Python学习1_pip安装使用详解

pip类似RedHat里面的yum，安装Python包非常方便。本节详细介绍pip的安装、以及使用方法。

1、pip下载安装

1.1 pip下载

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

1.2 pip安装

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

2. pip使用详解

2.1 pip安装包

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

2.2 pip查看已安装的包

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

2.3 pip检查哪些包需要更新

12	# pip list --outdated SomePackage (Current: 1.0 Latest: 2.0)

2.4 pip升级包

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# 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卸载包

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

3. pip使用实例

3.1 安装redis

1	# pip install redis

3.2 卸载redis

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# pip uninstall redisUninstalling 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

3.3 查看待更新包

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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. 常见错误

4.1 ImportError No module named setuptools

请参考《ImportError No module named setuptools解决》

5. pip参数解释

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# pip --help Usage: pip <command> [options] Commands: install 安装包. uninstall 卸载包. freeze 按着一定格式输出已安装包列表 list 列出已安装包. show 显示包详细信息. search 搜索包，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.

6. 结束

安装使用一目了然，太简单了。

原文来自：https://www.ttlsa.com/python/how-to-install-and-use-pip-ttlsa/