Initial

custom_components/ha_washdata/log_utils.py

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+"""Logging utilities for WashData."""
+from __future__ import annotations
+
+import logging
+
+
+class DeviceLoggerAdapter(logging.LoggerAdapter):
+    """Logger adapter that prepends the device name to every log message.
+
+    Usage::
+
+        _LOGGER = logging.getLogger(__name__)
+
+        class MyClass:
+            def __init__(self, device_name: str) -> None:
+                self._logger = DeviceLoggerAdapter(_LOGGER, device_name)
+
+            def do_thing(self) -> None:
+                self._logger.info("Something happened")
+                # emits: "[My Device] Something happened"
+    """
+
+    def __init__(self, logger: logging.Logger, device_name: str) -> None:
+        super().__init__(logger, {"device_name": device_name})
+
+    def process(self, msg: str, kwargs: dict) -> tuple[str, dict]:
+        device = self.extra.get("device_name") or "unknown"  # type: ignore[union-attr]
+        return f"[{device}] {msg}", kwargs