first commit

app/core/logger.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+import logging
+from pathlib import Path
+
+LOG_FORMAT = "%(asctime)s | %(levelname)-8s | %(name)s | %(message)s"
+
+
+def setup_logger(name: str, level: str = "INFO", log_file: str | None = None) -> logging.Logger:
+    logger = logging.getLogger(name)
+    logger.setLevel(getattr(logging, level.upper(), logging.INFO))
+
+    if not logger.handlers:
+        formatter = logging.Formatter(LOG_FORMAT, datefmt="%Y-%m-%d %H:%M:%S")
+
+        console = logging.StreamHandler()
+        console.setFormatter(formatter)
+        logger.addHandler(console)
+
+        if log_file:
+            log_path = Path(log_file)
+            log_path.parent.mkdir(parents=True, exist_ok=True)
+            file_handler = logging.FileHandler(log_file, encoding="utf-8")
+            file_handler.setFormatter(formatter)
+            logger.addHandler(file_handler)
+
+    return logger