问题描述
如果我在virtualevn中使用具有sudo权限的pip/pip3安装某些东西，会发生什么情况?
What does happen if I install something using pip/pip3 with sudo privilege in virtualevn?
在virtualenv内使用pip3安装tensorflow时出现PermissionError，所以我使用sudo.
I got PermissionError while installing tensorflow with pip3 inside virtualenv, so I used sudo.
(.tensorflow) $ pip3.5 install tensorflow
...
PermissionError: [Errno 13] Permission denied: '/usr/lib/python3.5/site-packages'
(.tensorflow) $ sudo pip3.5 install tensorflow
然后我可以在virtualenv之外的ipython3中导入tensorflow.
Then I can import tensorflow in ipython3 outside virtualenv.
但是，使用pip2安装时没有出现PermissionError.
However, I did not get PermissionError when I installed using pip2.
因此，如果我使用sudo特权在virtualenv内安装了某些软件，可以从外部访问它吗?
So, if I install something inside virtualenv with sudo privilege, is it accessible from outside?
谢谢.
推荐答案
您的virtualenv是否使用Python 3.5作为其解释器?您可以通过在启用virtualenv的情况下仅运行python --version来进行检查.根据您的陈述，我怀疑您有一个2.7 virtualenv.由于virtualenv是2.7，因此pip3.5在虚拟环境的上下文中无法运行，这就是为什么您需要使用sudo的原因. virtualenv -p python3.5 myvenvname应该给您您想要的东西.
Is your virtualenv using Python 3.5 as its interpreter? You can check this by just running python --version with the virtualenv activated. Based on your statements I suspect you have a 2.7 virtualenv. Since the virtualenv is 2.7 pip3.5 is not operating within the context of the virtual environment, which is why you needed to use sudo. virtualenv -p python3.5 myvenvname should give you what you want.
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