utils.py

import datetime

def log_message(message):
    """
    Logs a message with a timestamp.
    """
    timestamp = datetime.datetime.now().strftime("[%Y-%m-%d %H:%M:%S]")
    print(f"{timestamp} {message}")

def log_usage(fn):
    """
    Decorator to log function usage and errors.
    """
    def wrapped(*args, **kwargs):
        log_message(f"Calling {fn.__name__}...")
        try:
            result = fn(*args, **kwargs)
            log_message(f"{fn.__name__} executed successfully.")
            return result
        except Exception as e:
            log_message(f"Error in {fn.__name__}: {e}")
            raise
    return wrapped

def safe_run(fn, logger):
    """
    Wraps a function call with a try/except and logs any exceptions.
    """
    def wrapped(*args, **kwargs):
        try:
            return fn(*args, **kwargs)
        except Exception as e:
            logger(f"Error in {fn.__name__}: {e}")
            return None
    return wrapped