fix deezer pagination

See #4180, and #4198.

beetsplug/deezer.py

@@ -77,11 +77,16 @@ class DeezerPlugin(MetadataSourcePlugin, BeetsPlugin):
                 "by {} API: '{}'".format(self.data_source, release_date)
             )
 
-        tracks_data = requests.get(
+        tracks_obj = requests.get(
             self.album_url + deezer_id + '/tracks'
-        ).json()['data']
+        ).json()
+        tracks_data = tracks_obj['data']
         if not tracks_data:
             return None
+        while "next" in tracks_obj:
+            tracks_obj = requests.get(tracks_obj['next']).json()
+            tracks_data.extend(tracks_obj['data'])
+
         tracks = []
         medium_totals = collections.defaultdict(int)
         for i, track_data in enumerate(tracks_data, start=1):

docs/changelog.rst

@@ -12,7 +12,8 @@ New features:
   :bug:`4101`
 
 Bug fixes:
-
+* :doc:`/plugins/deezer`: Fix auto tagger pagination issues (fetch beyond the
+  first 25 tracks of a release).
 * :doc:`/plugins/lyrics`: Fix Genius search by using query params instead of body.
 * :doc:`/plugins/unimported`: The new ``ignore_subdirectories`` configuration
   option added in 1.6.0 now has a default value if it hasn't been set.