Update app.py

app.py

@@ -1,45 +1,53 @@
 import os, gradio as gr, requests
 
-# Toma las creds
 CID = os.getenv("SPOTIFY_CLIENT_IDS", "").split(',')[0]
 CSEC = os.getenv("SPOTIFY_CLIENT_SECRETS", "").split(',')[0]
 
-def test_playlist_info(url_playlist):
+def fetch_public_playlist(url):
     # 1) Auth
     if not (CID and CSEC):
-        return "❌ Faltan credenciales"
-    r = requests.post(
+        return "❌ Faltan creds SPOTIFY_CLIENT_IDS o SPOTIFY_CLIENT_SECRETS"
+    tr = requests.post(
         "https://accounts.spotify.com/api/token",
-        headers={"Content-Type":"application/x-www-form-urlencoded"},
         data={"grant_type":"client_credentials"},
         auth=(CID, CSEC)
     )
-    if r.status_code != 200:
-        return f"❌ Error token {r.status_code}"
-    token = r.json().get("access_token")
+    if tr.status_code != 200:
+        return f"❌ Token error {tr.status_code}"
+    token = tr.json().get("access_token")
     
-    # 2) ID limpio
-    pid = url_playlist.rstrip('/').split('/')[-1].split('?')[0]
+    # 2) Extraemos ID
+    pid = url.strip().rstrip('/').split('/')[-1].split('?')[0]
+    if len(pid) != 22:
+        return f"❌ ID inválido: '{pid}' (len={len(pid)})"
     
-    # 3) Metadata endpoint
-    resp = requests.get(
+    # 3) Metadata
+    meta = requests.get(
         f"https://api.spotify.com/v1/playlists/{pid}",
         headers={"Authorization":f"Bearer {token}"}
     )
-    if resp.status_code == 200:
-        d = resp.json()
-        name = d.get("name","?")
-        total = d.get("tracks",{}).get("total","?")
-        return f"✅ Playlist “{name}”: {total} tracks"
-    else:
-        return f"❌ Error {resp.status_code}: {resp.json()}"
+    if meta.status_code != 200:
+        return f"❌ No pública o no existe: status {meta.status_code}"
+    data = meta.json()
+    name = data.get("name","?")
+    total = data.get("tracks",{}).get("total","?")
+    
+    # 4) Tracks (ejemplo, límite 5 para demo)
+    tracks = requests.get(
+        f"https://api.spotify.com/v1/playlists/{pid}/tracks",
+        headers={"Authorization":f"Bearer {token}"},
+        params={"limit":5}
+    ).json().get("items",[])
+    titles = [t["track"]["name"] for t in tracks if t.get("track")]
+    
+    return f"✅ “{name}”: {total} tracks\n🎵 Muestra: {titles}"
 
 iface = gr.Interface(
-    fn=test_playlist_info,
-    inputs=gr.Textbox(label="URL de Playlist"),
+    fn=fetch_public_playlist,
+    inputs=gr.Textbox(label="URL de playlist"),
     outputs="text",
-    title="🔍 Test Info Playlist",
-    description="Chequea nombre y total de tracks de una playlist pública"
+    title="🔎 Checa playlist pública",
+    description="Solo funciona con playlists públicas"
 )
 
 if __name__=="__main__":