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# pip list --outdated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》