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  • 在max os x上安装brew和python3

    brew的安装:

    因为max os x上自带了ruby, 执行以下命令:

    ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

    brer安装成功后,就可以用它用安装其它软件了;

    python3的安装:

    brew install python3

    ==> python
    Python has been installed as
      /usr/local/bin/python3
    
    Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
    `python3`, `python3-config`, `pip3` etc., respectively, have been installed into
      /usr/local/opt/python/libexec/bin
    
    If you need Homebrew's Python 2.7 run
      brew install python@2
    
    You can install Python packages with
      pip3 install <package>
    They will install into the site-package directory
      /usr/local/lib/python3.7/site-packages
    
    See: https://docs.brew.sh/Homebrew-and-Python

    安装成功了。

    然后又可以用pip3命令来安装python的软件了。

    什么是pip3:

    Python之所以强大,其中一个原因是其丰富的第三方库。

    pip则是python第三方库的包管理工具。 由于在Mac上python2和python3是共存的。

    因而python3对应的包管理工具的命令就是:pip3。

    例如安装you-get:

    pip3 install you-get

    Collecting you-get
      Downloading https://files.pythonhosted.org/packages/e6/3d/5da4f2271a8022da8ac41c5f520bbea3a08a9bee65938bae722a89b0f09d/you_get-0.4.1270-py3-none-any.whl (206kB)
        100% |████████████████████████████████| 215kB 130kB/s 
    Installing collected packages: you-get
    Successfully installed you-get-0.4.1270
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  • 原文地址:https://www.cnblogs.com/johnnyzhao/p/10530121.html
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