langchain done cli

services/rag/langchain/cli.py

@@ -0,0 +1,32 @@
+import click
+from loguru import logger
+import os
+from pathlib import Path
+
+
+# Configure logging to output to both file and stdout as specified in requirements
+def setup_logging():
+    # Create logs directory if it doesn't exist
+    logs_dir = Path("logs")
+    logs_dir.mkdir(exist_ok=True)
+    
+    # Add file logging with rotation
+    logger.add("logs/dev.log", rotation="10 MB", retention="10 days")
+    
+
+@click.group()
+def cli():
+    """Main CLI group"""
+    setup_logging()
+    pass
+
+
+@cli.command(name="ping", help="Ping command that outputs pong")
+def ping():
+    """Ping command that outputs pong"""
+    logger.info("Ping command executed")
+    click.echo("pong")
+
+
+if __name__ == "__main__":
+    cli()