如何在没有根访问权限的计算机上安装virtualenv

Question

我想在没有root权限的Linux机器上安装virtualenv。我在nettuts（http://net.tutsplus.com/tutorials/python-tutorials/python-power-tools-virtualenv/）上看到了屏幕截图，并尝试按照步骤进行操作，但是得到了以下错误。在

感谢任何帮助。在

/home/x01010/python/virtualenv-1.9.1 > which python
/opt/xpyv/bin/python

/home/x01010/python/virtualenv-1.9.1 > python virtualenv.py foo
PYTHONHOME is set. You *must* activate the virtualenv before using it
Traceback (most recent call last):
File "virtualenv.py", line 2577, in <module>
main()
File "virtualenv.py", line 979, in main
no_pip=options.no_pip)
File "virtualenv.py", line 1081, in create_environment
site_packages=site_packages, clear=clear))
File "virtualenv.py", line 1289, in install_python
writefile(site_filename_dst, SITE_PY)
File "virtualenv.py", line 445, in writefile
f = open(dest, 'wb')
IOError: [Errno 2] No such file or directory: 'foo/lib/python26.zip/site.py'</module>

谢谢

Answer 1

您必须在创建虚拟环境后激活它。在

virtualenv  no-site-packages </path/to/new/environment>
source </path/to/new/environment>/bin/activate  

激活虚拟环境后再试。在

Answer 2

问题是如果设置了PYTHONHOME，就不能创建virtualenv。在

如果您使用的是自定义的python构建，则应该安装它（可以使用prefix将其安装到不需要root访问的位置）并运行：

/path/to/install/bin/python virtualenv.py foo