wwiser-hash.py

#!/usr/bin/env python3
# vim: set expandtab tabstop=4 shiftwidth=4:

import os
import sys

def wwiser_hash(name):
    """
    https://github.com/bnnm/wwiser/blob/master/wwiser/wfnv.py
    """
    hash = 2166136261 #FNV offset basis
    namebytes = name.lower().encode('latin1')

    for namebyte in namebytes:  #for i in range(len(namebytes)):
        hash = hash * 16777619 #FNV prime
        hash = hash ^ namebyte #FNV xor
        hash = hash & 0xFFFFFFFF #python clamp
    return hash

def main():
    for name in sys.argv[1:]:
        print('{}|{}'.format(wwiser_hash(name), name))

if __name__ == '__main__':
    main()