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Monitoring Spotify track change in Applescript?

I'm trying to figure out the best way via Spotify's Applescript library to detect a track change. So far, I've tried checking player position -- if it equals 0 it is a new track and the Growl notification appears again. (This didn't work mostly if someone started a song over, etc.)

I'm wondering if the more plausible method is having an idle iTunes script running and checking the current track name for change every couple seconds. I'm worried this might be a bit of a hog memory-wise. I can't get this code to function either.

tell application "System Events"
    -- checks for instance of Growl and Spotify, does not run if both programs are not active
    set isRunning to ¬
        (count of (every process whose name is "Growl")) > 0
    (count of (every process whose name is "Spotify")) > 0
end tell

--establish empty variable to be filled by song title later
global latest_song
set latest_song to ""

on idle
    tell application "Spotify"
        if player state is playing then
            copy name of current track to current_tracks_name
            -- runs match between last and current song titles
            if current_tracks_name is not latest_song then
                copy current_tracks_name to latest_song
                set who to artist of current track
                set onwhat to album of current track
                tell application "Growl"
                    -- Make a list of all the notification types 
                    -- that this script will ever send:
                    set the allNotificationsList to ¬
                        {"SpotifyNewTrack"}

                    -- Make a list of the notifications 
                    -- that will be enabled by default.      
                    -- Those not enabled by default can be enabled later 
                    -- in the 'Applications' tab of the growl prefpane.
                    set the enabledNotificationsList to ¬
                        {"SpotifyNewTrack"}

                    -- Register our script with growl.
                    -- You can optionally (as here) set a default icon 
                    -- for this script's notifications.
                    register as application ¬
                        "Spotify" all notifications allNotificationsList ¬
                        default notifications enabledNotificationsList ¬
                        icon of application "Spotify"

                    --  Send a Notification...
                    notify with name ¬
                        "SpotifyNewTrack" title ¬
                        current_tracks_name description ¬
                        who application name "Spotify"
                end tell
            end if
            return 5
        end if
    end tell
end idle

This might be a little complicated but any help is appr开发者_运维百科eciated.


I've worked on a little script, since Spotify does not support Growl 1.3.

Programming is not very good, but I think, the Notifications are very fancy ;)

set delay_time to 1

-- register growl
tell application "Growl"
set the allNotificationsList to {"SpotifyNewTrack"}
set the enabledNotificationsList to {"SpotifyNewTrack"}
register as application ¬
    "Spotify" all notifications allNotificationsList ¬
    default notifications enabledNotificationsList ¬
    icon of application "Spotify"
end tell

set myspace to " "
set myspace2 to myspace & myspace
set myspace3 to myspace & myspace & myspace

set old_track_id to ""
set old_state to ""

repeat
try

    set boolStarted to false
    set boolPaused to false

    -- main code        
    tell application "Spotify" to set track_id to id of current track
    tell application "Spotify" to set theState to player state as string


    if ((old_state is "stopped") or (old_state is "paused")) and theState is "playing" then set boolStarted to true
    if (old_state is "playing") and theState is "paused" then set boolPaused to true

    set old_state to theState

    if (old_track_id is not track_id) or boolStarted or boolPaused then

        tell application "Spotify"
            set theTitle to name of the current track
            set theArtist to artist of the current track
            set theAlbum to album of the current track
            set theDuration to duration of the current track
            set theCount to played count of the current track
            set theStarred to starred of the current track
            set thePopularity to popularity of the current track
            set theCover to artwork of the current track
            set thePosition to player position
        end tell


        if theStarred then
            set stringStarred to "♥" & myspace
        else
            set stringStarred to ""
        end if

        set stringPopularity to ""
        repeat (thePopularity / 20 as integer) times
            set stringPopularity to stringPopularity & "✭"
        end repeat
        repeat (5 - (thePopularity / 20 as integer)) times
            set stringPopularity to stringPopularity & "✩"
        end repeat

        set theMinutes to round (theDuration / 60) rounding down
        set theSeconds to round (theDuration - (theMinutes * 60))
        if theSeconds < 10 then set theSeconds to "0" & theSeconds

        set thePosMinutes to round (thePosition / 60) rounding down
        set thePosSeconds to thePosition - (thePosMinutes * 60) as integer
        if thePosSeconds < 10 then set thePosSeconds to "0" & thePosSeconds
        set stringPos to thePosMinutes & ":" & thePosSeconds



        if boolStarted or boolPaused then
            set thePosMinutes to round (thePosition / 60) rounding down
            set thePosSeconds to thePosition - (thePosMinutes * 60) as integer
            if thePosSeconds < 10 then set thePosSeconds to "0" & thePosSeconds
            set stringPos to thePosMinutes & ":" & thePosSeconds
        end if


        set growlTitle to theArtist & ":" & myspace2 & theTitle
        set growlMessage to theAlbum & myspace & "||" & myspace & theMinutes & ":" & theSeconds & ¬
            myspace & stringStarred & stringPopularity & " (" & thePopularity & ")" & myspace & theCount & "x"

        if boolStarted then set growlTitle to growlTitle & myspace3 & "▶"
        if boolPaused then set growlTitle to growlTitle & myspace3 & "❚❚"


        -- save cover art
        set f to open for access "Macintosh HD:tmp:spotify-artwork.tiff" with write permission
        set eof of f to 0
        write theCover to f
        close access f


        set thePercentage to (20 * thePosition / theDuration) as integer

        set stringPercentage to ""

        repeat (thePercentage - 1) times
            set stringPercentage to stringPercentage & "·"
        end repeat

        set stringPercentage to stringPercentage & "◆"

        if thePercentage is 0 then
            repeat (19 - thePercentage) times
                set stringPercentage to stringPercentage & "·"
            end repeat
        else
            repeat (20 - thePercentage) times
                set stringPercentage to stringPercentage & "·"
            end repeat
        end if

        if boolStarted or boolPaused then
            set growlTitle to growlTitle & myspace3 & stringPos & myspace3 & stringPercentage
        end if


        tell application "Growl" to notify with name ¬
            "SpotifyNewTrack" title growlTitle description growlMessage ¬
            application name ¬
            "Spotify" image from location "/tmp/spotify-artwork.tiff"


    end if

    set old_track_id to track_id


end try
delay delay_time
end repeat


Worth mentioning this is irrelevant as Spotify has patched this in a recent update.


I have been using this script below. I believe it has the answer to your question in it. This code was found on: http://joonix.se/post/25716608379/spotify-offline-playlist

property update_delay : 0.1

tell application "Audio Hijack Pro"
    activate
    -- Create a new session "Spotify" if it doesn't already exist
    try
        set spotify_session to first session whose name is "Spotify"
        if output name format of spotify_session is not "%tag_artist - %tag_title" then
            display dialog "The existing profile for \"Spotify\" does not utilize %tag_artist and %tag_title in the output name format option. Please add this if you want your files to be named automatically or delete/rename your existing \"Spotify\" session."
        end if
    on error number -1719
        tell application "Finder"
            set spotify_path to POSIX path of (application file id "spty" as alias)
        end tell
        set spotify_session to make new application session at end of sessions
        set targeted application of spotify_session to spotify_path
        set output folder of spotify_session to "~/Desktop"
        set output name format of spotify_session to "%tag_artist - %tag_title"
        set recording format of spotify_session to {encoding:MP3, bit rate:320, channels:Stereo, style:VBR}
    end try
    set name of spotify_session to "Spotify"

    -- (Re-)start hijacking and recording on the spotify session
    if hijacked of spotify_session is true then
        stop hijacking spotify_session
    end if
    start hijacking spotify_session relaunch yes
end tell

tell application "Spotify"
    if not running then activate
    if player state is playing then pause

    display dialog "Start playing the tracks that you want to rip with Audio Hijack, quit spotify when done."
    if repeating then display dialog "Please notice that you have repeating enabled in Spotify!"

    set has_started to false -- Whether spotify have been playing yet

    -- Check for changes to current track until spotify exits
    repeat until application "Spotify" is not running
        -- Changed track
        if has_started and id of current track is not recording_id then
            tell application "Audio Hijack Pro" to stop recording spotify_session
            set has_started to false
        end if

        -- Started playing
        if has_started is not true and player state is playing then
            set has_started to true
            set recording_id to id of current track

            -- Get the metadata
            set track_name to name of current track
            set track_artist to artist of current track
            set track_album to album of current track

            tell application "Audio Hijack Pro"
                set title tag of spotify_session to track_name
                set artist tag of spotify_session to track_artist
                set album tag of spotify_session to track_album

                start recording spotify_session
            end tell
        end if

        -- Stopped playing
        if has_started and player state is not playing then
            tell application "Audio Hijack Pro" to stop recording spotify_session
            set has_started to false
        end if

        delay update_delay
    end repeat

    tell application "Audio Hijack Pro" to stop recording spotify_session
end tell
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