18 lines
545 B
Python
18 lines
545 B
Python
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from dbsettings.functions import getValue
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from random import SystemRandom
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import fast_luhn
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def generate_voucher_code(prefix=getValue("payment.voucher.prefix", "9011"), length=getValue("payment.voucher.length", 16)):
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if length <= len(str(prefix)):
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raise ValueError("Voucher code length must be longer than its prefix!")
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length_randpart = length - len(str(prefix)) - 1
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base_code = prefix
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for i in range(length_randpart):
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base_code += str(SystemRandom().randint(0, 9))
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return fast_luhn.complete(base_code)
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