pyenv

pyenv is a popular command-line tool that helps Python developers manage multiple Python versions efficiently. If you work on various Python projects, each requiring a different version of Python, pyenv keeps your workflow smooth by allowing you to install, switch, and manage Python versions effortlessly.

https://github.com/pyenv/pyenv

To install, run

curl -fsSL https://pyenv.run | bash

Edit ~/.profile

vi ~/.profile

add at the end of the file

export PYENV_ROOT="$HOME/.pyenv"
[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"
eval "$(pyenv init - bash)"

Install build dependency

on Ubunutu, run

apt update; apt install make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev curl git libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev

For other operating systems, see

https://github.com/pyenv/pyenv/wiki#suggested-build-environment

Install a specific Python version

pyenv install 3.12.3

To swich python version

pyenv shell 3.12.3

Once you are inside shell, you can create virtual environment as needed.

To find file location, run

pyenv which python3.12

Set the global Python version:

pyenv global 3.12.3

Set a local version for a project:

pyenv local 3.12.3

To list all installed python versions, run:

pyenv versions

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