src/logging_config.py

"""Logging configuration for the application."""
import logging
import logging.handlers
import os
from datetime import datetime

def setup_logging(
    log_dir: str = "logs",
    log_level: int = logging.INFO
) -> None:
    """
    Configure application-wide logging.
    
    Args:
        log_dir: Directory to store log files
        log_level: Logging level to use
    """
    # Create logs directory
    os.makedirs(log_dir, exist_ok=True)
    
    # Create formatters
    file_formatter = logging.Formatter(
        '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
    )
    console_formatter = logging.Formatter(
        '%(levelname)s: %(message)s'
    )
    
    # Setup file handler with rotation
    log_file = os.path.join(
        log_dir,
        f"leaderboard_{datetime.now().strftime('%Y%m%d')}.log"
    )
    file_handler = logging.handlers.RotatingFileHandler(
        log_file,
        maxBytes=10485760,  # 10MB
        backupCount=5
    )
    file_handler.setFormatter(file_formatter)
    
    # Setup console handler
    console_handler = logging.StreamHandler()
    console_handler.setFormatter(console_formatter)
    
    # Setup root logger
    root_logger = logging.getLogger()
    root_logger.setLevel(log_level)
    root_logger.addHandler(file_handler)
    root_logger.addHandler(console_handler)
    
    # Create separate loggers for different components
    loggers = {
        'evaluation': logging.getLogger('evaluation'),
        'queue': logging.getLogger('queue'),
        'web': logging.getLogger('web'),
        'security': logging.getLogger('security')
    }
    
    # Configure component loggers
    for name, logger in loggers.items():
        logger.setLevel(log_level)
        
        # Create component-specific file handler
        component_log = os.path.join(log_dir, f"{name}.log")
        handler = logging.handlers.RotatingFileHandler(
            component_log,
            maxBytes=5242880,  # 5MB
            backupCount=3
        )
        handler.setFormatter(file_formatter)
        logger.addHandler(handler)