import pymysql
from pymysql.cursors import DictCursor

import config


def get_ar_mysql_connection():
    """Get an art_relations mysql connection.

    Returns:
        db: The mysql connection instance
    """
    db = pymysql.connect(
        db=config.AR_MYSQL_DATABASE,
        host=config.AR_MYSQL_HOST,
        user=config.AR_MYSQL_USER,
        passwd=config.AR_MYSQL_PASSWORD,
        cursorclass=DictCursor)
    return db