安装python 2.7条件下的pip环境

 wget https://pypi.python.org/packages/ff/d4/209f4939c49e31f5524fa0027bf1c8ec3107abaf7c61fdaad704a648c281/setuptools-21.0.0.tar.gz#md5=81964fdb89534118707742e6d1a1ddb4
tar -xf setuptools-21.0.0.tar.gz

cd setuptools-21.0.0

python setup.py install

wget https://pypi.python.org/packages/41/27/9a8d24e1b55bd8c85e4d022da2922cb206f183e2d18fee4e320c9547e751/pip-8.1.1.tar.gz#md5=6b86f11841e89c8241d689956ba99ed7
 tar -xf pip-8.1.1.tar.gz
cd pip-8.1.1
python setup.py install