Initial commit

backend/app/logging_config.py

@@ -0,0 +1,41 @@
+import logging
+import os
+from logging.handlers import RotatingFileHandler
+from typing import Optional
+
+
+def configure_logging(log_level: Optional[str], log_file: Optional[str]) -> None:
+    level_name = (log_level or "INFO").upper()
+    level = getattr(logging, level_name, logging.INFO)
+
+    handlers: list[logging.Handler] = []
+    stream_handler = logging.StreamHandler()
+    handlers.append(stream_handler)
+
+    if log_file:
+        log_path = log_file
+        if not os.path.isabs(log_path):
+            log_path = os.path.join(os.getcwd(), log_path)
+        os.makedirs(os.path.dirname(log_path), exist_ok=True)
+        file_handler = RotatingFileHandler(
+            log_path, maxBytes=2_000_000, backupCount=3, encoding="utf-8"
+        )
+        handlers.append(file_handler)
+
+    formatter = logging.Formatter(
+        fmt="%(asctime)s | %(levelname)s | %(name)s | %(message)s",
+        datefmt="%Y-%m-%d %H:%M:%S",
+    )
+    for handler in handlers:
+        handler.setFormatter(formatter)
+
+    root = logging.getLogger()
+    for handler in list(root.handlers):
+        root.removeHandler(handler)
+    for handler in handlers:
+        root.addHandler(handler)
+    root.setLevel(level)
+
+    logging.getLogger("uvicorn").setLevel(level)
+    logging.getLogger("uvicorn.error").setLevel(level)
+    logging.getLogger("uvicorn.access").setLevel(level)