mirror of
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52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
import contextlib
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from typing import Optional
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from sqlalchemy.engine import URL
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from sqlalchemy.ext.asyncio import create_async_engine
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from sqlalchemy.orm import sessionmaker
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from sqlmodel.ext.asyncio.session import AsyncSession
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from typing_extensions import Self
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from gram_core.base_service import BaseService
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from gram_core.config import ApplicationConfig
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__all__ = ("Database",)
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class Database(BaseService.Dependence):
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@classmethod
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def from_config(cls, config: ApplicationConfig) -> Self:
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return cls(**config.database.dict())
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def __init__(
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self,
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driver_name: str,
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host: Optional[str] = None,
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port: Optional[int] = None,
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username: Optional[str] = None,
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password: Optional[str] = None,
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database: Optional[str] = None,
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):
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self.database = database # skipcq: PTC-W0052
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self.password = password
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self.username = username
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self.port = port
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self.host = host
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self.url = URL.create(
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driver_name,
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username=self.username,
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password=self.password,
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host=self.host,
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port=self.port,
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database=self.database,
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)
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self.engine = create_async_engine(self.url)
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self.Session = sessionmaker(bind=self.engine, class_=AsyncSession)
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@contextlib.asynccontextmanager
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async def session(self) -> AsyncSession:
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yield self.Session()
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async def shutdown(self):
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self.Session.close_all()
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