Installation

To get started with Python, you need to install multiple tools on your system.

pyenv and pyenv-virtualenv

pyenv is a version manager for Python. It allows to install multiple versions of Python on the same machine.

pyenv-virtualenv is a plugin for pyenv that helps to manage virtualenv.

Installation

MacOSLinuxZsh (zinit)

Install it using Homebrew, along with build dependencies

brew install openssl readline sqlite3 xz zlib tcl-tk
brew install pyenv pyenv-virtualenv

Configure your shell (bash)

echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
echo 'command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(pyenv init -)"' >> ~/.bashrc
echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.bashrc
exec "$SHELL"

Install build dependencies

sudo apt-get update
sudo apt-get install -y \
    build-essential \
    libssl-dev \
    zlib1g-dev \
    libbz2-dev \
    libreadline-dev \
    libsqlite3-dev \
    curl \
    libncursesw5-dev \
    xz-utils \
    tk-dev \
    libxml2-dev \
    libxmlsec1-dev \
    libffi-dev \
    liblzma-dev \
    git

Install pyenv and pyenv-virtualenv

git clone https://github.com/pyenv/pyenv.git ~/.pyenv
git clone https://github.com/pyenv/pyenv-virtualenv.git ~/.pyenv/plugins/pyenv-virtualenv

Configure your shell (bash)

echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
echo 'command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(pyenv init -)"' >> ~/.bashrc
echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.bashrc
exec "$SHELL"

Add the following snippet to your .zshrc

# pyenv
export PYENV_ROOT="$HOME/.pyenv"
export PATH=$PYENV_ROOT/shims:$PATH
zinit ice atclone'./libexec/pyenv init - > zpyenv.zsh && git clone https://github.com/pyenv/pyenv-virtualenv ./plugins/pyenv-virtualenv && ./libexec/pyenv virtualenv-init - >> zpyenv.zsh' \
    atpull'./libexec/pyenv init - > zpyenv.zsh && cd ./plugins/pyenv-virtualenv && git pull && cd ../.. && ./libexec/pyenv virtualenv-init - >> zpyenv.zsh' \
    as'command' pick'bin/pyenv' src"zpyenv.zsh" nocompile'!'
zinit light pyenv/pyenv
exec "$SHELL"

pipx

pipx is an application manager for Python. It creates a dedicated virtualenv for each application and adds it to your PATH.

MacOSLinux

Install it using Homebrew

brew install pipx

Configure your shell (bash)

echo 'export PATH="$PATH:$HOME/.local/bin"' >> ~/.bashrc
exec "$SHELL"

Install system python

sudo apt-get update
sudo apt-get install -y python3 python3-pip python3-venv

Install it using pip in user mode

pip install --user pipx

Configure your shell (bash)

echo 'export PATH="$PATH:$HOME/.local/bin"' >> ~/.bashrc
exec "$SHELL"

poetry

poetry is a package manager for Python.

Install it using pipx

pipx install poetry

pip-tools

pip-tools is a lightweight alternative to poetry for small projects and simple use cases.

Install it using pipx

pipx install pip-tools