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1. #How to update python on mac install#
2. #How to update python on mac download#
3. #How to update python on mac free#
4. #How to update python on mac mac#

For experienced programmers who want to learn Python. " Python Programming" by Michael Dawson.Ģ. Absolute beginner with no experience programming a computer. If you're in a learning mode, here are some good books:ġ. There is a boatload of friendly information about Python at their website. To get to the latest 2.x version, and that shouldn't change because 2.x isn't being updated anymore, you can, on the command line, type: pythonĪlternatively, you can enter the commands python2.5 or python2.6 to get to those older versions if needed. You'll see that several older 2.x versions are already installed. If you look at: /System/Library/Frameworks/amework/Versions and /usr/bin

You'll know you've been successful if you see the Python interpreter launch. On the command line, the system can find it. bash_profile so that when you type: python3 The installer added the path for the above to your default path in. Using the symbol ~ as a shorthand for /Users/, then we can write the location as: ~/Library/Frameworks/amework/Versions/3.4/bin/python3

#How to update python on mac install#

Unlike Apple's default install of 2.x, the version 3.x that you're installing goes into your own library folder. bash_profile will be updated to point to Python 3.4.1 as the command "python3." Of note is the introductory page where it notes that your. Then, you'll be walked through the installation in standard form for an installer. If you're using the OS X default setting for Gatekeeper, you'll need to right-click the installer package and select: Open with. How do I install Python 3 and where does it get installed? There are other details in that ReadMe.txt file about pip and IDLE that are beyond the scope of this how-to but will be of interest to anyone learning the language.ģ. (Whether you can double-click it will depend on how you have your Gatekeeper settings set in System Preferences > Security & Privacy > General.) If you try it, you may see this. There, you'll discover, along with other things, that you may not be able to just double-click the installer, "Python.mpkg" because it's not signed by Apple. It's important that you read the file " ReadMe.txt". What do I need to know before installing? (The 10.6 notation means you need at least OS X Snow Leopard to run it.) When you double-click it, it will mount on your desktop as a volume. dmg file called " python-3.4.1-macosx10.6.dmg" to your downloads folder. The interesting part of the page will look something like this:

#How to update python on mac mac#

It should auto-detect that you're on a Mac and offer you some options.

#How to update python on mac download#

Go to the Python website's download page. It's particularly easy to do because 1) There's an OS X installer package that does all the work and 2) You can still run both versions, so there's no penalty to installing 3.x. Secondly, if you want to use a specific third party package or utility that doesn't yet have a released version that is compatible with Python 3, and porting that package is a non-trivial task, you may choose to use Python 2 in order to retain access to that package.Īlternatively, if you're a newbie to the language and/or your class instructor insists that you begin by learning 3.x, then you'll need to install it on your Mac.

#How to update python on mac free#

So when should you use version 2 and when should you use the latest release, 3.4? The site says:įirstly, if you're deploying to an environment you don't control, that may impose a specific version, rather than allowing you a free selection from the available versions. Even OS X 10.10 Yosemite provides Python 2.7.x. There are large libraries for Python 2.x and many users still need to use it, so Python 2.7.x is installed in OS X by default. As a result, the 3.x version can't be depended on to run 2.x scripts. To do this, backwards compatibility had to be compromised. Why is Apple only providing Python 2.x?Īs the Python website says, " Python 2.x is legacy, Python 3.x is the present and future of the language." Briefly, in order to move forward technically as a language, the creator, Guido van Rossum, needed to make some significant internal changes. Here's a short and sweet Q&A session on what you need to know to download and install the latest version of Python (3.4.1).ġ. "įor those who are learning Python on a Mac, it may be slightly frustrating that Apple doesn't provide the latest version, typically used when learning Python these days. Here's the new, updated article from Aug 10, 2017.