hub.py 文件源码

def idle(priority=0):
    """
    Cause the calling greenlet to wait until the event loop is idle.

    Idle is defined as having no other events of the same or higher
    *priority* pending. That is, as long as sockets, timeouts or even
    signals of the same or higher priority are being processed, the loop
    is not idle.

    .. seealso:: :func:`sleep`
    """
    hub = get_hub()
    watcher = hub.loop.idle()
    if priority:
        watcher.priority = priority
    hub.wait(watcher)