Comment 49 for bug 482993

> Is this the official Python version provided and updated by Apple

Sounds like it isn't. My own system has 2.6.1, and extensions do not work.

Here are the other outputs you asked for; there's nothing there:

% defaults read com.apple.versioner.python
2010-09-14 15:20:06.835 defaults[25397:903]
Domain com.apple.versioner.python does not exist

% defaults read /Library/Preferences/com.apple.versioner.python
2010-09-14 15:20:06.847 defaults[25398:903]
Domain com.apple.versioner.python does not exist

% env | grep VERSIONER_PYTHON_PREFER_32_BIT
%