If you install python3 through Homebrew it installs the latest version by default, which I did. But I want 3.3 instead of 3.4. How can I replace it with 3.3 specifically using Homebrew? I want to try Django with Python 3 but I'm just learning Django so I want to use the latest stable version, currently 1.6, which is compatible with up to Python 3.3. I want to use it with Python 3, so it has to be 3.3. Django 1.7 is Py3.4 compatible but I don't want to mess with that 'til it's stable... on OS X 10.8.5
Install Python 3 with the Official Installer First, download an installer package from the Python website. To do that, visit https://www.python.org/downloads/ on your Mac; it detects your operating system automatically and shows a big button for downloading the latest version of Python installer on your Mac.
Open the terminal (bash or zsh) whatever shell you are using. Install python-3 using Homebrew (https://brew.sh). Look where it is installed. Change the default python symlink to the version you want to use from above.
Here are some elements that you can piece together from the homebrew FAQ.
Can I edit formulae myself? - yes.
brew edit python3
look for the url
and change it to the ftp link to the 3.3
(3.3.6
) archive.
download the archive locally and compute the checksum with shasum
.
save the file as python33.rb
and install with brew install --debug python33.rb
.
Passing the --debug
flag will help you in case some steps are not working properly (e.g. in the latest formula, removing the 2to3
binary was a problem), you may just try to revert this change as python3.3 does not have ensurepip
bootstrap module.
You can find the formula I used here: python 3.3.5
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