Linux pip安装使用详解

简介

pip是Python有它自己的包管理工具，与yum和apt-get相似。

安装步骤：

1、下载get-pip.py：https://bootstrap.pypa.io/get-pip.py

2、以root用户运行命令：python get-pip.py,即可完成安装。

使用详解

1、pip安装软件

# pip install SomePackage

  [...]

  Successfully installed SomePackage

2、pip查看已安装的软件

# pip show --files SomePackage

  Name: SomePackage

  Version: 1.0

  Location: /my/env/lib/pythonx.x/site-packages

  Files:

   ../somepackage/__init__.py

   [...]

3、pip检查哪些软件需要更新

# pip list --outdated

  SomePackage (Current: 1.0 Latest: 2.0)

4、pip升级软件

# pip install --upgrade SomePackage

  [...]

  Found existing installation: SomePackage 1.0

  Uninstalling SomePackage:

    Successfully uninstalled SomePackage

  Running setup.py install for SomePackage

  Successfully installed SomePackage

5、pip卸载软件

$ pip uninstall SomePackage

  Uninstalling SomePackage:

    /my/env/lib/pythonx.x/site-packages/somepackage

  Proceed (y/n)? y

  Successfully uninstalled SomePackage

使用实例

安装flask

常见错误解决

参考《ImportError No module named setuptools解决》