可以将包安装在任意目录，在python2.4下将MySQLdb安装在~/opt目录中．
mkdir -p ${HOME}/opt/lib/python2.4/site-packages/
echo "PYTHONPATH=\$PYTHONPATH:\${HOME}/opt/lib/python2.4/site-packages/" >> ~/.bashrc
echo "export PYTHONPATH" >> ~/.bashrc
echo "export PATH=\$PATH:\${HOME}/opt/bin" >> ~/.bashrc
source ~/.bashrc
easy_install --prefix=${HOME}/opt MySQL-python