logging_config.py

import logging
import sys
from pathlib import Path

def setup_logging(log_level: str = "INFO", log_file: str = None):
    '''
    Configure logging for the application
    
    Args:
        log_level: Logging level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
        log_file: Optional file path to write logs
    '''
    # Create logger
    logger = logging.getLogger('palm_reader')
    logger.setLevel(getattr(logging, log_level.upper()))
    
    # Console handler
    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setLevel(logging.DEBUG)
    
    # Formatter
    formatter = logging.Formatter(
        '%(asctime)s - %(name)s - %(levelname)s - %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    )
    console_handler.setFormatter(formatter)
    logger.addHandler(console_handler)
    
    # File handler (optional)
    if log_file:
        file_handler = logging.FileHandler(log_file)
        file_handler.setLevel(logging.DEBUG)
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)
    
    return logger

# Global logger instance
logger = setup_logging()