def clean(self, value):
super().clean(value)
if value in self.empty_values:
return self.empty_value
# strip spaces and dashes
value = value.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.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
super().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.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return value
def getBankNumbers(file):
from stdnum import luhn
banknums = []
f = open(file, encoding='utf-8') # 返回一个文件对象
line = f.readline() # 调用文件的 readline()方法
while line:
if line:
try:
banknum = {}
arr = line.strip().split(',')
# 邮储银行,1000000,绿卡银联标准卡,19,6,622188,1
banknum['prefix'] = arr[5]
banknum['bankName'] = BankSimplefy.simplefyBankName(arr[0])
banknum['length'] = arr[3]
# print(f'{banknum}')
num_generator = cardNum_generator(banknum['prefix'],
int(banknum['length']))
banknum['bankNumber'] = num_generator
valid = luhn.is_valid(num_generator)
# banknum['luhn_valid'] = valid
# 校验luhn算法
# print(f'校验luhn算法是否成功:{valid}')
banknums.append(banknum)
except Exception as e:
LogUtil.info(f"{e}")
line = f.readline()
f.close()
return banknums
def generateBankNumbers(file):
from stdnum import luhn
banknums = []
f = open(file) # 返回一个文件对象
line = f.readline() # 调用文件的 readline()方法
while line:
if line:
try:
banknum = {}
arr = line.strip().split(',')
pattern = re.compile("(\d*)开头的银行卡类型是(.*)")
res = pattern.search(arr[0]).groups()
banknum['prefix'] = res[0]
banknum['bankName'] = BankSimplefy.simplefyBankName(res[1])
pattern = re.compile("银行卡号数字长度为(\d*)位")
res = pattern.search(arr[1]).groups()
banknum['length'] = res[0]
# print(f'{banknum}')
num_generator = cardNum_generator(banknum['prefix'],
int(banknum['length']))
banknum['bankNumber'] = num_generator
valid = luhn.is_valid(num_generator)
# banknum['luhn_valid'] = valid
# 校验luhn算法
# print(f'校验luhn算法是否成功:{valid}')
banknums.append(banknum)
except Exception as e:
LogUtil.info(f"{e}")
line = f.readline()
f.close()
return banknums
def is_validCC(number): """ Check if is a valid CC number :param number: number as string :return: True or False """ types = [] types.append(["Mastercard", [51,52,53,54,55], 16, 19]) types.append(["Visa", [4], 13, 16]) types.append(["American Express", [34, 37], 15, 15]) types.append(["Discover", [6011, range(622126, 622925), range(644,649), 65], 16, 16]) types.append(["Diners Club - Carte Blanche", [300, 301, 302, 303, 304, 305], 14, 14]) types.append(["Diners Club - International", [36], 14, 14]) types.append(["Diners Club - USA & Canada", [54], 16, 16]) types.append(["InstaPayment", [637, 638, 639], 16, 16]) types.append(["JCB", [range(3528,3589)], 16, 16]) types.append(["Laser", [6304, 6706, 6771, 6709], 16, 19]) types.append(["Maestro", [5018, 5020, 5038, 5893, 6304, 6759, 6761, 6762, 6763], 16, 19]) types.append(["Visa Electron", [4026, 417500, 4508, 4844, 4913, 4917], 16, 16]) if len(number) < 12: return False luhn_check = luhn.is_valid(number) if not luhn_check: return False for vend in types: for pre in vend[1]: if number.startswith(str(pre)) and vend[3] <= len(number) <= vend[4]: return True
def luhn(candidate):
"""
Checks a candidate number for validity according to the Luhn algorithm.
Luhn algorithm is used in validation of, for example, credit cards.
Both numeric and string candidates are accepted.
.. deprecated:: 2.2
Use the luhn function in the python-stdnum_ library instead.
.. _python-stdnum: https://arthurdejong.org/python-stdnum/
"""
warnings.warn(
'luhn is deprecated in favor of the luhn function in the python-stdnum library.',
RemovedInLocalflavor30Warning,
)
if not isinstance(candidate, str):
candidate = str(candidate)
# Our version returned True for empty strings.
if candidate == '':
return True
return stdnum_luhn.is_valid(candidate)
def clean(self, value):
super().clean(value)
if value in self.empty_values:
return self.empty_value
value = value.replace(' ', '').replace('-', '')
if not self.r_valid.match(value) or not luhn.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
super().clean(value)
if value in self.empty_values:
return self.empty_value
value = value.replace(' ', '').replace('-', '')
if not self.r_valid.match(value) or not luhn.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
value = super().clean(value)
if value in self.empty_values:
return value
value = value.replace(' ', '').replace('-', '')
if not luhn.is_valid(value[:9]):
raise ValidationError(self.error_messages['invalid'], code='invalid')
return value
def get_bankcard_number():
"""获取真是银行卡号"""
r_dir = config.__path__[0]
f1 = os.path.join(r_dir, 'bankNum')
with open(f1, 'r', encoding='utf-8') as f:
temp = yaml.load(f)
while True:
res = random.choice(temp['Number'])
# 判断银行卡号是否有效
if luhn.is_valid(res):
break
return res
def valid(card):
if not luhn.is_valid(card):
return False
key = BANKBIN.get(card[:7]) if BANKBIN.get(card[:7]) else BANKBIN.get(
card[:6], None)
if key:
key = key.split('|')
return {'bank': key[0], 'type': key[1]}
return {'bank': u'未知银行卡', 'type': key[1]}
def clean(self, value):
value = super().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.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return value
def clean(self, value):
value = super().clean(value)
if value in self.empty_values:
return value
match = id_number_re.match(value)
if not match:
raise ValidationError(self.error_messages['invalid'], code='invalid')
value = match.group('number') + match.group('check')
if not luhn.is_valid(value):
raise ValidationError(self.error_messages['invalid'], code='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.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return value
def match_bankId(self, content):
'''
Bank Card Number Matching
:param content:
:return:
'''
bankIdsArr = []
bankIds = re.findall(r"\d{19}|\d{15}", content)
for bankId in bankIds:
stat = luhn.is_valid(bankId)
if stat == True:
bankIdsArr.append(bankId)
return bankIdsArr
def clean(self, value):
value = super().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.is_valid(check_number):
raise ValidationError(self.error_messages['invalid'])
return number
def addbank(request):
if request.method == 'POST':
user = request.user
bank = request.POST.get("bank", "")
bankid = request.POST.get("bankid", "")
status = request.POST.get("status", "")
if bank and bankid:
if luhn.is_valid(bankid):
Bank.objects.create(user=user, bank=bank, bankid=bankid, status=status)
return HttpResponse(json.dumps({"result": True, "data": "绑定成功", "error": ""}))
else:
return HttpResponse(json.dumps({"result": False, "data": "", "error": "无效卡号"}))
else:
return HttpResponse(json.dumps({"result":False, "data":"", "error":"输入项不能为空"}))
if request.method == 'GET':
return HttpResponse(json.dumps({"result": True, "data": "", "error": ""}))
def clean(self, value):
value = super().clean(value)
if value in self.empty_values:
return value
match = re.match(sin_re, value)
if not match:
raise ValidationError(self.error_messages['invalid'],
code='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.is_valid(check_number):
raise ValidationError(self.error_messages['invalid'],
code='invalid')
return number
def clean(self, value):
super().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.is_valid(val):
raise ValidationError(self.error_messages['invalid'])
return val
def clean(self, value):
super().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.is_valid(check_number):
raise ValidationError(self.error_messages['invalid'])
return number
def clean(self, value):
super().clean(value)
if value in self.empty_values:
return self.empty_value
val = re.sub('[\-\s]', '', force_str(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.is_valid(val):
raise ValidationError(self.error_messages['invalid'])
return val
def clean(self, value):
super().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.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return '%s' % value
def clean(self, value):
super().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.is_valid(value):
raise ValidationError(self.error_messages['invalid'])
return '%s' % value
def clean(self, value):
value = super().clean(value)
if value in self.empty_values:
return value
value = re.sub(r'[\-\s]', '', value)
matches = jmbag_re.search(value)
if matches is None:
raise ValidationError(self.error_messages['invalid'], code='invalid')
# Make sure the issue number is not zero.
if matches.group('copy') == '0':
raise ValidationError(self.error_messages['copy'], code='copy')
# Validate checksum using Luhn algorithm.
if not luhn.is_valid(value):
raise ValidationError(self.error_messages['invalid'], code='invalid')
return '%s' % value
def is_validCC(number):
"""
Check if is a valid CC number
:param number: number as string
:return: True or False
"""
types = []
types.append(["Mastercard", [51, 52, 53, 54, 55], 16, 19])
types.append(["Visa", [4], 13, 16])
types.append(["American Express", [34, 37], 15, 15])
types.append([
"Discover", [6011, range(622126, 622925),
range(644, 649), 65], 16, 16
])
types.append([
"Diners Club - Carte Blanche", [300, 301, 302, 303, 304, 305], 14, 14
])
types.append(["Diners Club - International", [36], 14, 14])
types.append(["Diners Club - USA & Canada", [54], 16, 16])
types.append(["InstaPayment", [637, 638, 639], 16, 16])
types.append(["JCB", [range(3528, 3589)], 16, 16])
types.append(["Laser", [6304, 6706, 6771, 6709], 16, 19])
types.append([
"Maestro", [5018, 5020, 5038, 5893, 6304, 6759, 6761, 6762, 6763], 16,
19
])
types.append(
["Visa Electron", [4026, 417500, 4508, 4844, 4913, 4917], 16, 16])
if len(number) < 12:
return False
luhn_check = luhn.is_valid(number)
if not luhn_check:
return False
for vend in types:
for pre in vend[1]:
if number.startswith(
str(pre)) and vend[3] <= len(number) <= vend[4]:
return True
from stdnum import luhn
print(luhn.is_valid("6222031001010038011"))
def validate(self, ent):
try:
return (12 < len(ent) < 20) and is_valid(ent)
except:
return False
def luhn_valid(cls, val):
return luhn.is_valid(val)
