48 lines
1.1 KiB
Python
48 lines
1.1 KiB
Python
from sqlalchemy import create_engine
|
|
from sqlalchemy.orm import sessionmaker, declarative_base
|
|
from sqlalchemy.exc import SQLAlchemyError
|
|
from fastapi import HTTPException
|
|
from .settings import settings
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
DATABASE_URL = settings.DATABASE_URL
|
|
|
|
connect_args = {"connect_timeout": 10}
|
|
if settings.DB_SSL:
|
|
connect_args["sslmode"] = "require"
|
|
|
|
engine = create_engine(
|
|
DATABASE_URL,
|
|
pool_pre_ping=True,
|
|
pool_recycle=300,
|
|
pool_size=20,
|
|
max_overflow=30,
|
|
pool_timeout=30,
|
|
pool_reset_on_return='commit',
|
|
connect_args=connect_args,
|
|
echo=False,
|
|
future=True
|
|
)
|
|
|
|
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
|
|
Base = declarative_base()
|
|
|
|
def get_db():
|
|
db = SessionLocal()
|
|
try:
|
|
yield db
|
|
except HTTPException:
|
|
raise
|
|
except SQLAlchemyError as e:
|
|
logger.error(f"Database error: {e}")
|
|
db.rollback()
|
|
raise
|
|
except Exception as e:
|
|
logger.error(f"Unexpected database session error: {e}")
|
|
db.rollback()
|
|
raise
|
|
finally:
|
|
db.close()
|