Files
Anton_wireframe/app/db/db.py
T

50 lines
1.2 KiB
Python

import os
from pathlib import Path
from typing import Annotated
from fastapi import Depends
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import Session, sessionmaker
Base = declarative_base()
# Database configuration
# Use the preprocessor's database for consistency
# Get absolute path to the preprocessor database
APP_DIR = Path(__file__).parent.parent
PREPROCESSOR_DB = APP_DIR.parent / "preprocessor" / "version_two.db"
DATABASE_URL = os.getenv("DATABASE_URL", f"sqlite:///{PREPROCESSOR_DB}")
# Create engine
engine = create_engine(DATABASE_URL, echo=False)
# Create session factory
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()
db_dependency = Annotated[Session, Depends(get_db)]
def init_database():
"""Initialize the database by creating all tables"""
Base.metadata.create_all(bind=engine)
def get_session_sync() -> Session:
"""Get a database session for synchronous operations"""
return SessionLocal()
def get_db_session():
"""Get a database session for direct use."""
return SessionLocal()