utils/logger.py

import logging
import os
from datetime import datetime
from logging.handlers import RotatingFileHandler

def setup_logger(name="botty"):
    # Create logs directory if it doesn't exist
    if not os.path.exists('logs'):
        os.makedirs('logs')

    # Configure logger
    logger = logging.getLogger(name)
    logger.setLevel(logging.DEBUG)

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

    # File handler (rotating, max 5MB per file, keep 5 backup files)
    file_handler = RotatingFileHandler(
        f'logs/botty_{datetime.now().strftime("%Y%m%d")}.log',
        maxBytes=5*1024*1024,
        backupCount=5
    )
    file_handler.setLevel(logging.DEBUG)
    file_handler.setFormatter(file_formatter)

    # Console handler
    console_handler = logging.StreamHandler()
    console_handler.setLevel(logging.INFO)
    console_handler.setFormatter(console_formatter)

    # Add handlers to logger
    logger.addHandler(file_handler)
    logger.addHandler(console_handler)

    return logger