"""Redis connections."""
from __future__ import print_function
from redis import StrictRedis

import config


def get_redis():
    """Get connection to Redis.

    Returns:
        StrictRedis: redis connection object

    """
    try:
        r = StrictRedis(
            host=config.REDIS_HOST,
            port=config.REDIS_PORT,
            db=config.REDIS_DB,
            password=config.REDIS_PASSWORD
        )
        return r
    except Exception as ex:
        print(ex)
        return None