# wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate

# tar -xzvf pip-1.5.4.tar.gz
# cd pip-1.5.4
# python setup.py install

# pip install SomePackage
 [...]
 Successfully installed SomePackage

# pip show --files SomePackage
 Name: SomePackage
 Version: 1.0
 Location: /my/env/lib/pythonx.x/site-packages
 Files:
 ../somepackage/__init__.py
 [...]

# pip list --outdated
 SomePackage (Current: 1.0 Latest: 2.0)

# pip install --upgrade SomePackage
 [...]
 Found existing installation: SomePackage 1.0
 Uninstalling SomePackage:
 Successfully uninstalled SomePackage
 Running setup.py install for SomePackage
 Successfully installed SomePackage

$ pip uninstall SomePackage
 Uninstalling SomePackage:
 /my/env/lib/pythonx.x/site-packages/somepackage
 Proceed (y/n)? y
 Successfully uninstalled SomePackage

# pip install redis

# pip uninstall redis
Uninstalling redis:
 /usr/lib/python2.6/site-packages/redis-2.9.1-py2.6.egg-info
.....省略一些内容....
Proceed (y/n)? y
 Successfully uninstalled redis

pip list --outdate
pygpgme (Current: 0.1 Latest: 0.3)
pycurl (Current: 7.19.0 Latest: 7.19.3.1)
iniparse (Current: 0.3.1 Latest: 0.4)

# pip --help
 
Usage: 
 pip <command> [options]
 
Commands:
 install   安装软件.
 uninstall   卸载软件.
 freeze   按着一定格式输出已安装软件列表
 list   列出已安装软件.
 show   显示软件详细信息.
 search   搜索软件，类似yum里的search.
 wheel   Build wheels from your requirements.
 zip    不推荐. Zip individual packages.
 unzip   不推荐. Unzip individual packages.
 bundle   不推荐. Create pybundles.
 help   当前帮助.
 
General Options:
 -h, --help   显示帮助.
 -v, --verbose  更多的输出，最多可以使用3次
 -V, --version  现实版本信息然后退出.
 -q, --quiet   最少的输出.
 --log-file <path>  覆盖的方式记录verbose错误日志，默认文件：/root/.pip/pip.log
 --log <path>  不覆盖记录verbose输出的日志.
 --proxy <proxy>  Specify a proxy in the form [user:passwd@]proxy.server:port.
 --timeout <sec>  连接超时时间 (默认15秒).
 --exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup.
 --cert <path>  证书.