sysstat.py 文件源码

def fetch_fileheader(thefile):
    """
    Fetch the sysstat FileHeader object for the given file path.
    """
    try:
        with lzma.open(thefile, "rb") as fp:
            res = fetch_fileheader_with_fp(fp)
    except lzma.LZMAError:
        with open(thefile, "rb") as fp:
            res = fetch_fileheader_with_fp(fp)
    return res