from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

# 使用 mysqlclient
# SQLALCHEMY_DATABASE_URL = "mysql://username:password@localhost/weather_db"

# 使用 PyMySQL
SQLALCHEMY_DATABASE_URL = "mysql+pymysql://hackrobot:Xiao4669805@101.42.43.245:3400/hackrobot"

engine = create_engine(SQLALCHEMY_DATABASE_URL, pool_pre_ping=True)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

Base = declarative_base()