pip類似RedHat里面的yum，安裝Python包非常方便。本節詳細介紹pip的安裝、以及使用方法。
1、pip下載安裝
1.1 pip下載
# wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate
1.2 pip安裝
# tar -xzvf pip-1.5.4.tar.gz
# cd pip-1.5.4
# python setup.py install
2. pip使用詳解
2.1 pip安裝包
# pip install SomePackage
[...]
Successfully installed SomePackage
2.2 pip查看已安裝的包
# pip show --files SomePackage
Name: SomePackage
Version: 1.0
Location: /my/env/lib/pythonx.x/site-packages
Files:
../somepackage/__init__.py
[...]
2.3 pip檢查哪些包需要更新
# pip list --outdated
SomePackage (Current: 1.0 Latest: 2.0)
2.4 pip升級包
# pip install --upgrade SomePackage [...] Found existing installation: SomePackage 1.0 Uninstalling SomePackage: Successfully uninstalled SomePackage Running setup.py install for SomePackage Successfully installed SomePackage
2.5 pip卸載包
$ pip uninstall SomePackage Uninstalling SomePackage: /my/env/lib/pythonx.x/site-packages/somepackage Proceed (y/n)? y Successfully uninstalled SomePackage
3. pip使用實例
3.1 安裝redis
# pip install redis
3.2 卸載redis
# pip uninstall redis Uninstalling redis: /usr/lib/python2.6/site-packages/redis-2.9.1-py2.6.egg-info .....省略一些內容.... Proceed (y/n)? y Successfully uninstalled redis
3.3 查看待更新包
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)
4. 常見錯誤
4.1 ImportError No module named setuptools請參考《ImportError No module named setuptools解決》
5. pip參數解釋
pip --help
`Usage:
pip <command> [options]
Commands:
install 安裝包.
uninstall 卸載包.
freeze 按著一定格式輸出已安裝包列表
list 列出已安裝包.
show 顯示包詳細信息.
search 搜索包，類似yum里的search.
wheel Build wheels from your requirements.
zip 不推薦. Zip individual packages.
unzip 不推薦. Unzip individual packages.
bundle 不推薦. Create pybundles.
help 當前幫助.
General Options:
-h, --help 顯示幫助.
-v, --verbose 更多的輸出，最多可以使用3次
-V, --version 現實版本信息然后退出.
-q, --quiet 最少的輸出.
--log-file <path> 覆蓋的方式記錄verbose錯誤日志，默認文件：/root/.pip/pip.log
--log <path> 不覆蓋記錄verbose輸出的日志.
--proxy <proxy> Specify a proxy in the form [user:passwd@]proxy.server:port.
--timeout <sec> 連接超時時間 (默認15秒).
--exists-action <action> Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup.
--cert <path> 證書.`
6.** 結束**
安裝使用一目了然，太簡單了。
