zip-contains-crc

#!/usr/bin/env python

from __future__ import print_function

import sys
from string import zfill
from zipfile import ZipFile

def main(path, crc, *args):
    with ZipFile(path, 'r') as zip:
        for info in zip.infolist():
            if zfill(format(info.CRC, 'x'), 8) == crc.lower():
                sys.exit(0)
    
    sys.exit(1)
        
if __name__ == '__main__':
    if len(sys.argv) != 3:
        print('usage: zip-contains-crc <zipfile> <crc>', file=sys.stderr)
        sys.exit(2)
    
    main(*sys.argv[1:])