Installing Python 3.8 on Mac OSX. We will use Homebrew to install Python 3.8 and will then move on to creating a virtual environment. If you don't have Homebrew installed on your Macbook, you can install Homebrew on your MacOSX and then use it to install Python 3.8 on your machine.
How To Install Python 3 On Mac Catalina
- % pyenv install 3.8.6 or whichever python version tickles your fancy. You should now be able to set this as your default python:% pyenv global 3.8.6 to set 3.8.6 as global primary python. To make sure everything is working so far, launch a new terminal window and issue some commands to see if pyenv is in charge of python in your shell now.
- In this video, I walk you through the process of installing Python 3 and properly setting it up so that it becomes the default instead of the System Python 2.
Maria Campbell provides a post on installing the latest version of Python on Mac OS Catalina and overriding the old default pre-installed version. And it even uses Homebrew and not some gnarly steps.
I finally did it. I successfully installed Python version 3.7.7 via Homebrew on my Maclaptop with OS Catalinainstalled.
Python 3 Macos Catalina Free
For those of you that still might be trying to figure out how to do this, I will walk you through.
Python 3 Macos Catalina Version
The reason why I was eager to make sure that I had the latest version installed was because I am working on publishing (open-source) teaching-related documentation on Read The Docs, and I need to have Python installed in order to be able to install the programs necessary to publish there.
The default 2.7.17 version of Python was retired this past January 2020. I had tried back then to replace it with Python 3+, but was unsuccessful at the time.
They key appears to be also adding the following at the bottom of the .zshrc file to update the path to the newly installed version of Python via Homebrew:
See all the steps in the blog post here and podcast here.