With this setup, you'll be able to keep your system macosx python and switch to whatever new version of python you want available through pyenv. Note: you may need to create a new shell or reload your bash_profile in your current shell for the pyenv initialization to do its thing (set up shims). ![]() Now install some python using pyenv and then switch to it with the pyenv local command (you can see all your versions with pyenv versions). If command -v pyenv 1>/dev/null 2>&1 then Now that Python 3 is installed through pyenv, we want to set it as our global default version for pyenv environments: pyenv global 3.7.3 and verify it worked pyenv version 3.7.3 (set by /Users/mbbroberg/.pyenv/version) The power of pyenv comes from its control over our shell's path. Instead, to run Python 3, you have to use the. Once you have pyenv installed, update your. When you install Python 3 on a Mac, it does not update the python command to use Python 3 instead of Python 2.Install homebrew if you don't already have it and use it to install pyenv with brew install pyenv.The pyenv repo is pretty detailed on how to install for different systems and what it's actually doing, but here's the basic steps for mac: It’s really easy to install and manage multiple versions of Python using pyenv. Instead, install and use a newer version of Python from or a third-party distributor that. If you wish to use IDLE or Tkinter, do not use the Apple-supplied Pythons. If you are using macOS 10.6 or later, the Apple-supplied Tcl/Tk 8.5 has serious bugs that can cause application crashes. ![]() ![]() Modify your shell environment ( PATH) with shims so that when you do pyenv local 3.8.1, calling python will invoke the new interpreter instead of your system python. A built-in version of Tcl/Tk 8.6 will be used. Click Downloads, then download the latest version from there: This downloads the appropriate 64-bit version of the latest Python release (.Doing pyenv install 3.8.1 will install python 3.8.1 under ~/.pyenv/versions/3.8.1. You can set the latest version of Python to be global, meaning it will be the default version of Python MacOS uses when you run Python applications. Install different python versions under some directory.Essentially, pyenv can do two key things for you: I recommend using pyenv to manage your local python versions (both 2.x and 3.x) instead of installing new versions directly with homebrew or building new python versions from source manually.
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