Upgrading python

["Martin v. Löwis"]

Bengt Richter wrote:

> How do I know what will happen to file extension associations and the system path search
> that takes unadorned python and finds some/path/to/python23.exe?

You could ask. Extension associations will get redirected to Python 2.3, 
and there is no python23.exe.

> And how does the old python22 find what it needs? 

Using sys.executable.

 > Do I need to go through a .cmd file that sets up its environment
 > before running?

No.

 > How do I know everything it needs?

Again, you might want to ask.

> IOW, how do you set up a clean way to run both 2.2.3 and 2.3 "side by side" but separately,
> with default "python" going to 2.3?  

Install Python 2.2 first, then 2.3.

> I am being lazy in not reading the install docs yet,
> but does it cover the question fully? 

No.

> If so, the answer to this post can just be "yes" ;-)

No.

Regards,
Martin