Python Virtual Environments

python-virtual-environments.md

Python 2

• Installing and setting up packages

    pip2 install virtualenv virtualenvwrapper
  
    # ~/.profile
    if command -v virtualenvwrapper.sh >/dev/null; then
        export WORKON_HOME=$HOME/.virtualenvs
        export PROJECT_HOME=$HOME/src
        VIRTUALENVWRAPPER_PYTHON=$(command -v python2)
        VIRTUALENVWRAPPER_VIRTUALENV=$(command -v virtualenv)
        export VIRTUALENVWRAPPER_PYTHON VIRTUALENVWRAPPER_VIRTUALENV
        source "$(command -v virtualenvwrapper.sh)"
    fi
  

• Creating a virtual environment via virtualenv

    virtualenv <DIR>
    source <DIR>/bin/activate
  

• Creating a virtual environment via virtualenvwrapper

    mkvirtualenv <NAME>
  

Python 3

• Creating a virtual environment

    python3 -m venv <DIR>
    source <DIR>/bin/activate
  

References

• https://virtualenv.pypa.io
• https://virtualenvwrapper.readthedocs.io
• https://docs.python.org/3/library/venv.html