20 lines
605 B
Python
20 lines
605 B
Python
"""数据库初始化"""
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker, declarative_base
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from config import DATABASE_URL
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# check_same_thread 仅 SQLite 需要
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connect_args = {"check_same_thread": False} if DATABASE_URL.startswith("sqlite") else {}
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engine = create_engine(DATABASE_URL, connect_args=connect_args)
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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Base = declarative_base()
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def get_db():
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"""获取数据库会话（FastAPI 依赖注入用）"""
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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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