add deprecation warnings and FAQ to respond to Spotify's API changes

CHANGELOG.md

@@ -19,6 +19,14 @@ Add your changes below.
 - Added `personalized_playlist.py`, `track_recommendations.py`, and `audio_features_analysis.py` to `/examples`.
 - Discord badge in README
 - Added `SpotifyBaseException` and moved all exceptions to `exceptions.py`
+- Marked the following methods as deprecated:
+  - artist_related_artists
+  - recommendations
+  - audio_features
+  - audio_analysis
+  - featured_playlists
+  - category_playlists
+- Added FAQ entry for inaccessible playlists
 
 ### Fixed
 - Audiobook integration tests

FAQ.md

@@ -74,3 +74,9 @@ sp = spotipy.Spotify(
 )
 ```
 The error raised is a `spotipy.exceptions.SpotifyException`
+
+### I get a 404 when trying to access a Spotify-owned playlist
+
+Spotify has begun restricting access to algorithmic and Spotify-owned editorial playlists.
+Only applications with an existing extended mode will still have access to these playlists.
+Read more about this change here: [Introducing some changes to our Web API](https://developer.spotify.com/blog/2024-11-27-changes-to-the-web-api)

spotipy/client.py

@@ -458,6 +458,11 @@ def artist_related_artists(self, artist_id):
             Parameters:
                 - artist_id - the artist ID, URI or URL
         """
+        warnings.warn(
+            "You're using `artist_related_artists(...)`, "
+            "which is marked as deprecated by Spotify.",
+            DeprecationWarning
+        )
         trid = self._get_id("artist", artist_id)
         return self._get("artists/" + trid + "/related-artists")
 
@@ -1587,6 +1592,11 @@ def featured_playlists(
                   (the first object). Use with limit to get the next set of
                   items.
         """
+        warnings.warn(
+            "You're using `featured_playlists(...)`, "
+            "which is marked as deprecated by Spotify.",
+            DeprecationWarning,
+        )
         return self._get(
             "browse/featured-playlists",
             locale=locale,
@@ -1671,6 +1681,11 @@ def category_playlists(
                   (the first object). Use with limit to get the next set of
                   items.
         """
+        warnings.warn(
+            "You're using `category_playlists(...)`, "
+            "which is marked as deprecated by Spotify.",
+            DeprecationWarning,
+        )
         return self._get(
             "browse/categories/" + category_id + "/playlists",
             country=country,
@@ -1708,6 +1723,12 @@ def recommendations(
                     attributes listed in the documentation, these values
                     provide filters and targeting on results.
         """
+        warnings.warn(
+            "You're using `recommendations(...)`, "
+            "which is marked as deprecated by Spotify.",
+            DeprecationWarning,
+        )
+
         params = dict(limit=limit)
         if seed_artists:
             params["seed_artists"] = ",".join(
@@ -1754,6 +1775,11 @@ def audio_analysis(self, track_id):
             Parameters:
                 - track_id - a track URI, URL or ID
         """
+        warnings.warn(
+            "You're using `audio_analysis(...)`, "
+            "which is marked as deprecated by Spotify.",
+            DeprecationWarning,
+        )
         trid = self._get_id("track", track_id)
         return self._get("audio-analysis/" + trid)
 
@@ -1762,6 +1788,12 @@ def audio_features(self, tracks=[]):
             Parameters:
                 - tracks - a list of track URIs, URLs or IDs, maximum: 100 ids
         """
+        warnings.warn(
+            "You're using `audio_features(...)`, "
+            "which is marked as deprecated by Spotify.",
+            DeprecationWarning,
+        )
+
         if isinstance(tracks, str):
             trackid = self._get_id("track", tracks)
             results = self._get("audio-features/?ids=" + trackid)

tests/integration/non_user_endpoints/test.py

@@ -73,34 +73,6 @@ def setUpClass(self):
             client_credentials_manager=SpotifyClientCredentials())
         self.spotify.trace = False
 
-    def test_audio_analysis(self):
-        result = self.spotify.audio_analysis(self.four_tracks[0])
-        assert ('beats' in result)
-
-    def test_audio_features(self):
-        results = self.spotify.audio_features(self.four_tracks)
-        self.assertTrue(len(results) == len(self.four_tracks))
-        for track in results:
-            assert ('speechiness' in track)
-
-    def test_audio_features_with_bad_track(self):
-        bad_tracks = ['spotify:track:bad']
-        input = self.four_tracks + bad_tracks
-        results = self.spotify.audio_features(input)
-        self.assertTrue(len(results) == len(input))
-        for track in results[:-1]:
-            if track is not None:
-                assert ('speechiness' in track)
-        self.assertTrue(results[-1] is None)
-
-    def test_recommendations(self):
-        results = self.spotify.recommendations(
-            seed_tracks=self.four_tracks,
-            min_danceability=0,
-            max_loudness=0,
-            target_popularity=50)
-        self.assertTrue(len(results['tracks']) == 20)
-
     def test_artist_urn(self):
         artist = self.spotify.artist(self.radiohead_urn)
         self.assertTrue(artist['name'] == 'Radiohead')
@@ -179,17 +151,6 @@ def test_artist_top_tracks(self):
         self.assertTrue('tracks' in results)
         self.assertTrue(len(results['tracks']) == 10)
 
-    def test_artist_related_artists(self):
-        results = self.spotify.artist_related_artists(self.weezer_urn)
-        self.assertTrue('artists' in results)
-        self.assertTrue(len(results['artists']) == 20)
-
-        found = False
-        for artist in results['artists']:
-            if artist['name'] == 'Jimmy Eat World':
-                found = True
-        self.assertTrue(found)
-
     def test_artist_search(self):
         results = self.spotify.search(q='weezer', type='artist')
         self.assertTrue('artists' in results)

tests/integration/user_endpoints/test.py

@@ -393,33 +393,6 @@ def test_categories_limit_high(self):
         response = self.spotify.categories(limit=50)
         self.assertLessEqual(len(response['categories']['items']), 50)
 
-    def test_category_playlists(self):
-        response = self.spotify.categories()
-        category = 'rock'
-        for cat in response['categories']['items']:
-            cat_id = cat['id']
-            if cat_id == category:
-                response = self.spotify.category_playlists(category_id=cat_id)
-                self.assertGreater(len(response['playlists']["items"]), 0)
-
-    def test_category_playlists_limit_low(self):
-        response = self.spotify.categories()
-        category = 'rock'
-        for cat in response['categories']['items']:
-            cat_id = cat['id']
-            if cat_id == category:
-                response = self.spotify.category_playlists(category_id=cat_id, limit=1)
-                self.assertEqual(len(response['categories']['items']), 1)
-
-    def test_category_playlists_limit_high(self):
-        response = self.spotify.categories()
-        category = 'rock'
-        for cat in response['categories']['items']:
-            cat_id = cat['id']
-            if cat_id == category:
-                response = self.spotify.category_playlists(category_id=cat_id, limit=50)
-                self.assertLessEqual(len(response['categories']['items']), 50)
-
     def test_new_releases(self):
         response = self.spotify.new_releases()
         self.assertGreater(len(response['albums']['items']), 0)
@@ -432,10 +405,6 @@ def test_new_releases_limit_high(self):
         response = self.spotify.new_releases(limit=50)
         self.assertLessEqual(len(response['albums']['items']), 50)
 
-    def test_featured_releases(self):
-        response = self.spotify.featured_playlists()
-        self.assertGreater(len(response['playlists']), 0)
-
 
 class SpotipyFollowApiTests(unittest.TestCase):
     @classmethod