Here is the pyenv cheat sheet of all the basic commands list.

Table of Contents

• What is pyenv
• What it does
• List available python versions to install
• Installing Python Version
• List Installed Python Versions
• See List Of All pyenv Commands
• Activating Python Version
  • global
  • local
  • shell
• Virtual Environments
  • Create Virtual Environments
  • Set virtual environment as default for dir/project
  • Activate Virtual Environment
  • Deactivate Virtual Environment
• Recommended Reading Materials

What is pyenv

pyenv is Python version management tool, it lets you easily switch between multiple versions of Python.

What it does

• Lets you change the global Python version on a per-user basis.

• Provides support for per-project Python versions.

• Allows you to override the Python version with an environment variable.

List available python versions to install

This will list all the available version of python

pyenv install --list

You can filter it using grep. Here we are filtering list by python version:

pyenv install --list | grep " 3.11"

Installing Python Version

pyenv install <version>

add -v flag to see install progress output

List Installed Python Versions

pyenv versions

Astrick (*) indicate current active version.

See List Of All pyenv Commands

pyenv commands

Activating Python Version

global

• Sets the given version as global python version.

• It overrides system’s default python version.

pyenv global <version>

local

• Use it to set directory / project specific python version.

• It can override python version set by global

pyenv local <version>

shell

• Sets shell specific python version.

• The python version stays active until shell has been closed or by using --unset flag.

• It can override python version set by local and global

pyenv shell <version>

Virtual Environments

Create Virtual Environments

pyenv virtualenv <version> <env_name>

Set virtual environment as default for dir/project

pyenv local <env_name>

Activate Virtual Environment

pyenv activate <env_name>

Deactivate Virtual Environment

pyenv deactivate

Recommended Reading Materials

• Official Page of pyenv

• Real Python: Managing Multiple Python Versions With pyenv