rename python virtual environment

$ virtualenv --relocatable {ENV}
$ vi {ENV}/bin/activate

# 42 行，更改 VIRTUAL_ENV 至新的路徑名稱
VIRTUAL_ENV="{NEW_ENV}" 

$ mv {ENV} {NEW_ENV}





References :
python - What parts of a virtualenv need to be changed to relocate it? - Stack Overflow 

virtualenv 使用

// setup
# easy_install virtualenv
$ virtualenv [--no-site-packages] .my_env_2.7 --python=python2.7
--no-site-packages 完全不依賴系統的 packages

// start
$ cd .my_env_2.7
$ source bin/activate
$ deactivate  # quit

$ pip install mmm
$ python xxx.py





Reference :
Python 的虛擬環境及多版本開發利器─Virtualenv 與 Pythonbrew - OpenFoundry

Python virtualenv

# apt-get install python-setuptools

# easy_install virtualenv

$ virtualenv python_test

$ cd ENV

$ source bin/activate

(python_test)$ pip install distribute

$ deactivate

Reference : 

Python 的虛擬環境及多版本開發利器─Virtualenv 與 Pythonbrew - OpenFoundry