fast-luhn 0.1.2

Fast Luhn algorithm

Luhn algorithm. Generate and validate strings of numbers. Rust realisation for speed-up python code.

Author:

Matt Stroganov

Version:

0.1.2

Installation

Install with pip:

$ pip install fast-luhn

Usage

Import package:

>>> import fast_luhn as fl

Validate

Check if string is valid by luhn algorithm. Return bool.

>>> fl.validate("471629309440")
False

Digit

Calculate next digit for string of numbers. Return int.

>>> fl.digit("47162930944")
7

Complete

Add luhn-check digit to string of numbers. Return string.

>>> fl.complete("2398560146")
'23985601469'

Generate

Generate luhn-valid string of numbers with length. Return string.

>>> fl.generate(50)
'58126333877729238938910323395262199130041545367401'