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# -*- coding: utf-8 -*- |
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""" |
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PE-specific Form helpers. |
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""" |
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from django.core.validators import EMPTY_VALUES |
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from django.forms import ValidationError |
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from django.forms.fields import RegexField, CharField, Select |
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from django.utils.translation import ugettext_lazy as _ |
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class PERegionSelect(Select): |
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""" |
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A Select widget that uses a list of Peruvian Regions as its choices. |
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""" |
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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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""" |
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A field that validates `Documento Nacional de IdentidadŽ (DNI) numbers. |
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""" |
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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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} |
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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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**kwargs) |
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def clean(self, value): |
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""" |
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Value must be a string in the XXXXXXXX formats. |
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""" |
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value = super(PEDNIField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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if not value.isdigit(): |
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raise ValidationError(self.error_messages['invalid']) |
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if len(value) != 8: |
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raise ValidationError(self.error_messages['max_digits']) |
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return value |
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class PERUCField(RegexField): |
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""" |
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This field validates a RUC (Registro Unico de Contribuyentes). A RUC is of |
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the form XXXXXXXXXXX. |
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""" |
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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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} |
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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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**kwargs) |
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def clean(self, value): |
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""" |
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Value must be an 11-digit number. |
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""" |
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value = super(PERUCField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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if not value.isdigit(): |
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raise ValidationError(self.error_messages['invalid']) |
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if len(value) != 11: |
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raise ValidationError(self.error_messages['max_digits']) |
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return value |
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