util.py 文件源码

def extract_ar(archive, dst, *kwargs):
    if sys.version_info[0] < 3 and archive.endswith('.xz'):
        with contextlib.closing(lzma.LZMAFile(archive)) as xz:
            with tarfile.open(fileobj=xz, *kwargs) as f:
                f.extractall(dst)
    elif archive.endswith('.zip'):
        with zipfile.ZipFile(archive,'r') as f:
            f.extractall(dst)
    elif tarfile.is_tarfile(archive):
        if USE_CMAKE_TAR:
            cmd([which('cmake'), '-E', 'tar', 'xzf', os.path.abspath(archive)], cwd=dst)
        else:
            tarfile.open(archive, *kwargs).extractall(dst)
    else:
        # Treat as a single source file
        d = os.path.join(dst, 'header')
        mkdir(d)
        copy_to(archive, d)