files.py 文件源码

def _create_etag(path, recursive, lm=None):
    if lm is None:
        lm = _create_lastmodified(path, recursive)

    if lm is None:
        return None

    hash = hashlib.sha1()
    hash.update(str(lm))
    hash.update(str(recursive))

    if path.endswith("/files") or path.endswith("/files/sdcard"):
        # include sd data in etag
        hash.update(repr(sorted(printer.get_sd_files(), key=lambda x: x[0])))

    return hash.hexdigest()