如何在python 3.6而非默认的python 2.7上安装pip? [英] How to install pip on python 3.6, not the default python 2.7?

问题描述

所以整天，我一直在尝试安装pip.我执行了curl https://bootstrap.pypa.io/get-pip.py > get-pip.py.然后sudo python get-pip.py.接下来，我用sudo pip install numpy安装numpy.最后，我打开了python 3.6 IDLE，然后尝试import numpy as np并收到一条错误消息，指出该模块不存在.

So all day, I have been trying to install pip. I've executed curl https://bootstrap.pypa.io/get-pip.py > get-pip.py. Then sudo python get-pip.py. Next I went to install numpy with sudo pip install numpy. Finally, I opened up the python 3.6 IDLE and I tried to import numpy as np and got an error saying that the module didn't exist.

我发现pip已安装在/Library/Python/2.7/site-packages中，因此我从目录中删除了2.7.我再次重做整个过程，并得到了相同的错误:|

I found out that the pip was installed in /Library/Python/2.7/site-packages so I deleted 2.7 from the directory. I redid the whole process again and got the same error :|

我想知道是否需要更改默认的python是不明智的.我该怎么办?我确定我已经删除了所有带有python 2.7的内容吗?

I'm wondering if I need to change the default python which I've been told is not wise. What do I do? I' sure I've deleted everything with python 2.7 in it?

MacBookAir OSX-Sierra

MacBookAir OSX - Sierra

或者还有另外一种方法可以在python 3.6中安装numpy吗???

Or is there an alternate way that I can install numpy in python 3.6????

推荐答案

您不应删除系统python.删除/Library/Python或其子文件夹中的任何内容.

You shouldn't delete the system python. Delete nothing in /Library/Python or it's subfolders.

您是如何安装python 3.6的?通常，它将以python3.6的形式安装，并带有指向python3的符号链接. pip3通常随它一起安装.

How did you install python 3.6? Usually, it'll be installed as python3.6 with a symlink to python3. pip3 is usually installed with it.

所以您可能想做的是:

pip3 install numpy
python3
>>> import numpy

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