fix: parse spotapi playlist response structure (data.playlistV2.content.items)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/spotify_resolve.py

@@ -105,20 +105,32 @@ def resolve(sp_type, sp_id):
     if not cls_name:
         raise Exception(f'spotapi has no playlist class (available: {available})')
     pl = getattr(sp_mod, cls_name)(url)
-    pl_meta = pl.get_playlist_info(limit=1)
+
-    eprint(f'[spotapi] playlist first-page type={type(pl_meta).__name__}')
+    def _pl_items(page):
+        """Extract items list from partner API response: data.playlistV2.content.items"""
+        if isinstance(page, list): return page
+        d = page.get('data') or {}
+        pl2 = d.get('playlistV2') or {}
+        content = pl2.get('content') or {}
+        return content.get('items') or page.get('items') or page.get('tracks') or []
+
+    def _pl_meta(page):
+        """Extract playlist metadata from partner API response"""
+        if not isinstance(page, dict): return {}, {}, []
+        d = page.get('data') or {}
+        pl2 = d.get('playlistV2') or {}
+        attrs = pl2.get('attributes') or pl2
+        owner_obj = pl2.get('ownerV2') or pl2.get('owner') or {}
+        owner_data = owner_obj.get('data') or owner_obj
+        imgs = (pl2.get('images') or {}).get('items') or []
+        return attrs, owner_data, imgs
 
     tracks, skipped, offset = [], 0, 0
+    first_page = None
     while True:
         page  = pl.get_playlist_info(limit=100, offset=offset)
-        if offset == 0:
+        if first_page is None: first_page = page
-            eprint(f'[spotapi] page0 type={type(page).__name__} keys={list(page.keys()) if isinstance(page, dict) else "list"}')
+        items = _pl_items(page)
-            if isinstance(page, dict):
-                for k, v in page.items():
-                    eprint(f'[spotapi]   page0[{k!r}] = {type(v).__name__} {repr(v)[:120]}')
-            elif isinstance(page, list) and page:
-                eprint(f'[spotapi]   page0[0] = {repr(page[0])[:200]}')
-        items = page if isinstance(page, list) else (page.get('items') or page.get('tracks') or [])
         if not items: break
         for item in items:
             typename = (item.get('itemV2') or {}).get('data', {}).get('__typename', '')
@@ -130,11 +142,10 @@ def resolve(sp_type, sp_id):
         offset += len(items)
         time.sleep(0.3)
 
-    name = owner = art = ''
+    attrs, owner_data, imgs = _pl_meta(first_page or {})
-    if isinstance(pl_meta, dict):
+    name  = attrs.get('name', '') or attrs.get('title', '')
-        name  = pl_meta.get('name', '')
+    owner = owner_data.get('name', '') or owner_data.get('displayName', '')
-        owner = pl_meta.get('owner', '') or pl_meta.get('owner_name', '')
+    art   = imgs[0].get('url', '') if imgs else ''
-        art   = pl_meta.get('image', '') or pl_meta.get('cover', '')
 
     eprint(f'[spotapi] playlist ok — {len(tracks)} tracks')
     return {'type': 'playlist', 'name': name, 'artist': owner,