wendajia/backend/app/database.py

28 lines
683 B
Python

from pathlib import Path
from sqlalchemy import create_engine
from sqlalchemy.orm import DeclarativeBase, sessionmaker
from .config import settings
class Base(DeclarativeBase):
pass
if settings.database_url.startswith("sqlite"):
Path(settings.database_url.replace("sqlite:///", "")).parent.mkdir(parents=True, exist_ok=True)
engine = create_engine(settings.database_url, connect_args={"check_same_thread": False})
else:
engine = create_engine(settings.database_url, pool_pre_ping=True)
SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False)
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()