def credit_card_number(self, card_type='visa'):
"""Generate a random credit card number.
:param card_type: Issuing Network. Default is Visa.
:return: Credit card number.
:Example:
4455 5299 1152 2450
"""
length = 16
regex = re.compile('(\d{4})(\d{4})(\d{4})(\d{4})')
if card_type in ('visa', 'vi', 'v'):
number = self.random.randint(4000, 4999)
elif card_type in ('master_card', 'mc', 'master', 'm'):
number = self.random.choice([
self.random.randint(2221, 2720),
self.random.randint(5100, 5500)
])
elif card_type in ('american_express', 'amex', 'ax', 'a'):
number = self.random.choice([34, 37])
length = 15
regex = re.compile('(\d{4})(\d{6})(\d{5})')
else:
raise NotImplementedError(
'Card type {} is not supported.'.format(card_type))
number = str(number)
while len(number) < length - 1:
number += self.random.choice(digits)
card = ' '.join(regex.search(number + luhn_checksum(number)).groups())
return card
def imei(self) -> str:
"""Generate a random IMEI.
:return: IMEI.
"""
num = self.random.choice(IMEI_TACS)
num = num + str(self.random.randint(100000, 999999))
return num + luhn_checksum(num)
def imei(self):
"""Generate a random IMEI (International Mobile Station Equipment Identity).
:return: IMEI.
:Example:
353918052107063
"""
num = self.random.choice(IMEI_TACS) + self.custom_code(mask='######')
return num + luhn_checksum(num)
def credit_card_number(self, card_type: Optional[CardType] = None) -> str:
"""Generate a random credit card number.
:param card_type: Issuing Network. Default is Visa.
:return: Credit card number.
:raises NotImplementedError: if cart_type is not supported.
:Example:
4455 5299 1152 2450
"""
length = 16
regex = re.compile('(\d{4})(\d{4})(\d{4})(\d{4})')
if card_type is None:
card_type = get_random_item(CardType, rnd=self.random)
if card_type == CardType.VISA:
number = self.random.randint(4000, 4999)
elif card_type == CardType.MASTER_CARD:
number = self.random.choice([
self.random.randint(2221, 2720),
self.random.randint(5100, 5500),
])
elif card_type == CardType.AMERICAN_EXPRESS:
number = self.random.choice([34, 37])
length = 15
regex = re.compile('(\d{4})(\d{6})(\d{5})')
else:
raise NonEnumerableError(CardType)
str_num = str(number)
while len(str_num) < length - 1:
str_num += self.random.choice(string.digits)
groups = regex.search( # type: ignore
str_num + luhn_checksum(str_num), ).groups()
card = ' '.join(groups)
return card
def test_luhn_checksum():
assert luhn_checksum('7992739871') == '3'
