如何使Mac OS使用Homebrew安装的python [英] How to make Mac OS use the python installed by Homebrew

问题描述

这个问题我已经在网上搜索了一段时间，到目前为止，我所做的是

I have searched online for a while for this question, and what I have done so far is

1. 在自制软件中安装了python32

1. installed python32 in homebrew

更改了我的.bash_profile，并在其中添加了以下行:

changed my .bash_profile and added the following line to it:

export PATH =/usr/local/bin:/usr/local/sbin:〜/bin:$ PATH

export PATH=/usr/local/bin:/usr/local/sbin:~/bin:$PATH

但是当我关闭终端并重新启动时，我键入哪个python"，它仍然会打印:

but when I close the terminal and start again, I type 'which python', it still prints:

/usr/bin/python

/usr/bin/python

并输入'python --version'仍然得到:

and type 'python --version' still got:

Python 2.7.2

Python 2.7.2

我还尝试了以下说明:

brew link --overwrite python

brew link --overwrite python

或尝试通过运行以下指令来删除由homebrew安装的python:

or try to remove python installed by homebrew by running this instruction:

brew删除python

brew remove python

但以上两个说明均导致此错误:

but both of the above two instructions lead to this error:

错误:没有这样的小桶:/usr/local/Cellar/python

Error: No such keg: /usr/local/Cellar/python

任何人都可以帮忙，谢谢

can anybody help, thanks

推荐答案

如果要使用Homebrew安装Python 3:

If you want to install Python 3 using Homebrew:

$ brew install python3
==> Downloading http://python.org/ftp/python/3.3.0/Python-3.3.0.tar.bz2
Already downloaded: /Library/Caches/Homebrew/python3-3.3.0.tar.bz2
==> ./configure --prefix=/usr/local/Cellar/python3/3.3.0 --enable-ipv6 --datarootdir=/usr/local/Cell
==> make
==> make install PYTHONAPPSDIR=/usr/local/Cellar/python3/3.3.0
==> make frameworkinstallextras PYTHONAPPSDIR=/usr/local/Cellar/python3/3.3.0/share/python3
==> Downloading https://pypi.python.org/packages/source/d/distribute/distribute-0.6.35.tar.gz
Already downloaded: /Library/Caches/Homebrew/distribute-0.6.35.tar.gz
==> /usr/local/Cellar/python3/3.3.0/bin/python3.3 -s setup.py install --force --verbose --install-li
==> Downloading https://pypi.python.org/packages/source/p/pip/pip-1.3.1.tar.gz
Already downloaded: /Library/Caches/Homebrew/pip-1.3.1.tar.gz
==> /usr/local/Cellar/python3/3.3.0/bin/python3.3 -s setup.py install --force --verbose --install-li
==> Caveats
Homebrew's Python3 framework
  /usr/local/Cellar/python3/3.3.0/Frameworks/Python.framework

Distribute and Pip have been installed. To update them
  pip3 install --upgrade distribute
  pip3 install --upgrade pip

To symlink "Idle 3" and the "Python Launcher 3" to ~/Applications
  `brew linkapps`

You can install Python packages with
  `pip3 install <your_favorite_package>`

They will install into the site-package directory
 /usr/local/lib/python3.3/site-packages
Executable python scripts will be put in:
 /usr/local/share/python3
so you may want to put "/usr/local/share/python3" in your PATH, too.

See: https://github.com/mxcl/homebrew/wiki/Homebrew-and-Python

安装后更新系统PATH变量，将下一行添加到~/.bash_profile

Once installed update your system PATH variable, add the next line to ~/.bash_profile

export PATH=/usr/local/bin:/usr/local/sbin:~/bin:$PATH

然后:

$ source ~/.bash_profile

现在启动Python:

Now launch Python:

$ python3
Python 3.3.0 (default, Mar 26 2013, 10:01:40) 
[GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.27)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>>

您可以检查python3路径:

You can check python3 path:

$ which python3
/usr/local/bin/python3

这篇关于如何使Mac OS使用Homebrew安装的python的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！