backup.py 文件源码

def remove(path, dest_root, dryrun=False, debug=False):
        """
        Remove the specified file/directory using `rm -rf`, to clean
        up the destination backup.

        The specified path must locate under the `dest_root` for safety.
        """
        if not fnmatch(path, dest_root+"/*"):
            raise ValueError("Not allowed to remove file/directory "
                             "outside destination: %s" % path)
        if not os.path.exists(path):
            return
        logger.info("Remove: %s" % path)
        args = ["-r", "-f"]
        if debug:
            args += ["-v"]
        cmd = ["rm"] + args + [path]
        if not dryrun:
            subprocess.check_call(cmd)