pyenv-lab.md

Pyenv Lab

This lab is written specifically for issued macbooks.

Step 1 - Installation

1. Install the Brew package manager if you don't have it:

• $ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

2. Install dependencies:

• $ brew install openssl readline sqlite3 xz zlib nano

3. If you're running macOS Mojave or higher, you may need to run:

• $ sudo installer -pkg /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg -target /

4. Run the pyenv install script:

• $ curl https://pyenv.run | bash

5. Update your system's "PATH" to include pyenv by editing your bash profile:

   • nano ~/.bash_profile
   • add the below snippet to the bottom of the file:

export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"

Close and restart your terminal app to read in new changes!

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Step 2 - Basic Usage

Run these commands in order to get a better feeling for pyenv!

1. list available cli options

   • $ pyenv

2. list packages / versions available

   • $ pyenv install --list

3. list packages / versions available

   • $ pyenv install --list | grep "3.8.3"

4. install version 3.8.3

   • $ pyenv install -v 3.8.3
5. • list installed versions
   • $ pyenv versions
6. • list active version
   • $ pyenv version
7. • set new global version
   • $ pyenv global 3.8.3