virtualenv backup python environtment using

virtualenv backup python environtment using

1.activate current env at your path
pyvenv-3.5 ~/Envs/thesis_python3/
source ~/Envs/thesis_python3/bin/activate

2. list all of modules using in the current environtment by using freeze
pip freeze > requirements.txt
(this command with generate txt file list all modules have installed)

3. create new env, and from this new env, install all modules have list in the txt file
pip install -r requirements.txt



Another solution, copy current env to another env:
cp -R ~/Envs/thesis_python3 ~/Envs/bk_thesis_python3

use your favorite editor to edit activate file of the new env
sudo vim bk_thesis_python3/bin/activate

Find the line VIRTUAL_ENV="~/Envs/thesis_python3" and replace it with
~/Envs/bk_thesis_python3 (your backup env)

--Enjoy....--