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1.创建虚拟环境
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[root@hostnfsd :/myproject_exec/django-blog-tutorial]$ virtualenv -p /usr/local/python3.4/bin/python3.4 env ####-p指定python版本,如果不指定则调用系统默认的Python版本
2 激活环境
[root@hostnfsd :/myproject_exec/django-blog-tutorial]$ . env/bin/activate
3 检查版本:此时虚拟环境就是python3.4版本配套的环境
(env) [root@hostnfsd :/myproject_exec/django-blog-tutorial]$ python -V
Python 3.4.6
(env) [root@hostnfsd :/myproject_exec/django-blog-tutorial]$ pip -V
pip 9.0.1 from /myproject_exec/env/lib/python3.4/site-packages (python 3.4)
https://pypi.python.org/packages/d4/0c/9840c08189e030873387a73b90ada981885010dd9aea134d6de30cd24cb8/virtualenv-15.1.0.tar.gz#md5=44e19f4134906fe2d75124427dc9b716