[Chicago] Python on OSX Install

Ryan Manly ryan.manly at gmail.com
Fri Oct 12 03:04:08 CEST 2012


Nowadays when you run the Apple default (2.7.2) it is 64-bit. Also if you
use Apple's weird versioner method to specify which you want to run then
2.6.7 is also available in 64 and 32. 2.5.6 is in there as a 32-bit only.

Using the packages from Python.org gives you fat/Universal binaries for
2.7.3 and 3.3.0. It lays down /usr/local/bin/*-32 if you want to run 32-bit
without using 'arch' or some other method.

The funny part is the 10.6.x man page for python mentions using their
versioner method to get 2.5, 2.6, & 3.0 but on the 10.6.8 machine next to
me there is no 3.0. It is also not on this 10.8.2 box which luckily isn't
mentioned in the man page…but neither is the fact that both *do* have 2.3 :)

Would be interesting trivia to go back through the point & dev releases of
10.6 and see if it was ever *really* in there.

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