support no profile and fresh install

pytorrent/services/websocket.py

@@ -68,13 +68,20 @@ def register_socketio_handlers(socketio):
             _started = True
         profile = active_profile()
         emit("connected", {"ok": True, "profile": profile})
-        if profile:
-            rows = torrent_cache.snapshot(profile["id"])
-            emit("torrent_snapshot", {"profile_id": profile["id"], "torrents": rows, "summary": cached_summary(profile["id"], rows)})
+        if not profile:
+            # Note: Fresh installs have no rTorrent yet; tell the client to show setup instead of waiting for a snapshot.
+            emit("profile_required", {"ok": True, "profiles": []})
+            return
+        rows = torrent_cache.snapshot(profile["id"])
+        emit("torrent_snapshot", {"profile_id": profile["id"], "torrents": rows, "summary": cached_summary(profile["id"], rows)})
 
     @socketio.on("select_profile")
     def handle_select_profile(data):
         profile_id = int((data or {}).get("profile_id") or 0)
+        if not profile_id:
+            # Note: Ignore empty profile selections created before the first rTorrent profile exists.
+            emit("profile_required", {"ok": True, "profiles": []})
+            return
         profile = get_profile(profile_id)
         if not profile:
             emit("rtorrent_error", {"error": "Profile does not exist"})