rfkill.py 文件源码

def hard_blocked(idx):
    """
     determines hard block state of device
     :param idx: rkill index
     :returns: True if device at idx is hard blocked, False otherwise
    """
    if not os.path.exists(os.path.join(spath,"rfkill{0}".format(idx))):
        raise pyric.error(errno.ENODEV,"No device at {0}".format(idx))
    fin = None
    try:
        fin = open(os.path.join(spath,"rfkill{0}".format(idx),'hard'),'r')
        return int(fin.read().strip()) == 1
    except IOError:
        raise pyric.error(errno.ENODEV,"No device at {0}".format(idx))
    except ValueError:
        raise pyric.error(pyric.EUNDEF,"Unexpected error")
    finally:
        if fin: fin.close()