Source code for localflavor.uy.forms
"""UY-specific form helpers."""
from django.forms import ValidationError
from django.forms.fields import RegexField, Select
from django.utils.translation import gettext_lazy as _
from .util import get_validation_digit
[docs]class UYDepartmentSelect(Select):
"""A Select widget that uses a list of Uruguayan departments as its choices."""
def __init__(self, attrs=None):
from .uy_departments import DEPARTMENT_CHOICES
super().__init__(attrs, choices=DEPARTMENT_CHOICES)
[docs]class UYCIField(RegexField):
"""A field that validates Uruguayan 'Cedula de identidad' (CI) numbers."""
default_error_messages = {
'invalid': _("Enter a valid CI number in X.XXX.XXX-X,"
"XXXXXXX-X or XXXXXXXX format."),
'invalid_validation_digit': _("Enter a valid CI number."),
}
def __init__(self, **kwargs):
super().__init__(r'(?P<num>(\d{6,7}|(\d\.)?\d{3}\.\d{3}))-?(?P<val>\d)', **kwargs)
[docs] def clean(self, value):
"""
Validates format and validation digit.
The official format is [X.]XXX.XXX-X but usually dots and/or slash are
omitted so, when validating, those characters are ignored if found in
the correct place. The three typically used formats are supported:
[X]XXXXXXX, [X]XXXXXX-X and [X.]XXX.XXX-X.
"""
value = super().clean(value)
if value in self.empty_values:
return value
match = self.regex.match(value)
if not match:
raise ValidationError(self.error_messages['invalid'], code='invalid')
number = int(match.group('num').replace('.', ''))
validation_digit = int(match.group('val'))
if validation_digit != get_validation_digit(number):
raise ValidationError(self.error_messages['invalid_validation_digit'], code='invalid_validation_digit')
return value