from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker # MYSQL SQLALCHEMY_DATABASE_URL = "mysql+pymysql://root:123456@localhost/wr_user_admin?charset=utf8mb4" engine = create_engine(SQLALCHEMY_DATABASE_URL) SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base = declarative_base()