49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
from sqlalchemy.ext.asyncio import create_async_engine
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from sqlalchemy.ext.asyncio import AsyncEngine
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from sqlalchemy.ext.asyncio import async_sessionmaker
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from sqlalchemy.ext.asyncio import AsyncSession
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from typing import AsyncGenerator
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from settings import settings
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class DatabaseHelper:
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def __init__(
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self,
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url: str,
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echo: bool = False,
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echo_pool: bool = False,
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max_overflow: int = 10,
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pool_size: int = 5,
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):
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self.engine: AsyncEngine = create_async_engine(
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url=url,
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echo=echo,
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echo_pool=echo_pool,
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max_overflow=max_overflow,
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pool_size=pool_size,
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)
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self.session_factory: async_sessionmaker[AsyncSession] = async_sessionmaker(
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bind=self.engine,
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autoflush=False,
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autocommit=False,
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expire_on_commit=False,
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)
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async def dispose(self) -> None:
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await self.engine.dispose()
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async def session_getter(self) -> AsyncGenerator[AsyncSession, None]:
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async with self.session_factory() as session:
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yield session
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db_helper = DatabaseHelper(
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url=str(settings.db.url),
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echo=settings.db.echo,
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echo_pool=settings.db.echo_pool,
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max_overflow=settings.db.max_overflow,
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pool_size=settings.db.pool_size,
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)
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