second version

backend/app/ws_log_handler.py

@@ -0,0 +1,25 @@
+import asyncio
+import logging
+from datetime import datetime, timezone
+
+from .ws_manager import manager
+
+
+class WSLogHandler(logging.Handler):
+    """Posílá log záznamy přes WebSocket všem připojeným klientům /ws/logs."""
+
+    def emit(self, record: logging.LogRecord) -> None:
+        try:
+            loop = asyncio.get_running_loop()
+        except RuntimeError:
+            return
+        ts = datetime.fromtimestamp(record.created, tz=timezone.utc).strftime("%H:%M:%S")
+        msg = {
+            "ts": ts,
+            "level": record.levelname,
+            "logger": record.name.split(".")[-1],
+            "msg": record.getMessage(),
+        }
+        loop.call_soon_threadsafe(
+            lambda: asyncio.ensure_future(manager.broadcast_log(msg))
+        )