python3 windows project skeleton

一、

1、

pip install virtualenv (virtual environment)

virtualenv  :  set up virtual environment

2、

make a .venvs directory and fill it with a virtual environment

mkdir .venvs

virtualenv --system-site-packages .venvs/lpthw

--system-site-packages :

3、

activate it :  .\.venvs\lpthw\Scripts\activate

4、

pip install nose

nosetests : 

5、

creat a skeleton :

                                （from learn python the hard way exercise 46）