34 lines
935 B
Python
34 lines
935 B
Python
from pathlib import Path
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from sqlalchemy import create_engine
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from sqlalchemy.orm import DeclarativeBase, Session, sessionmaker
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DATA_DIR = Path(__file__).resolve().parent.parent.parent / "data"
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DATA_DIR.mkdir(exist_ok=True)
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DB_PATH = DATA_DIR / "planner.db"
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engine = create_engine(f"sqlite:///{DB_PATH}", echo=False)
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SessionLocal = sessionmaker(bind=engine, class_=Session, expire_on_commit=False)
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class Base(DeclarativeBase):
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pass
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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def switch_database(db_path: Path):
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"""Hot-swap the active database engine and session factory."""
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global engine, SessionLocal, DB_PATH
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DB_PATH = db_path
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engine.dispose()
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engine = create_engine(f"sqlite:///{db_path}", echo=False)
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SessionLocal = sessionmaker(bind=engine, class_=Session, expire_on_commit=False)
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Base.metadata.create_all(bind=engine)
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return engine
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