src/skill_evaluator/database.py

from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
from sqlalchemy.orm import DeclarativeBase
from .config import settings

engine = create_async_engine(settings.database_url, echo=False)
AsyncSessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)

class Base(DeclarativeBase):
    pass

async def get_db():
    async with AsyncSessionLocal() as session:
        yield session

async def init_db():
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)