backend.py 文件源码

def getwindowtitle():
    if sys.platform == "win32":
        spotify = win32gui.FindWindow('SpotifyMainWindow', None)
        windowname = win32gui.GetWindowText(spotify)
    elif sys.platform == "darwin":
        windowname = ''
        try:
            command = "osascript getCurrentSong.AppleScript"
            windowname = subprocess.check_output(["/bin/bash", "-c", command]).decode("utf-8")
        except Exception:
            pass
    else:
        windowname = ''
        session = dbus.SessionBus()
        spotifydbus = session.get_object("org.mpris.MediaPlayer2.spotify", "/org/mpris/MediaPlayer2")
        spotifyinterface = dbus.Interface(spotifydbus, "org.freedesktop.DBus.Properties")
        metadata = spotifyinterface.Get("org.mpris.MediaPlayer2.Player", "Metadata")
        try:
            command = "xwininfo -tree -root"
            windows = subprocess.check_output(["/bin/bash", "-c", command]).decode("utf-8")
            spotify = ''
            for line in windows.splitlines():
                if '("spotify" "Spotify")' in line:
                    if " - " in line:
                        spotify = line
                        break
            if spotify == '':
                windowname = 'Spotify'
        except Exception:
            pass
        if windowname != 'Spotify':
            windowname = "%s - %s" %(metadata['xesam:artist'][0], metadata['xesam:title'])
    if "—" in windowname:
        windowname = windowname.replace("—", "-")
    if "Spotify - " in windowname:
        windowname = windowname.strip("Spotify - ")
    return(windowname)