33 lines
784 B
Python
33 lines
784 B
Python
from sqlalchemy import create_engine
|
|
from sqlalchemy.orm import sessionmaker, declarative_base
|
|
from contextlib import contextmanager
|
|
|
|
# Datenbank-URL (später besser aus Umgebungsvariable laden)
|
|
DATABASE_URL = "postgresql://postgres:bacchus@localhost:5432/bacchus"
|
|
|
|
engine = create_engine(DATABASE_URL)
|
|
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
|
|
|
|
Base = declarative_base()
|
|
|
|
# Dependency für FastAPI-Routen
|
|
def get_db():
|
|
db = SessionLocal()
|
|
try:
|
|
yield db
|
|
finally:
|
|
db.close()
|
|
|
|
# Optional: Kontextmanager für Skripte außerhalb von FastAPI
|
|
@contextmanager
|
|
def db_session():
|
|
db = SessionLocal()
|
|
try:
|
|
yield db
|
|
db.commit()
|
|
except:
|
|
db.rollback()
|
|
raise
|
|
finally:
|
|
db.close()
|