◾️ environment set in Mac
https://virtualenvwrapper.readthedocs.io/en/latest/
$ which python3
/Library/Frameworks/Python.framework/Versions/3.9/bin/python3
$ pip3 install virtualenv virtualenvwrapper
...
$ which virtualenvwrapper.sh
/Library/Frameworks/Python.framework/Versions/3.9/bin/virtualenvwrapper.sh
$ vi .bash_profile
...
# python3 virtualenvwrapper env
export WORKON_HOME=~/virtualEnv
export VIRTUALENVWRAPPER_PYTHON=/Library/Frameworks/Python.framework/Versions/3.9/bin/python3
(save and new terminal)
$ source /Library/Frameworks/Python.framework/Versions/3.9/bin/virtualenvwrapper.sh
...
(useful command for virtualenvwrapper)
$ mkvirtualenv [vitual-env-name]
$ rmvirtualenv [vitual-env-name]
$ workon [vitual-env-name]
$ setvirtualenvproject
$ cdproject
$ deactivate◾️ example : pip install xxx after workon status(virtualenv)
$ cd ~/Document/workdir
$ mkvirtualenv corona
$ workon corona
(corona) $ pip3 install jupyterlab
(corona) $ pip3 install pandas
(corona) $ ls -l ~/virtualEnv/corona/lib/python3.9/site-packages/
...
drwxr-xr-x 21 xxx staff 672 11 25 02:17 pandas
drwxr-xr-x 11 xxx staff 352 11 25 02:17 pandas-1.1.4.dist-info
(useful lib : pandas for data analysis / dash for dashboard / jupyterlab for browser python interpreter)
$ pip3 install pandas
$ pip3 install dash==1.17.0
$ pip3 install jupyterlab