Linux/Win32 func. to get Python instdir (not exedir) + site-packages => extensions mgmt

[pythonewbie]

On 20 jan, 12:20, Christian Heimes <li... at cheimes.de> wrote:
> pythonewbie wrote:
> > I am stucked on creating a function to get the Python install
> > directory (and site-packages directory) with a 100% reliable method...
>
> Only one method is 100% reliable:
>
> try:
>     import yourextension
> except ImportError:
>     available = False
> else:
>     available = True
>
> Christian

Hi Christian,

OK thanks, interesting to detect if an extension is available or not.

But for different reasons I also want to get the absolute path of
Python install directory (not only the executable under Linux) and
site-packages directory.

How could I proceed ?