Created
April 5, 2017 08:28
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Python IBAN Checker
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| # Based on http://codereview.stackexchange.com/questions/135366/python-iban-validation | |
| import string | |
| def is_iban(unchecked_iban): | |
| LETTERS = {ord(d): str(i) for i, d in enumerate(string.digits + string.ascii_uppercase)} | |
| def _number_iban(iban): | |
| return (iban[4:] + iban[:4]).translate(LETTERS) | |
| def generate_iban_check_digits(iban): | |
| number_iban = _number_iban(iban[:2] + '00' + iban[4:]) | |
| return '{:0>2}'.format(98 - (int(number_iban) % 97)) | |
| def valid_iban(iban): | |
| return int(_number_iban(iban)) % 97 == 1 | |
| return generate_iban_check_digits(unchecked_iban) == unchecked_iban[2:4] and valid_iban(unchecked_iban) | |
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it doesn't account for valid ISO2 country names