Update app.py

app.py

@@ -40,10 +40,17 @@ SPOTIFY_CREDENTIALS = os.getenv("SPOTIFY_CREDENTIALS")
 if not SPOTIFY_USERNAME or not SPOTIFY_CREDENTIALS:
     raise RuntimeError("Spotify credentials not found in environment variables")
 
+# Create a temporary credentials.json file
+CREDENTIALS_PATH = "/tmp/credentials.json"
+with open(CREDENTIALS_PATH, "w") as f:
+    json.dump({
+        "username": SPOTIFY_USERNAME,
+        "credentials": SPOTIFY_CREDENTIALS,
+        "type": "AUTHENTICATION_STORED_SPOTIFY_CREDENTIALS"
+    }, f)
+
 # Initialize Spotify client
-spo = SpoLogin(credentials_path=None)  # We'll pass credentials directly
-spo.username = SPOTIFY_USERNAME
-spo.credentials = SPOTIFY_CREDENTIALS
+spo = SpoLogin(credentials_path=CREDENTIALS_PATH)
 
 
 # 定义请求体模型