feat: Refactor code and update project metadata

- Added a new key "song_url_list" to `song_info_dict` in the `SongsGen` class
- Removed the line that clears `song_info_dict["song_url_list"]` in the `_fetch_songs_metadata` method

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name="suno_songs",
-    version="0.5.0",
+    version="0.5.1",
     author="yihong0618",
     author_email="zouzou0208@gmail.com",
     description="High quality songs generation by suno.ai. Reverse engineered API.",

suno/suno.py

@@ -69,6 +69,7 @@ def __init__(self, cookie: str) -> None:
         self.retry_time = 0
         # make the song_info_dict global since we can get the lyrics and song name first
         self.song_info_dict = {}
+        self.song_info_dict["song_url_list"] = []
         # now data
         self.now_data = {}
 
@@ -142,7 +143,6 @@ def _parse_lyrics(self, data: dict) -> Tuple[str, str]:
         return song_name, lyrics
 
     def _fetch_songs_metadata(self, ids):
-        self.song_info_dict["song_url_list"] = []
         id1, id2 = ids[:2]
         url = f"https://studio-api.suno.ai/api/feed/?ids={id1}%2C{id2}"
         response = self.session.get(url, impersonate=browser_version)
@@ -173,6 +173,7 @@ def _fetch_songs_metadata(self, ids):
                     # for support old api
                     self.song_info_dict["song_url"] = d.get("audio_url")
                 return True
+            return False
         except Exception as e:
             print(e)
             # since we only get the music_id is ok