def test_luhn(self):
"""
Check that function(value) equals output.
"""
items = (
(4111111111111111, True),
('4111111111111111', True),
(4222222222222, True),
(378734493671000, True),
(5424000000000015, True),
(5555555555554444, True),
(1008, True),
('0000001008', True),
('000000001008', True),
(4012888888881881, True),
(1234567890123456789012345678909, True),
(4111111111211111, False),
(42222222222224, False),
(100, False),
('100', False),
('0000100', False),
('abc', False),
(None, False),
(object(), False),
)
for value, output in items:
self.assertEqual(checksums.luhn(value), output, value)
def clean(self, value):
super(ZAIDField, self).clean(value)
if value in EMPTY_VALUES:
return ''
# strip spaces and dashes
value = value.strip().replace(' ', '').replace('-', '')
match = re.match(id_re, value)
if not match:
raise ValidationError(self.error_messages['invalid'])
g = match.groupdict()
try:
# The year 2000 is conveniently a leapyear.
# This algorithm will break in xx00 years which aren't leap years
# There is no way to guess the century of a ZA ID number
date(int(g['yy']) + 2000, int(g['mm']), int(g['dd']))
except ValueError:
raise ValidationError(self.error_messages['invalid'])
if not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
super(ZAIDField, self).clean(value)
if value in self.empty_values:
return self.empty_value
# strip spaces and dashes
value = value.strip().replace(' ', '').replace('-', '')
match = re.match(id_re, value)
if not match:
raise ValidationError(self.error_messages['invalid'])
g = match.groupdict()
try:
# The year 2000 is conveniently a leapyear.
# This algorithm will break in xx00 years which aren't leap years
# There is no way to guess the century of a ZA ID number
date(int(g['yy']) + 2000, int(g['mm']), int(g['dd']))
except ValueError:
raise ValidationError(self.error_messages['invalid'])
if not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
if value not in EMPTY_VALUES:
value = value.replace(' ', '').replace('-', '')
ret = super(FRSIRETField, self).clean(value)
if not luhn(ret[:9]):
raise ValidationError(self.error_messages['invalid'])
return ret
def clean(self, value):
super(FRSIRENENumberMixin, self).clean(value)
if value in EMPTY_VALUES:
return ''
value = value.replace(' ', '').replace('-', '')
if not self.r_valid.match(value) or not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
if value not in EMPTY_VALUES:
value = value.replace(' ', '').replace('-', '')
ret = super(FRSIRETField, self).clean(value)
if not luhn(ret[:9]):
raise ValidationError(self.error_messages['invalid'])
return ret
def clean(self, value):
super(FRSIRENENumberMixin, self).clean(value)
if value in EMPTY_VALUES:
return ''
value = value.replace(' ', '').replace('-', '')
if not self.r_valid.match(value) or not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
value = super(ILIDNumberField, self).clean(value)
if value in EMPTY_VALUES:
return ''
match = id_number_re.match(value)
if not match:
raise ValidationError(self.error_messages['invalid'])
value = match.group('number') + match.group('check')
if not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
super(CASocialInsuranceNumberField, self).clean(value)
if value in EMPTY_VALUES:
return ""
match = re.match(sin_re, value)
if not match:
raise ValidationError(self.error_messages["invalid"])
number = "%s-%s-%s" % (match.group(1), match.group(2), match.group(3))
check_number = "%s%s%s" % (match.group(1), match.group(2), match.group(3))
if not luhn(check_number):
raise ValidationError(self.error_messages["invalid"])
return number
def clean(self, value):
value = super(ILIDNumberField, self).clean(value)
if value in EMPTY_VALUES:
return ''
match = id_number_re.match(value)
if not match:
raise ValidationError(self.error_messages['invalid'])
value = match.group('number') + match.group('check')
if not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
super(CASocialInsuranceNumberField, self).clean(value)
if value in EMPTY_VALUES:
return ''
match = re.match(sin_re, value)
if not match:
raise ValidationError(self.error_messages['invalid'])
number = '%s-%s-%s' % (match.group(1), match.group(2), match.group(3))
check_number = '%s%s%s' % (match.group(1), match.group(2),
match.group(3))
if not luhn(check_number):
raise ValidationError(self.error_messages['invalid'])
return number
def clean(self, value):
super(GRSocialSecurityNumberCodeField, self).clean(value)
if value in self.empty_values:
return self.empty_value
val = re.sub('[\-\s]', '', force_text(value))
if not val or len(val) < 11:
raise ValidationError(self.error_messages['invalid'])
if self.allow_test_value and val == '00000000000':
return val
if not all(char.isdigit() for char in val):
raise ValidationError(self.error_messages['invalid'])
self.check_date(val)
if not luhn(val):
raise ValidationError(self.error_messages['invalid'])
return val
def clean(self, value):
super(HRJMBAGField, self).clean(value)
if value in EMPTY_VALUES:
return ''
value = re.sub(r'[\-\s]', '', value.strip())
matches = jmbag_re.search(value)
if matches is None:
raise ValidationError(self.error_messages['invalid'])
# Make sure the issue number is not zero.
if matches.group('copy') == '0':
raise ValidationError(self.error_messages['copy'])
# Validate checksum using Luhn algorithm.
if not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return '%s' % value
def clean(self, value):
super(HRJMBAGField, self).clean(value)
if value in EMPTY_VALUES:
return ''
value = re.sub(r'[\-\s]', '', value.strip())
matches = jmbag_re.search(value)
if matches is None:
raise ValidationError(self.error_messages['invalid'])
# Make sure the issue number is not zero.
if matches.group('copy') == '0':
raise ValidationError(self.error_messages['copy'])
# Validate checksum using Luhn algorithm.
if not luhn(value):
raise ValidationError(self.error_messages['invalid'])
return '%s' % value
