PATH="/usr/local/mysql/bin:${PATH}"
export PATH
export DYLD_LIBRARY_PATH=/usr/local/mysql/lib/
export VERSIONER_PYTHON_PREFER_64_BIT=no
export VERSIONER_PYTHON_PREFER_32_BIT=yes
参考文档：http://www.cnblogs.com/ifantastic/archive/2013/04/13/3017677.html
mac安装sudo pip install MySQL-python报错EnvironmentError: mysql_config not found解决方法
原文：http://www.cnblogs.com/doublehappyi/p/5786041.html