added liking by double tapping album art

add exception handling to update.py, prepping for handling script

spotifycontroller.py

@@ -54,7 +54,7 @@ password = "Mariposa2502$"
 
 
 # Get the user's Spotify authorization token
-scope = "user-read-playback-state,user-modify-playback-state"
+scope = "user-read-playback-state,user-modify-playback-state,user-library-read,user-library-modify"
 
 oauth = SpotifyOAuth(client_id=client_id, client_secret=client_secret, redirect_uri=redirect_uri, scope=scope, requests_timeout=30)
 
@@ -95,8 +95,10 @@ def controlPrevious():
     spotify.previous_track()
 
 def likeSong():
-    print(spotify.current_playback()["item"]["id"])
-    spotify.current_user_saved_tracks_add(tracks=(spotify.current_playback()["item"]["id"]))
+    if spotify.current_user_saved_tracks_contains(tracks=[(spotify.current_playback()["item"]["id"])])[0] is False:
+        spotify.current_user_saved_tracks_add(tracks=[(spotify.current_playback()["item"]["id"])])
+    else:
+        spotify.current_user_saved_tracks_delete(tracks=[(spotify.current_playback()["item"]["id"])])
 
 def start_playback_on_device():
     # global count
@@ -302,10 +304,13 @@ def update_song_label():
             track_progress_sec = (track_progress//1000)%60
         else:
             track_name = "Loading..."
-            artist_name = "Loading..."
+            artist_name = ""
             track_duration = 1
-            track_progress = 1
-
+            playing_status = True
+            device_name = ""
+            album_art_url = ""
+            track_progress_min = 0
+            track_progress_sec = 1
         if track_name == song_label.cget("text"):
             track_progress_formatted = ("{}:{:02d}".format(track_progress_min, track_progress_sec))
             progress_bar.config(maximum=track_duration)