PamGram/core/dependence/mysql.py
洛水居室 233e7ab58d
♻️ PaiGram V4
Co-authored-by: luoshuijs <luoshuijs@outlook.com>
Co-authored-by: Karako <karakohear@gmail.com>
Co-authored-by: xtaodada <xtao@xtaolink.cn>
2023-03-14 09:27:22 +08:00

51 lines
1.4 KiB
Python

import contextlib
from typing import Optional
from sqlalchemy.engine import URL
from sqlalchemy.ext.asyncio import create_async_engine
from sqlalchemy.orm import sessionmaker
from typing_extensions import Self
from core.base_service import BaseService
from core.config import ApplicationConfig
from core.sqlmodel.session import AsyncSession
__all__ = ("MySQL",)
class MySQL(BaseService.Dependence):
@classmethod
def from_config(cls, config: ApplicationConfig) -> Self:
return cls(**config.mysql.dict())
def __init__(
self,
host: Optional[str] = None,
port: Optional[int] = None,
username: Optional[str] = None,
password: Optional[str] = None,
database: Optional[str] = None,
):
self.database = database
self.password = password
self.username = username
self.port = port
self.host = host
self.url = URL.create(
"mysql+asyncmy",
username=self.username,
password=self.password,
host=self.host,
port=self.port,
database=self.database,
)
self.engine = create_async_engine(self.url)
self.Session = sessionmaker(bind=self.engine, class_=AsyncSession)
@contextlib.asynccontextmanager
async def session(self) -> AsyncSession:
yield self.Session()
async def shutdown(self):
self.Session.close_all()