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- from sqlalchemy import create_engine
- from sqlalchemy.orm import scoped_session, sessionmaker
- from sqlalchemy.ext.declarative import declarative_base
- engine = create_engine('mysql+pymysql://root:cui,logic@127.0.0.1:3306/cp', convert_unicode=True)
- db_session = scoped_session(sessionmaker(autocommit=False,
- autoflush=False,
- bind=engine))
- Base = declarative_base()
- Base.query = db_session.query_property()
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- def init_db():
- # 在这里导入定义模型所需要的所有模块,这样它们就会正确的注册在
- # 元数据上。否则你就必须在调用 init_db() 之前导入它们。
- import APP.view.model
- Base.metadata.drop_all(bind=engine)
- Base.metadata.create_all(bind=engine)
-
- init_db()
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