src/utils/logger.py

"""
This module provides logging functionality for the application.
"""

import logging
from datetime import datetime
import os
from typing import Optional

def setup_logger(name: str = __name__, 
                log_file: Optional[str] = None,
                level: int = logging.INFO) -> logging.Logger:
    """
    Set up a logger with file and console handlers.
    
    Args:
        name: Logger name
        log_file: Optional log file path
        level: Logging level
        
    Returns:
        Configured logger
    """
    # Create logger
    logger = logging.getLogger(name)
    logger.setLevel(level)

    # Remove any existing handlers
    for handler in logger.handlers[:]:
        logger.removeHandler(handler)

    # Create formatters
    console_formatter = logging.Formatter(
        '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
    )
    file_formatter = logging.Formatter(
        '%(asctime)s - %(name)s - %(levelname)s - %(filename)s:%(lineno)d - %(message)s'
    )

    # Create console handler
    console_handler = logging.StreamHandler()
    console_handler.setFormatter(console_formatter)
    logger.addHandler(console_handler)

    # Create file handler if log_file specified
    if log_file:
        # Create logs directory if it doesn't exist
        os.makedirs(os.path.dirname(log_file), exist_ok=True)
        
        file_handler = logging.FileHandler(log_file)
        file_handler.setFormatter(file_formatter)
        logger.addHandler(file_handler)

    return logger

# Create default logger
logger = setup_logger(
    name="codette",
    log_file="logs/codette.log",
    level=logging.INFO
)