control.py 文件源码

def is_inputstream_available():
    global __inputstream_addon_available

    if __inputstream_addon_available is None:
        lock = threading.RLock()

        try:
            lock.acquire()
            if __inputstream_addon_available is None:
                (inputstream_addon, inputstream_enabled) = get_inputstream_addon()
                __inputstream_addon_available = inputstream_addon is not None and inputstream_enabled
        except Exception as ex:
            log("ERROR FINDING INPUTSTREAM ADDON, CONSIDERING MISSING: %s" % repr(ex))
            __inputstream_addon_available = False
        finally:
            lock.release()

    return __inputstream_addon_available