common.py 文件源码

def getCycleLock():
    # If the lock is forced, don't wait, just return (ie don't queue)
    if xbmcgui.Window(10000).getProperty("VPN_Manager_Cycle_Lock") == "Forced Locked" : return False
    # If there's already a queue on the lock, don't wait, just return
    if not xbmcgui.Window(10000).getProperty("VPN_Manager_Cycle_Lock_Queued") == "" : return False
    # Loop until we get the lock or time out after 5 seconds
    xbmcgui.Window(10000).setProperty("VPN_Manager_Cycle_Lock_Queued", "Queued")
    i = 0
    while i < 5 and not xbmcgui.Window(10000).getProperty("VPN_Manager_Cycle_Lock") == "":
        xbmc.sleep(1000)
        i = i + 1
    # Free the queue so another call can wait on it
    xbmcgui.Window(10000).setProperty("VPN_Manager_Cycle_Lock_Queued", "")   
    # Return false if a forced lock happened whilst we were queuing
    if xbmcgui.Window(10000).getProperty("VPN_Manager_Cycle_Lock") == "Forced Locked" : return False
    # Return false if the lock wasn't obtained because of a time out
    if i == 5 : return False 
    xbmcgui.Window(10000).setProperty("VPN_Manager_Cycle_Lock", "Locked")
    return True