utils.py 文件源码

def _rename(src, dst):
    LOG.info("Renaming file '%s' -> '%s'" % (src, dst))
    try:
        os.rename(src, dst)
    except OSError, e:  # noqa
        if e.errno == errno.EXDEV:
            LOG.error("Invalid cross-device link.  Perhaps %s and %s should "
                      "be symlinked on the same filesystem?" % (src, dst))
        raise