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Virtual environments

virtualenvwrapper

Installation

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# 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/Projects
source /usr/share/virtualenvwrapper/virtualenvwrapper.sh

Basic usage

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# 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:

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pip freeze > requirements.txt

venv

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

Now you can activate or deactivate the virtual environment with:

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<DIR>\Scripts\activate
Last update: 2024-12-27
Created: February 29, 2024 15:15:09