import os
    import stat
    import shutil
    def del_ro_dir(dir_name):
        '''Remove Read Only Directories'''
        for (root, dirs, files) in os.walk(dir_name, topdown=True):
            os.chmod(root,
                # For user ...
                stat.S_IRUSR |
                stat.S_IWUSR |
                stat.S_IXUSR |
                # For group ...
                stat.S_IWGRP |
                stat.S_IRGRP |
                stat.S_IXGRP |
                # For other ...
                stat.S_IROTH |
                stat.S_IWOTH |
                stat.S_IXOTH
            )
        shutil.rmtree(dir_name)

    if __name__ == '__main__':
        del_ro_dir('')