37 lines
805 B
Python
37 lines
805 B
Python
from __future__ import annotations
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from contextlib import contextmanager
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from typing import Iterator
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from sqlalchemy import create_engine
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from sqlalchemy.orm import DeclarativeBase, Session, sessionmaker
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from app.config import config
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class Base(DeclarativeBase):
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pass
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engine = create_engine(config.database_url, pool_pre_ping=True, future=True)
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SessionLocal = sessionmaker(bind=engine, autoflush=False, expire_on_commit=False, future=True)
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def init_db() -> None:
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from app import models # noqa: F401
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Base.metadata.create_all(bind=engine)
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@contextmanager
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def session_scope() -> Iterator[Session]:
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session = SessionLocal()
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try:
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yield session
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session.commit()
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except Exception:
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session.rollback()
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raise
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finally:
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session.close()
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