archive_util.py 文件源码

def unpack_directory(filename, extract_dir, progress_filter=default_filter):
    """"Unpack" a directory, using the same interface as for archives

    Raises ``UnrecognizedFormat`` if `filename` is not a directory
    """
    if not os.path.isdir(filename):
        raise UnrecognizedFormat("%s is not a directory" % (filename,))

    paths = {filename:('',extract_dir)}
    for base, dirs, files in os.walk(filename):
        src,dst = paths[base]
        for d in dirs:
            paths[os.path.join(base,d)] = src+d+'/', os.path.join(dst,d)
        for f in files:
            name = src+f
            target = os.path.join(dst,f)
            target = progress_filter(src+f, target)
            if not target:
                continue    # skip non-files
            ensure_directory(target)
            f = os.path.join(base,f)
            shutil.copyfile(f, target)
            shutil.copystat(f, target)