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# -*- coding: utf-8 -*-
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PE-specific Form helpers.
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from django.forms import ValidationError
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from django.forms.fields import RegexField, CharField, Select, EMPTY_VALUES
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from django.utils.translation import ugettext_lazy as _
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class PERegionSelect(Select):
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A Select widget that uses a list of Peruvian Regions as its choices.
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def __init__(self, attrs=None):
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from pe_region import REGION_CHOICES
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super(PERegionSelect, self).__init__(attrs, choices=REGION_CHOICES)
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class PEDNIField(CharField):
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A field that validates `Documento Nacional de IdentidadŽ (DNI) numbers.
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default_error_messages = {
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'invalid': _("This field requires only numbers."),
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'max_digits': _("This field requires 8 digits."),
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def __init__(self, *args, **kwargs):
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super(PEDNIField, self).__init__(max_length=8, min_length=8, *args,
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def clean(self, value):
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Value must be a string in the XXXXXXXX formats.
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value = super(PEDNIField, self).clean(value)
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if value in EMPTY_VALUES:
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if not value.isdigit():
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raise ValidationError(self.error_messages['invalid'])
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raise ValidationError(self.error_messages['max_digits'])
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class PERUCField(RegexField):
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This field validates a RUC (Registro Unico de Contribuyentes). A RUC is of
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default_error_messages = {
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'invalid': _("This field requires only numbers."),
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'max_digits': _("This field requires 11 digits."),
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def __init__(self, *args, **kwargs):
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super(PERUCField, self).__init__(max_length=11, min_length=11, *args,
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def clean(self, value):
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Value must be an 11-digit number.
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value = super(PERUCField, self).clean(value)
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if value in EMPTY_VALUES:
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if not value.isdigit():
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raise ValidationError(self.error_messages['invalid'])
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raise ValidationError(self.error_messages['max_digits'])