fix: don't fail on missing playlist configuration

Don't fail but log a warning when the smartplaylist beets plugin is not enabled and the `playlist_dir` configuration option was not specified.

Author: mgoltzsche

beetsplug/beetstream/__init__.py

@@ -80,7 +80,10 @@ def func(lib, opts, args):
             app.config['never_transcode'] = self.config['never_transcode']
             playlist_dir = self.config['playlist_dir']
             if not playlist_dir:
-                playlist_dir = config['smartplaylist']['playlist_dir'].get()
+                try:
+                    playlist_dir = config['smartplaylist']['playlist_dir'].get()
+                except:
+                    pass
             app.config['playlist_dir'] = playlist_dir
 
             # Enable CORS if required.

beetsplug/beetstream/playlistprovider.py

@@ -20,6 +20,8 @@ def _refresh(self):
         app.logger.debug(f"Loaded {len(self._playlists)} playlists")
 
     def _load_playlists(self):
+        if not self.dir:
+            return
         paths = glob.glob(os.path.join(self.dir, "**.m3u8"))
         paths += glob.glob(os.path.join(self.dir, "**.m3u"))
         paths.sort()

beetsplug/beetstream/playlists.py

@@ -49,5 +49,8 @@ def _song(id):
     return map_song(g.lib.get_item(int(id)))
 
 def playlist_provider():
-    _playlist_provider.dir = app.config['playlist_dir']
+    if 'playlist_dir' in app.config:
+        _playlist_provider.dir = app.config['playlist_dir']
+    if not _playlist_provider.dir:
+        app.logger.warning('No playlist_dir configured')
     return _playlist_provider