Virtual environments

virtualenvwrapper

Installation

# Make sure you have pip installed.
sudo apt-get install python3-pip

# Installing virtualenvwrapper 
sudo pip3 install virtualenvwrapper

# Open bashrc by –
sudo gedit ~/.bashrc

# After opening it, add the following  lines to it :

export WORKON_HOME=$HOME/.virtualenvs
export PROJECT_HOME=$HOME/Devel
source /usr/local/bin/virtualenvwrapper.sh

Basic usage

# Creating a virtual environment with mkvirtualenv
mkvirtualenv nameOfEnvironment

# List exisiting environment in your 
lsvirtualenv -b

# Work on an environment
workon nameOfEnvironment

# Close current environment
deactivate

# Delete virtual environment
rmvirtualenv nameOfEnvironment

# To work on another version of python:
mkvirtualenv -p python3.x venv_name
# You will see something like this: (venv_name)

Backing up virtual environment before removing it:

pip freeze > requirements.txt

venv

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

Now you can activate or deactivate the virtual environment with:

<DIR>\Scripts\activate

Last update: 2024-03-29
Created: February 29, 2024 15:15:09