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c857b85 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | """
UsTwo SQLite database setup.
Uses SQLAlchemy with SQLite — no external DB server needed.
DB file: data/ustwo.db (created automatically on first run).
"""
import os
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, DeclarativeBase
DATA_DIR = os.path.join(os.path.dirname(__file__), "..", "..", "data")
DATABASE_URL = f"sqlite:///{os.path.join(DATA_DIR, 'ustwo.db')}"
class Base(DeclarativeBase):
pass
engine = create_engine(DATABASE_URL, echo=False)
SessionLocal = sessionmaker(bind=engine)
def init_db():
"""Create all tables. Safe to call multiple times."""
os.makedirs(DATA_DIR, exist_ok=True)
from . import models # noqa: F401 — ensure models are registered
Base.metadata.create_all(bind=engine)
def get_db():
"""FastAPI dependency — yields a DB session, closes after request."""
db = SessionLocal()
try:
yield db
finally:
db.close()
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