pip需要一个叫distribute的依赖，所以需先安装

http://python-distribute.org/distribute_setup.py

下载下来，然后执行

python distribute_setup.py

下载https://raw.github.com/pypa/pip/master/contrib/get-pip.py

安装

python get-pip.py

使用方法

pip install SomePackagepip search "query"pip install --upgrade SomePackagepip install --upgrade SomePackage==version