使用virtualenv构建python虚拟环境

hb@hb-pc ~ $ virtualenv --python=python3 --no-site-packages test
Running virtualenv with interpreter /usr/bin/python3
Using base prefix '/usr'
New python executable in test/bin/python3
Also creating executable in test/bin/python
Installing setuptools, pip, wheel...done.
hb@hb-pc ~ $ source test/bin/activate
(test)hb@hb-pc ~ $ pip list
pip (7.1.2)
setuptools (18.2)
wheel (0.24.0)
You are using pip version 7.1.2, however version 8.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
(test)hb@hb-pc ~ $ deactive
deactive：未找到命令
(test)hb@hb-pc ~ $ deactivate