最后Stackoverflow上面的大神解决了问题：
https://stackoverflow.com/questions/12218229/my-config-h-file-not-found-when-intall-mysql-python-on-osx-10-8/12233148
brew install mysql
brew unlink mysql
brew install mysql-connector-c
sed -i -e 's/libs="libs -lmysqlclient -lssl -lcrypto"/g' /usr/local/bin/mysql_config
pip install MySQL-python
brew unlink mysql-connector-c
brew link --overwrite mysql
