mac python3 安装mysqlclient

brew install openssl
export LIBRARY_PATH=$LIBRARY_PATH:/usr/local/opt/openssl/lib/ 

pip  install mysqlclient

 cent os

# linux 前置条件
sudo apt-get install python3-dev # debian / Ubuntu
sudo yum install python3-devel # Red Hat / CentOS
brew install mysql-connector-c # macOS (Homebrew)

pip install mysqlclient