Unzip files encoded with cp932.

unzip_cp932.py

#!/usr/bin/env python3
# coding: utf-8


def main(context):
    from zipfile import ZipFile

    with ZipFile(context.archive) as f:
        if context.password is not None:
            f.setpassword(context.password.encode())

        for info in f.infolist():
            extract(f, info.filename, context.dest)


def extract(zip_file, name, dest):
    import os
    from os import path

    p = path.join(
        dest,
        name.encode('cp437').decode('cp932')
    )

    os.makedirs(path.dirname(p), exist_ok=True)

    if is_path_of_dir(p):
        return

    with open(p, 'wb') as f:
        f.write(zip_file.read(name))


def is_path_of_dir(p):
    from os import path
    return p.endswith('/')


def parse_args(args):
    from argparse import ArgumentParser

    parser = ArgumentParser()

    parser.add_argument(
        '--archive',
        '-a',
        type=str,
        required=True,
        help='the path of a ZIP file',
    )

    parser.add_argument(
        '--password',
        '-p',
        type=str,
        required=False,
        help='the password of files to be extracted',
    )

    parser.add_argument(
        '--dest',
        '-d',
        default='.',
        type=str,
        required=False,
        help='the destination path of extracted files',
    )

    return parser.parse_args(args)


if __name__ == '__main__':
    import sys
    main(parse_args(sys.argv[1:]))