30 lines
670 B
Python
30 lines
670 B
Python
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from sqlalchemy import create_engine
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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import os
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# 确保数据目录存在
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DB_DIR = "data"
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os.makedirs(DB_DIR, exist_ok=True)
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# 数据库URL
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SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/app.db"
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# 创建引擎
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engine = create_engine(
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SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
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)
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# 创建会话
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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# 声明基类
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Base = declarative_base()
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# 获取数据库会话依赖项
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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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