Added missing files from [6202] - sorry.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6203 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/localflavor/ca/ca_provinces.py

@@ -0,0 +1,57 @@
+""" 
+An alphabetical list of provinces and territories for use as `choices` 
+in a formfield., and a mapping of province misspellings/abbreviations to 
+normalized abbreviations
+
+Source: http://www.canada.gc.ca/othergov/prov_e.html 
+
+This exists in this standalone file so that it's only imported into memory 
+when explicitly needed. 
+""" 
+
+PROVINCE_CHOICES = ( 
+    ('AB', 'Alberta'), 
+    ('BC', 'British Columbia'), 
+    ('MB', 'Manitoba'), 
+    ('NB', 'New Brunswick'), 
+    ('NF', 'Newfoundland and Labrador'), 
+    ('NT', 'Northwest Territories'), 
+    ('NS', 'Nova Scotia'), 
+    ('NU', 'Nunavut'), 
+    ('ON', 'Ontario'), 
+    ('PE', 'Prince Edward Island'), 
+    ('QC', 'Quebec'), 
+    ('SK', 'Saskatchewan'), 
+    ('YK', 'Yukon') 
+)
+
+PROVINCES_NORMALIZED = {
+    'ab': 'AB',
+    'alberta': 'AB',
+    'bc': 'BC',
+    'b.c.': 'BC',
+    'british columbia': 'BC',
+    'mb': 'MB',
+    'manitoba': 'MB',
+    'nf': 'NF',
+    'newfoundland': 'NF',
+    'newfoundland and labrador': 'NF',
+    'nt': 'NT',
+    'northwest territories': 'NT',
+    'ns': 'NS',
+    'nova scotia': 'NS',
+    'nu': 'NU',
+    'nunavut': 'NU',
+    'on': 'ON',
+    'ontario': 'ON',
+    'pe': 'PE',
+    'pei': 'PE',
+    'p.e.i.': 'PE',
+    'prince edward island': 'PE',
+    'qc': 'QC',
+    'quebec': 'QC',
+    'sk': 'SK',
+    'saskatchewan': 'SK',
+    'yk': 'YK',
+    'yukon': 'YK',
+}

django/contrib/localflavor/ca/forms.py

@@ -0,0 +1,112 @@
+""" 
+Canada-specific Form helpers 
+""" 
+ 
+from django.newforms import ValidationError 
+from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES 
+from django.newforms.util import smart_unicode 
+from django.utils.translation import gettext, ugettext
+import re 
+ 
+phone_digits_re = re.compile(r'^(?:1-?)?(\d{3})[-\.]?(\d{3})[-\.]?(\d{4})$')
+sin_re = re.compile(r"^(\d{3})-(\d{3})-(\d{3})$")
+ 
+class CAPostalCodeField(RegexField): 
+    """Canadian postal code field.""" 
+    def __init__(self, *args, **kwargs): 
+        super(CAPostalCodeField, self).__init__(r'^[ABCEGHJKLMNPRSTVXYZ]\d[A-Z] \d[A-Z]\d$', 
+            max_length=None, min_length=None, 
+            error_message=gettext(u'Enter a postal code in the format XXX XXX.'), 
+            *args, **kwargs) 
+ 
+class CAPhoneNumberField(Field): 
+    """Canadian phone number field.""" 
+    def clean(self, value): 
+        """Validate a phone number. 
+        """ 
+        super(CAPhoneNumberField, self).clean(value) 
+        if value in EMPTY_VALUES:
+            return u''
+        value = re.sub('(\(|\)|\s+)', '', smart_unicode(value))
+        m = phone_digits_re.search(value)
+        if m:
+            return u'%s-%s-%s' % (m.group(1), m.group(2), m.group(3))
+        raise ValidationError(u'Phone numbers must be in XXX-XXX-XXXX format.') 
+
+class CAProvinceField(Field):
+    """
+    A form field that validates its input is a Canadian province name or abbreviation.
+    It normalizes the input to the standard two-leter postal service
+    abbreviation for the given province.
+    """
+    def clean(self, value):
+        from ca_provinces import PROVINCES_NORMALIZED
+        super(CAProvinceField, self).clean(value)
+        if value in EMPTY_VALUES:
+            return u''
+        try:
+            value = value.strip().lower()
+        except AttributeError:
+            pass
+        else:
+            try:
+                return PROVINCES_NORMALIZED[value.strip().lower()].decode('ascii')
+            except KeyError:
+                pass
+        raise ValidationError(u'Enter a Canadian province or territory.')
+ 
+class CAProvinceSelect(Select): 
+    """ 
+    A Select widget that uses a list of Canadian provinces and 
+    territories as its choices. 
+    """ 
+    def __init__(self, attrs=None): 
+        from ca_provinces import PROVINCE_CHOICES # relative import 
+        super(CAProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)
+            
+class CASocialInsuranceNumberField(Field):
+    """
+    A Canadian Social Insurance Number (SIN).
+
+    Checks the following rules to determine whether the number is valid:
+
+        * Conforms to the XXX-XXX-XXXX format.
+        * Passes the check digit process "Luhn Algorithm"
+             See: http://en.wikipedia.org/wiki/Social_Insurance_Number
+    """
+    def clean(self, value):
+        super(CASocialInsuranceNumberField, self).clean(value)
+        if value in EMPTY_VALUES:
+            return u''
+        msg = ugettext('Enter a valid Canadian Social Insurance number in XXX-XXX-XXXX format.')
+        match = re.match(sin_re, value)
+        if not match:
+            raise ValidationError(msg)
+            
+        number = u'%s-%s-%s' % (match.group(1), match.group(2), match.group(3))    
+        check_number = u'%s%s%s' % (match.group(1), match.group(2), match.group(3))
+        if not self.luhn_checksum_is_valid(check_number):
+            raise ValidationError(msg)
+        return number
+        
+    def luhn_checksum_is_valid(self, number):
+        """
+        Checks to make sure that the SIN passes a luhn mod-10 checksum 
+        See: http://en.wikipedia.org/wiki/Luhn_algorithm
+        """
+
+        sum = 0
+        num_digits = len(number)
+        oddeven = num_digits & 1
+
+        for count in range(0, num_digits):
+            digit = int(number[count])
+
+            if not (( count & 1 ) ^ oddeven ):
+                digit = digit * 2
+            if digit > 9:
+                digit = digit - 9
+
+            sum = sum + digit
+
+        return ( (sum % 10) == 0 )