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65 lines
2.2 KiB
65 lines
2.2 KiB
""" |
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AT-specific Form helpers |
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""" |
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import re |
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from django.utils.translation import ugettext_lazy as _ |
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from django.forms.fields import Field, RegexField, Select |
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from django.forms import ValidationError |
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re_ssn = re.compile(r'^\d{4} \d{6}') |
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class ATZipCodeField(RegexField): |
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""" |
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A form field that validates its input is an Austrian postcode. |
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Accepts 4 digits. |
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""" |
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default_error_messages = { |
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'invalid': _('Enter a zip code in the format XXXX.'), |
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} |
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def __init__(self, *args, **kwargs): |
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super(ATZipCodeField, self).__init__(r'^\d{4}$', |
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max_length=None, min_length=None, *args, **kwargs) |
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class ATStateSelect(Select): |
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""" |
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A Select widget that uses a list of AT states as its choices. |
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""" |
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def __init__(self, attrs=None): |
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from django.contrib.localflavor.at.at_states import STATE_CHOICES |
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super(ATStateSelect, self).__init__(attrs, choices=STATE_CHOICES) |
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class ATSocialSecurityNumberField(Field): |
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""" |
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Austrian Social Security numbers are composed of a 4 digits and 6 digits |
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field. The latter represents in most cases the person's birthdate while |
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the first 4 digits represent a 3-digits counter and a one-digit checksum. |
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The 6-digits field can also differ from the person's birthdate if the |
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3-digits counter suffered an overflow. |
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This code is based on information available on |
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http://de.wikipedia.org/wiki/Sozialversicherungsnummer#.C3.96sterreich |
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""" |
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default_error_messages = { |
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'invalid': _(u'Enter a valid Austrian Social Security Number in XXXX XXXXXX format.'), |
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} |
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def clean(self, value): |
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if not re_ssn.search(value): |
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raise ValidationError(self.error_messages['invalid']) |
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sqnr, date = value.split(" ") |
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sqnr, check = (sqnr[:3], (sqnr[3])) |
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if int(sqnr) < 100: |
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raise ValidationError(self.error_messages['invalid']) |
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res = int(sqnr[0])*3 + int(sqnr[1])*7 + int(sqnr[2])*9 \ |
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+ int(date[0])*5 + int(date[1])*8 + int(date[2])*4 \ |
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+ int(date[3])*2 + int(date[4])*1 + int(date[5])*6 |
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res = res % 11 |
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if res != int(check): |
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raise ValidationError(self.error_messages['invalid']) |
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return u'%s%s %s'%(sqnr, check, date,) |
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