org/wiki/Poland#Administrative_division
+"""
+
+from django.utils.translation import ugettext_lazy as _
+
+VOIVODESHIP_CHOICES = (
+    ('lower_silesia', _('Lower Silesia')),
+    ('kuyavia-pomerania', _('Kuyavia-Pomerania')),
+    ('lublin', _('Lublin')),
+    ('lubusz', _('Lubusz')),
+    ('lodz', _('Lodz')),
+    ('lesser_poland', _('Lesser Poland')),
+    ('masovia', _('Masovia')),
+    ('opole', _('Opole')),
+    ('subcarpatia', _('Subcarpatia')),
+    ('podlasie', _('Podlasie')),
+    ('pomerania', _('Pomerania')),
+    ('silesia', _('Silesia')),
+    ('swietokrzyskie', _('Swietokrzyskie')),
+    ('warmia-masuria', _('Warmia-Masuria')),
+    ('greater_poland', _('Greater Poland')),
+    ('west_pomerania', _('West Pomerania')),
+)