所有似乎都适用于python 2和3:
$ which Python
/Library/Frameworks/Python.framework/Versions/2.7/bin/python
$ python --version
Python 2.7.9
$ python2
Python 2.7.9 (v2.7.9:648dcafa7e5f, Dec 10 2014, 10:10:46)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
$ python3
Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 23 2015, 02:52:03)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
我的.bash_profile设置如下:
PATH="/Library/Frameworks/Python.framework/Versions/2.7/bin:${PATH}"
export PATH
PATH="/Library/Frameworks/Python.framework/Versions/3.4/bin:${PATH}"
export PATH
问题:
$ virtualenv My_Env
-bash: /usr/local/bin/virtualenv: …