import logging
import mysql.connector

logger = logging.getLogger(__name__)

def connetti_db(cfg):
    """Establishes a connection to the MySQL database.

    Args:
        cfg: The configuration object containing database connection details.

    Returns:
        A MySQL database connection object.
    """
    try:
        conn = mysql.connector.connect(user=cfg.dbuser, password=cfg.dbpass, host=cfg.dbhost, port=cfg.dbport)
        conn.autocommit = True
        logger.info("Connected")
        return conn
    except mysql.connector.Error as e:
        logger.error(f'{e}')
        exit(e.errno)
    return None