first commit

app/config.py

@@ -0,0 +1,62 @@
+import json
+import logging
+import os
+from logging.handlers import RotatingFileHandler
+from pathlib import Path
+
+APP_ROOT = Path(__file__).resolve().parents[1]
+SETTINGS_PATH = APP_ROOT / "settings.json"
+
+DEFAULTS = {
+    "can": {
+        "interface": "vcan0",
+        "resp_id": "0x7E8",
+        "timeout_ms": 200
+        },
+  "ui": {
+       "font_family": "DejaVu Sans",
+       "font_size": 10,
+       "window": {
+           "width": 1100,
+           "height": 720
+           }
+        },
+  "logging": {
+      "level": "INFO",
+      "file": "logs/app.log"
+      }
+}
+
+def load_settings():
+    cfg = DEFAULTS.copy()
+    if SETTINGS_PATH.exists():
+        try:
+            with open(SETTINGS_PATH, "r", encoding="utf-8") as f:
+                data = json.load(f)
+            # shallow merge
+            for k, v in data.items():
+                if isinstance(v, dict) and k in cfg:
+                    cfg[k].update(v)
+                else:
+                    cfg[k] = v
+        except Exception as e:
+            print("WARN: konnte settings.json nicht laden:", e)
+    return cfg
+
+def setup_logging(cfg):
+    level = getattr(logging, cfg["logging"].get("level", "INFO").upper(), logging.INFO)
+    log_file = cfg["logging"].get("file", "logs/app.log")
+    log_path = (APP_ROOT / log_file).resolve()
+    log_path.parent.mkdir(parents=True, exist_ok=True)
+    logger = logging.getLogger("configapp")
+    logger.setLevel(level)
+
+    handler = RotatingFileHandler(log_path, maxBytes=1_000_000, backupCount=2, encoding="utf-8")
+    fmt = logging.Formatter("%(asctime)s [%(levelname)s] %(message)s")
+    handler.setFormatter(fmt)
+    logger.addHandler(handler)
+
+    sh = logging.StreamHandler()
+    sh.setFormatter(fmt)
+    logger.addHandler(sh)
+    return logger