[python-win32] Multiple versions of Python on same machine with regsvr32.exe PYDs

[Mark Hammond]

On 19/07/2011 12:21 AM, reckoner wrote:
> Mark:
>
> Thanks for your reply. I'm using the Python extension described here:
>
> http://www.synapseadaptive.com/joel/index_old.html
>
> Basically, the natlink.pyd file is called ( after being registered with
> regsvr32 ) indirectly by the speech recognition engine. Thus, if the
> natlink.pyd file is built using, say, Python version 2.6, and I have
> another version of Python installed, say, Python version 2.7, then when
> the functions inside of natlink.pyd are called, they need to somehow be
> able to figure out the correct Python path and other linked libraries.
> So, I'm not sure how this works in terms of the registry and how Python
> figures out which Python version it should use and where the
> corresponding libraries are.

There is absolutely no problem having multiple installations of Python 
if they are different versions - so just install both 2.6 and 2.7.

> Any ideas here? I would like to have multiple Python installations on
> the same machine so I can migrate between two versions, but I admit all
> of this registry stuff is confusing to me and I don't imagine it will be
> so simple as simply changing the Python path.

The registry stuff is only needed if, say, you wanted to different 2.7 
installations on the same machine.

> Thanks in advance and for all your great work bringing Python to us
> Windows users.

My pleasure :)

Cheers,

Mark