在ubuntu上使用python 2.7在virtualenv中创建沙箱失败？

问题描述

| 为什么virtualenv抱怨缺少

_weakrefset

laptop:~/sandbox$ virtualenv --python=/usr/bin/python2.7 --no-site-packages play
Running virtualenv with interpreter /usr/bin/python2.7
New python executable in play/bin/python2.7
Also creating executable in play/bin/python
Traceback (most recent call last):
  File \"/home/ribery/sandbox/play/lib/python2.7/site.py\",line 67,in <module>
  import os
  File \"/home/ribery/sandbox/play/lib/python2.7/os.py\",line 398,in <module>
  import UserDict
File \"/home/ribery/sandbox/play/lib/python2.7/UserDict.py\",line 83,in <module>
  import _abcoll
File \"/home/ribery/sandbox/play/lib/python2.7/_abcoll.py\",line 11,in <module>
  from abc import ABCMeta,abstractmethod
File \"/home/ribery/sandbox/play/lib/python2.7/abc.py\",line 8,in <module>
  from _weakrefset import WeakSet
ImportError: No module named _weakrefset
ERROR: The executable django-py27/bin/python2.7 is not functioning
ERROR: It thinks sys.prefix is \'/home/ribery/sandbox\' 
(should be \'/home/ribery/sandbox/play\')
ERROR: virtualenv is not compatible with this system or executable

    

解决方法

        参见https://github.com/pypa/virtualenv/issues/76 要与Python 2.7一起使用，请将virtualenv升级到1.5.1或更高版本。您可以用

virtualenv --version

查看当前版本。