Python：MySQL数据库环境相关问题

系统环境

Ubuntu 16.04.2 LTS

mysql Ver 14.14 Distrib 5.7.18, for Linux (x86_64) using  EditLine wrapper

Python 3.5.2

pip 9.0.1 from /usr/local/lib/python3.5/dist-packages (python 3.5)

查看Python相关模块版本

pip3 freeze

pip3 install module_name

pip3 uninstall module_name

使用virtualenv创建独立的Python运行环境

virtualenv --no-site-packages venv

source venv/bin/activate 进入virtualenv环境

deactivate 退出virtualenv环境

问题1：安装mysql-connector-python时出现“Unable to find Protobuf include directory”
https://stackoverflow.com/questions/43029672/unable-to-find-protobuf-include-directory

pip install mysql-connector==2.1.4