安装Connector/Python：
# wget http://cdn.mysql.com/Downloads/Connector-Python/mysql-connector-python-1.0.11.zip
# unzip mysql-connector-python-1.0.11.zip
# cd mysql-connector-python-1.0.11
# python setup.py install
测试Connector/Python是否装上：
>>> from distutils.sysconfig import get_python_lib
>>> print get_python_lib()
/usr/local/lib/python2.7/site-packages
小实例：
>>> cnx.close()