尽管我做了各种尝试,但还是无法让virtualenv工作。我在MAC OS X上使用以下方法安装virtualenv:

pip install virtualenv

并将PATH添加到我的.bash_profile中。每次我尝试运行virtualenv命令时,它都会返回:

-bash: virtualenv: command not found

每次我运行pip install virtualenv时,它都会返回:

Requirement already satisfied (use --upgrade to upgrade): virtualenv in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages

我知道在mac中,virtualenv应该正确安装

/usr/local/bin

virtualenv确实安装在/usr/local/bin中,但每当我试图运行virtualenv命令时,都找不到该命令。我还尝试在/usr/local/bin目录下运行virtualenv命令,它给了我相同的结果:

-bash: virtualenv: command not found

这些是我添加到.bash_profile中的路径

export PATH=$PATH:/usr/local/bin
export PATH=$PATH:/usr/local/bin/python
export PATH=$PATH:/Library/Framework/Python.framework/Version/2.7/lib/site-packages

有什么解决办法吗?为什么会这样呢?


当前回答

sudo apt-get install python-virtualenv

其他回答

找到了这个解决方案,对我来说非常有效。

sudo -H pip install virtualenv

h将其设置为HOME目录,这似乎是大多数人的问题。

在Ubuntu 18.04 LTS上,我也遇到了同样的错误。 以下命令起作用了:

sudo apt-get install python-virtualenv

在我的例子中,我运行pip show virtualenv来获取有关virtualenv包的信息。我将看起来与此类似,并将显示包的位置:

user@machine:~$ pip show virtualenv
Name: virtualenv
Version: 16.2.0
Summary: Virtual Python Environment builder
Home-page: https://virtualenv.pypa.io/
Author: Ian Bicking
Author-email: ianb@colorstudy.com
License: MIT
Location: /home/user/.local/lib/python3.6/site-packages
Requires: setuptools

从那里获取location的部分到.local部分,在本例中是/home/user/.local/。virtualenv命令可以在/home/user/.local/bin/virtualenv目录下找到。

然后可以运行/home/user/之类的命令。本地/ bin / virtualenv newvirtualenv。

我认为您的问题可以使用一个简单的符号链接来解决,但是您创建了指向错误文件的符号链接。据我所知,virtualenv安装在/Library/Frameworks/Python.framework/Versions/2.7/bin/virtualenv,(你可以为你的Python版本更改数字),因此创建符号链接的命令应该是:

ln -s /Library/Frameworks/Python.framework/Versions/2.7/bin/virtualenv /usr/local/bin/virtualenv

我也遇到过同样的问题,我是这样解决的:

The issue occurred to me because I installed virtualenv via pip as a regular user (not root). pip installed the packages into the directory ~/.local/lib/pythonX.X/site-packages When I ran pip as root or with admin privileges (sudo), it installed packages in /usr/lib/pythonX.X/dist-packages. This path might be different for you. virtualenv command gets recognized only in the second scenario So, to solve the issue, do pip uninstall virtualenv and then reinstall it with sudo pip install virtualenv (or install as root)