Files
Meepoljdx 78dad3021a Add postgresql database support (#475)
* feat: add postgresql db supports

* change: change mysql conn str create way

* fix: Modify the default alembic migration file to meet multi-database support

* Update settings and lint

* update models

* Simplify database config

* Simplify the get db method

* Update create db url

* Updated model type adaptation

* Update sql scripts

* Fix models type

* Adaptation to postgresql code generation

* Update README.md

* Fix alembic file template

* Update docker scripts
2024-12-25 22:04:04 +08:00

65 lines
1.7 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import sys
from redis.asyncio import Redis
from redis.exceptions import AuthenticationError, TimeoutError
from backend.common.log import log
from backend.core.conf import settings
class RedisCli(Redis):
def __init__(self):
super(RedisCli, self).__init__(
host=settings.REDIS_HOST,
port=settings.REDIS_PORT,
password=settings.REDIS_PASSWORD,
db=settings.REDIS_DATABASE,
socket_timeout=settings.REDIS_TIMEOUT,
decode_responses=True, # 转码 utf-8
)
async def open(self):
"""
触发初始化连接
:return:
"""
try:
await self.ping()
except TimeoutError:
log.error('❌ 数据库 redis 连接超时')
sys.exit()
except AuthenticationError:
log.error('❌ 数据库 redis 连接认证失败')
sys.exit()
except Exception as e:
log.error('❌ 数据库 redis 连接异常 {}', e)
sys.exit()
async def delete_prefix(self, prefix: str, exclude: str | list = None):
"""
删除指定前缀的所有key
:param prefix:
:param exclude:
:return:
"""
keys = []
async for key in self.scan_iter(match=f'{prefix}*'):
if isinstance(exclude, str):
if key != exclude:
keys.append(key)
elif isinstance(exclude, list):
if key not in exclude:
keys.append(key)
else:
keys.append(key)
if keys:
await self.delete(*keys)
# 创建 redis 客户端单例
redis_client: RedisCli = RedisCli()