searxng/searx/engines/redis_server.py
2021-09-07 13:26:59 +02:00

76 lines
1.8 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
# lint: pylint
"""Redis engine (offline)
"""
import redis # pylint: disable=import-error
engine_type = 'offline'
# redis connection variables
host = '127.0.0.1'
port = 6379
password = ''
db = 0
# engine specific variables
paging = False
result_template = 'key-value.html'
exact_match_only = True
_redis_client = None
def init(_engine_settings):
global _redis_client # pylint: disable=global-statement
_redis_client = redis.StrictRedis(
host = host,
port = port,
db = db,
password = password or None,
decode_responses = True,
)
def search(query, _params):
global _redis_client # pylint: disable=global-statement
if not exact_match_only:
return search_keys(query)
ret = _redis_client.hgetall(query)
if ret:
ret['template'] = result_template
return [ret]
if ' ' in query:
qset, rest = query.split(' ', 1)
ret = []
for res in _redis_client.hscan_iter(
qset, match='*{}*'.format(rest)
):
ret.append({
res[0]: res[1],
'template': result_template,
})
return ret
return []
def search_keys(query):
global _redis_client # pylint: disable=global-statement
ret = []
for key in _redis_client.scan_iter(
match='*{}*'.format(query)
):
key_type = _redis_client.type(key)
res = None
if key_type == 'hash':
res = _redis_client.hgetall(key)
elif key_type == 'list':
res = dict(enumerate(_redis_client.lrange(key, 0, -1)))
if res:
res['template'] = result_template
res['redis_key'] = key
ret.append(res)
return ret