use local method for spotify auth

main.py

@@ -1,3 +1,4 @@
+import itertools
 import os
 import re
 from enum import Enum
@@ -31,6 +32,13 @@ SERVICES = {
     'soundcloud.com': MusicSource.SOUNDCLOUD
 }
 
+def _split_seq(iterable, size):
+    it = iter(iterable)
+    item = list(itertools.islice(it, size))
+    while item:
+        yield item
+        item = list(itertools.islice(it, size))
+
 def echo(link):
     o = urlparse(link)
 
@@ -69,18 +77,29 @@ def update_spotify_from_export():
         else:
             other_links.append(i['link'])
 
-    print(spotify_links)
-    print(yt_links)
-    print(soundcloud_links)
-    print(bandcamp)
-    print(other_links)
+    #print(spotify_links)
+    #print(yt_links)
+    #print(soundcloud_links)
+    #print(bandcamp)
+    #print(other_links)
+
+    print(f'Spotify tracks: {len(spotify_links)}')
 
     scope = "playlist-modify-private"
-    os.environ['SPOTIPY_REDIRECT_URI'] = 'https://example.com/callback'
+    os.environ['SPOTIPY_REDIRECT_URI'] = 'http://127.0.0.1:9090'
 
     sp = spotipy.Spotify(auth_manager=SpotifyOAuth(scope=scope))
     sp.playlist(SPOTIFY_PLAYLIST_ID)
-    print(sp.playlist_replace_items(SPOTIFY_PLAYLIST_ID, spotify_links))
+    
+    # clean playlist itself from spotify links
+    spotify_links = [s for s in spotify_links if not s.startswith('https://open.spotify.com/playlist/')]
+
+    # paginated update of spotify playlist
+    for i, sublist in enumerate(_split_seq(spotify_links, 100)):
+        if i==0:
+            sp.playlist_replace_items(SPOTIFY_PLAYLIST_ID, sublist)
+        else:
+            sp.playlist_add_items(SPOTIFY_PLAYLIST_ID, sublist)
 
 
 if __name__ == '__main__':