Protect against KeyError in get_playlists

Not all implementations return the internal 'playlist' key with an empty
array, some omit the key entirely. Protect against raising a KeyError by
checking presence.

Signed-off-by: Eric B Munson <eric@munsonfam.org>

Author: khers

CHANGELOG.md

@@ -1,3 +1,9 @@
+##7.0.4
+
+Check for 'playlist' item inside 'playlists' when invoking get_playlists end point. Not all servers
+include an empty array and some omit the internal key entirely. Protect against raising a KeyError
+by checking for presence.
+
 ##7.0.3
 
 Remove insecure flag from Connection object. This was vestigial from the Requests library refactor

src/libopensonic/_version.py

@@ -17,4 +17,4 @@
 
 
 #Semantic versioning string for the library
-__version__ = '7.0.3'
+__version__ = '7.0.4'

src/libopensonic/connection.py

@@ -1271,7 +1271,10 @@ def get_playlists(self, username:str|None=None) -> list[Playlist]:
         res = self._do_request(method, q)
         dres = self._handle_info_res(res)
         self._check_status(dres)
-        return [Playlist.from_dict(entry) for entry in dres['playlists']['playlist']]
+        if 'playlist' in dres['playlists']:
+            return [Playlist.from_dict(entry) for entry in dres['playlists']['playlist']]
+        else:
+            return [] 
 
 
     def get_play_queue(self) -> PlayQueue: