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Struggling to run Python on your Mac? Read this guide to understand how to install Python 2.7 on macOS Monterey.
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Troubleshooting: Unable to Run Python on macOS Monterey

If you've encountered an error stating "Can't find Python executable 'python', you can set the PYTHON env variable" while trying to run Python on your macOS Monterey, you're not alone. Many users have faced similar issues, especially since macOS has made significant changes to the way Python is handled in recent updates. In this guide, we'll explore the reason behind this problem and provide a clear, step-by-step solution to get Python up and running on your Mac.

Understanding the Problem

As of macOS Monterey, Python 2 is no longer available by default. This poses a challenge for developers and users who need Python 2.7 for their projects or services, as some applications and tools still rely on this version.

Common Symptoms of This Issue

Error messages indicating the Python executable cannot be found.

Applications like IntelliJ refusing to run Python scripts.

Unexpected behavior in existing Python projects due to version mismatches.

With the context out of the way, let’s dive into the solution!

Solution: Installing Python 2.7 on macOS Monterey

To resolve this issue, you'll need to install Python 2.7 explicitly on your macOS using a package manager called Homebrew along with pyenv, a tool that allows you to easily install and manage different Python versions. Follow these steps:

Step-by-Step Installation

Open Terminal: You can find Terminal in Applications > Utilities or search for it using Spotlight.

Install Homebrew (if you haven't already):
Homebrew is a popular package manager for macOS. If you don’t have it installed, you can do so by executing the following command:

[[See Video to Reveal this Text or Code Snippet]]

Install Pyenv:
Use Homebrew to install pyenv with the following command:

[[See Video to Reveal this Text or Code Snippet]]

Install Python 2.7.18:
Now that pyenv is installed, you can install Python 2.7.18 using:

[[See Video to Reveal this Text or Code Snippet]]

Update Your Shell Configuration:
You need to include the newly installed Python in your PATH. You can add this line to your shell configuration file. Execute the following command (this assumes you're using zsh, which is the default shell in macOS Monterey):

[[See Video to Reveal this Text or Code Snippet]]

Apply the Changes:
To apply these changes, run:

[[See Video to Reveal this Text or Code Snippet]]

Verifying Your Installation

After following the steps above, you should be able to verify your installation by running:

[[See Video to Reveal this Text or Code Snippet]]

This command should return "Python 2.7.18" confirming that Python 2.7 is successfully installed and ready to use.

Conclusion

By installing Python 2.7 using Pyenv on macOS Monterey, you can resolve the issues related to the missing Python executable. Ensure that your development environment is aligned with your project requirements by following the steps above. If you continue to experience issues, don’t hesitate to reach out for more assistance.

Stay tuned for more tips and solutions on managing Python environments effectively!