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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
from contextlib import contextmanager
from webapp.app.config import settings
# Create SQLite engine
engine = create_engine(
settings.database_url,
connect_args={"check_same_thread": False}, # Needed for SQLite
echo=settings.debug,
)
# Session factory
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
# Base class for models
Base = declarative_base()
def init_db():
"""Initialize database tables."""
from webapp.app.models.job import Job # noqa: F401
from webapp.app.models.user import User # noqa: F401
Base.metadata.create_all(bind=engine)
def get_db():
"""Dependency to get database session."""
db = SessionLocal()
try:
yield db
finally:
db.close()
@contextmanager
def get_db_session():
"""Context manager for database session."""
db = SessionLocal()
try:
yield db
db.commit()
except Exception:
db.rollback()
raise
finally:
db.close()
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