day13 安装 sqlalchemy 连接数据库

# yum install -y mariadb-server
# systemctl enable mariadb
# systemctl start mariadb
# mkdir /root/.pip
# gedit /root/.pip/pip.conf
[global]
index-url = http://pypi.douban.com/simple/
[install]
trusted-host=pypi.douban.com
# pip3 install pymysql
#
# pip3 install sqlalchemy