wget --no-check-certificate https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz#md5=3a73c4188f8dbad6a1e6f6d44d117eeb
tar -zxvf pip-8.0.2.tar.gz
cd pip-8.0.2
python3 setup.py build
python3 setup.py install
PS:http://blog.csdn.net/jinruoyanxu/article/details/53947570中提到的可以装,可是会安装到系统默认的Python版本上