Binary compatibility across Python versions?

[MRAB]

Philip Semanchuk wrote:
> Hi all,
> Does Python guarantee binary compatibility across major, minor and/or 
> micro versions? I looked through the docs and even with Google's help I 
> wasn't able to find any official statements on this subject.
> 
> 
> Specifically, I'm concerned with binaries created by SWIG for a C++ 
> library that our project uses. We'd like to ship precompiled binaries 
> for Linux, OS X and Windows for Python 2.5 and 2.6. I'm hoping that it 
> is sufficient to create binaries for each Python for each platform (3 * 
> 2 == 6 total precompiled binaries).
> 
> Thanks for any advice and pointers to official documentation on the 
> subject.
> 
There are differences between minor versions, but not, so far as I'm
aware, between micro versions (and I'd be surprised if there were).