decompress ZIP file with encoding

unzip.py

import zipfile
import pathlib
import chardet

def unzip(file, path):
    z = zipfile.ZipFile(file)
    detector = chardet.UniversalDetector()
    for i in z.infolist():
        if i.flag_bits & 0x800 == 0:
            detector.feed(i.filename.encode("cp437"))
            if detector.done:
                break
    detector.close()
    encoding = detector.result["encoding"]
    for i in z.infolist():
        if i.flag_bits & 0x800 == 0:
            try:
                n = pathlib.Path(path, i.filename.encode("cp437").decode(encoding))
            except Exception:
                n = pathlib.Path(path, i.filename)
        else:
            n = pathlib.Path(path, i.filename)

        if i.is_dir():
            if not n.exists():
                n.mkdir(parents=True)
        else:
            with n.open('wb') as w:
                w.write(z.read(i.filename))
    z.close()