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"""
Database configuration and session management
"""
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import os
from app.config import settings
# Ensure data directory exists
os.makedirs("data", exist_ok=True)
# Create engine
engine = create_engine(
settings.database_url,
connect_args={"check_same_thread": False} # Needed for SQLite
)
# Session factory
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
# Base class for models
Base = declarative_base()
def get_db():
"""Dependency to get database session"""
db = SessionLocal()
try:
yield db
finally:
db.close()
def init_db():
"""Initialize database tables"""
Base.metadata.create_all(bind=engine)
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