bri*_*nts 6 python virtualenv zshrc pythonpath virtualenvwrapper
所以我在Ubuntu 14.04机器上将我的所有工具从python2迁移到python3.4.到目前为止,我已经完成了以下工作:
mkvirtualenv --python=/usr/bin/python3('workon'在下面被调用为'v')现在好奇,你可以清楚地看到它,从virtualenv激活的环境运行python3仍然继承我的$ PYTHONPATH,它仍然为我所有的python2路径设置.这在我的virtualenv中安装/运行程序时会造成严重破坏,因为python3路径显示在旧的python2路径之后,因此python2模块首先在我的程序中导入.在启动virtualenv之前将我的$ PYTHONPATH取消为''修复此问题并且我的程序按预期启动.但我的问题是:
? echo $PYTHONPATH
/usr/local/lib/python2.7/site-packages:/usr/local/lib/python2.7/dist-packages:/usr/lib/python2.7/dist-packages:/home/brian/dev
brian@zeus:~/.virtualenvs
? python2
Python 2.7.6 (default, Mar 22 2014, 22:59:56)
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys, pprint
>>> pprint.pprint(sys.path)
['',
'/usr/local/lib/python2.7/dist-packages/pudb-2013.3.4-py2.7.egg',
'/usr/local/lib/python2.7/dist-packages/Pygments-1.6-py2.7.egg',
'/usr/local/lib/python2.7/dist-packages/urwid-1.1.1-py2.7-linux-x86_64.egg',
'/usr/local/lib/python2.7/dist-packages/pythoscope-0.4.3-py2.7.egg',
'/usr/local/lib/python2.7/site-packages',
'/usr/local/lib/python2.7/dist-packages',
'/usr/lib/python2.7/dist-packages',
'/home/brian/dev',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-x86_64-linux-gnu',
'/usr/lib/python2.7/lib-tk',
'/usr/lib/python2.7/lib-old',
'/usr/lib/python2.7/lib-dynload',
'/usr/lib/python2.7/dist-packages/PILcompat',
'/usr/lib/python2.7/dist-packages/gst-0.10',
'/usr/lib/python2.7/dist-packages/gtk-2.0',
'/usr/lib/pymodules/python2.7',
'/usr/lib/python2.7/dist-packages/ubuntu-sso-client',
'/usr/lib/python2.7/dist-packages/ubuntuone-client',
'/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol',
'/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode']
>>>
brian@zeus:~/.virtualenvs
? v py3venv
(py3venv)
brian@zeus:~/.virtualenvs
? python3
Python 3.4.0 (default, Apr 11 2014, 13:05:11)
[GCC 4.8.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys, pprint
>>> pprint.pprint(sys.path)
['',
'/usr/local/lib/python2.7/site-packages',
'/usr/local/lib/python2.7/dist-packages',
'/usr/lib/python2.7/dist-packages',
'/home/brian/dev',
'/home/brian/.virtualenvs/py3venv/lib/python3.4',
'/home/brian/.virtualenvs/py3venv/lib/python3.4/plat-x86_64-linux-gnu',
'/home/brian/.virtualenvs/py3venv/lib/python3.4/lib-dynload',
'/usr/lib/python3.4',
'/usr/lib/python3.4/plat-x86_64-linux-gnu',
'/home/brian/.virtualenvs/py3venv/lib/python3.4/site-packages']
>>>
(py3venv)
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