解决办法：
1.wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate
2.tar -xzvf pip-1.5.4.tar.gz -C /usr/local/
3.cd /usr/local/pip-1.5.4/
4.python setup.py install 执行报错
5.wget htttps://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c11.tar.gz
6.tar -zxvf setuptools-0.6c11.tar.gz -C /usr/local/
7.python setup.py build
8.python setup.py install
9.cd /usr/local/pip-1.5.4/
10.python setup.py install
pip安装完成。