35 lines
867 B
Python
35 lines
867 B
Python
"""数据库连接配置"""
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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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from config import DATABASE_URL
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# 根据数据库类型配置引擎参数
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if "sqlite" in DATABASE_URL:
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engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
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else:
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engine = create_engine(
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DATABASE_URL,
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pool_size=10,
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max_overflow=20,
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pool_recycle=3600,
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pool_pre_ping=True,
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)
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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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"""获取数据库会话的依赖注入"""
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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 init_db():
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"""初始化数据库，创建所有表"""
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Base.metadata.create_all(bind=engine)
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