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# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""Implementation of the redis client (redis-py_).
.. _redis-py: https://github.com/redis/redis-py
This implementation uses the :ref:`settings redis` setup from ``settings.yml``.
A redis DB connect can be tested by::
>>> from searx.shared import redisdb
>>> redisdb.init()
True
>>> db = redisdb.client()
>>> db.set("foo", "bar")
True
>>> db.get("foo")
b'bar'
>>>
"""
import logging
import redis
from searx import get_setting
logger = logging.getLogger('searx.shared.redis')
def client():
return redis.Redis.from_url(get_setting('redis.url'))
def init():
try:
c = client()
logger.info("connected redis DB --> %s", c.acl_whoami())
return True
except redis.exceptions.ConnectionError as exc:
logger.error("can't connet redis DB ...")
logger.error(" %s", exc)
return False
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