"""ID-specific Form helpers."""
import re
import time
from django.core.exceptions import ImproperlyConfigured
from django.forms import ValidationError
from django.forms.fields import CharField, Select
from django.utils.translation import gettext_lazy as _
postcode_re = re.compile(r'^[1-9]\d{4}$')
plate_re = re.compile(r'^(?P<prefix>[A-Z]{1,2}) ' +
r'(?P<number>\d{1,5})( (?P<suffix>([A-Z]{1,3}|[1-9][0-9]{,2})))?$')
nik_re = re.compile(r'^\d{16}$')
WOMAN_IDENTIFIER = 40
[docs]class IDPostCodeField(CharField):
"""
An Indonesian post code field.
http://id.wikipedia.org/wiki/Kode_pos
"""
default_error_messages = {
'invalid': _('Enter a valid post code'),
}
[docs] def clean(self, value):
value = super().clean(value)
if value in self.empty_values:
return value
if not postcode_re.search(value):
raise ValidationError(self.error_messages['invalid'], code='invalid')
if int(value) < 10110:
raise ValidationError(self.error_messages['invalid'], code='invalid')
# 1xxx0
if value[0] == '1' and value[4] != '0':
raise ValidationError(self.error_messages['invalid'], code='invalid')
return '%s' % (value,)
[docs]class IDProvinceSelect(Select):
"""A Select widget that uses a list of provinces of Indonesia as its choices."""
def __init__(self, attrs=None):
# Load data in memory only when it is required, see also #17275
from .id_choices import PROVINCE_CHOICES
super().__init__(attrs, choices=PROVINCE_CHOICES)
[docs]class IDLicensePlatePrefixSelect(Select):
"""
A Select widget that uses a list of vehicle license plate prefix code of Indonesia as its choices.
http://id.wikipedia.org/wiki/Tanda_Nomor_Kendaraan_Bermotor
"""
def __init__(self, attrs=None):
# Load data in memory only when it is required, see also #17275
from .id_choices import LICENSE_PLATE_PREFIX_CHOICES
super().__init__(attrs, choices=LICENSE_PLATE_PREFIX_CHOICES)
[docs]class IDLicensePlateField(CharField):
"""
An Indonesian vehicle license plate field.
http://id.wikipedia.org/wiki/Tanda_Nomor_Kendaraan_Bermotor
Plus: "B 12345 12"
"""
default_error_messages = {
'invalid': _('Enter a valid vehicle license plate number'),
}
foreign_vehicles_prefixes = ('CD', 'CC')
[docs] def clean(self, value):
value = super().clean(value)
if value in self.empty_values:
return value
plate_number = re.sub(r'\s+', ' ', value).upper()
number, prefix, suffix = self._validate_regex_match(plate_number)
self._validate_prefix(prefix)
self._validate_jakarta(prefix, suffix)
self._validate_ri(prefix, suffix)
self._validate_number(number)
# CD, CC and B 12345 12
if len(number) == 5 or prefix in self.foreign_vehicles_prefixes:
self._validate_numeric_suffix(suffix)
self._validate_known_codes_range(number, prefix, suffix)
else:
self._validate_non_numeric_suffix(suffix)
return plate_number
def _validate_regex_match(self, plate_number):
matches = plate_re.search(plate_number)
if matches is None:
raise ValidationError(self.error_messages['invalid'], code='invalid')
prefix = matches.group('prefix')
suffix = matches.group('suffix')
number = matches.group('number')
return number, prefix, suffix
def _validate_number(self, number):
# Number can't be zero.
if number == '0':
raise ValidationError(self.error_messages['invalid'], code='invalid')
def _validate_known_codes_range(self, number, prefix, suffix):
# Known codes range is 12-124
if prefix in self.foreign_vehicles_prefixes and not (12 <= int(number) <= 124):
raise ValidationError(self.error_messages['invalid'], code='invalid')
if len(number) == 5 and not (12 <= int(suffix) <= 124):
raise ValidationError(self.error_messages['invalid'], code='invalid')
def _validate_numeric_suffix(self, suffix):
# suffix must be numeric and non-empty
if re.match(r'^\d+$', suffix) is None:
raise ValidationError(self.error_messages['invalid'], code='invalid')
def _validate_non_numeric_suffix(self, suffix):
# suffix must be non-numeric
if suffix is not None and re.match(r'^[A-Z]{,3}$', suffix) is None:
raise ValidationError(self.error_messages['invalid'], code='invalid')
def _validate_prefix(self, prefix):
# Load data in memory only when it is required, see also #17275
from .id_choices import LICENSE_PLATE_PREFIX_CHOICES
# Make sure prefix is in the list of known codes.
if prefix not in [choice[0] for choice in LICENSE_PLATE_PREFIX_CHOICES]:
raise ValidationError(self.error_messages['invalid'], code='invalid')
def _validate_ri(self, prefix, suffix):
# RI plates don't have suffix.
if prefix == 'RI' and suffix is not None and suffix != '':
raise ValidationError(self.error_messages['invalid'], code='invalid')
def _validate_jakarta(self, prefix, suffix):
# Only Jakarta (prefix B) can have 3 letter suffix.
if suffix is not None and len(suffix) == 3 and prefix != 'B':
raise ValidationError(self.error_messages['invalid'], code='invalid')
[docs]class IDNationalIdentityNumberField(CharField):
"""
An Indonesian national identity number (NIK/KTP#) field.
http://id.wikipedia.org/wiki/Nomor_Induk_Kependudukan
xx.xxxx.ddmmyy.xxxx - 16 digits (excl. dots)
notes: for women dd + 40
"""
default_error_messages = {
'invalid': _('Enter a valid NIK/KTP number'),
}
[docs] def clean(self, value):
value = super().clean(value)
if value in self.empty_values:
return value
# This replacement effectively means the value is always stripped.
value = re.sub(r'[\s.]', '', value)
if not nik_re.search(value):
raise ValidationError(self.error_messages['invalid'], code='invalid')
if int(value) == 0:
raise ValidationError(self.error_messages['invalid'], code='invalid')
year = int(value[10:12])
month = int(value[8:10])
day = int(value[6:8])
# for woman, birth date is added with 40
if day > 31:
day -= WOMAN_IDENTIFIER
current_year = time.localtime().tm_year
if year < int(str(current_year)[-2:]):
if not IDNationalIdentityNumberField._valid_nik_date(2000 + int(year), month, day):
raise ValidationError(self.error_messages['invalid'], code='invalid')
elif not IDNationalIdentityNumberField._valid_nik_date(1900 + int(year), month, day):
raise ValidationError(self.error_messages['invalid'], code='invalid')
if value[:6] == '000000' or value[12:] == '0000':
raise ValidationError(self.error_messages['invalid'], code='invalid')
return '%s.%s.%s.%s' % (value[:2], value[2:6], value[6:12], value[12:])
@staticmethod
def _valid_nik_date(year, month, day):
try:
t1 = (int(year), int(month), int(day), 0, 0, 0, 0, 0, -1)
d = time.mktime(t1)
t2 = time.localtime(d)
if t1[:3] != t2[:3]:
return False
else:
return True
except (OverflowError, ValueError):
return False