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

[pythonewbie]

On 21 jan, 10:34, "Diez B. Roggisch" <de... at nospam.web.de> wrote:
> pythonewbie
>
>
>
> > Because the solution using distutils.sysconfig.get_python_lib() is
> > very smart !
>
> Depending on your goal. You said
>
> """
> My goal is to verify if an/several extension(s) are installed and to
> automatically install the missing ones on Linux or Win32.
> """
>
> This goal can't be reached with only the site-packages - because I can
> install packages somewhere else (matter of factly, this happens on debian
> for example, they've split the install-dirs and created a bunch of dirs
> under /usr/share)
>
> So having a method that gives you the installation root doesn't help much
> here.
>
> Diez

To John Machin,

>>> sys.path
['', '/usr/lib/python25.zip', '/usr/lib/python2.5', '/usr/lib/
python2.5/plat-linux2', '/usr/lib/python2.5/lib-tk', '/usr/lib/
python2.5/lib-dynload', '/usr/local/lib/python2.5/site-packages', '/
usr/lib/python2.5/site-packages', '/usr/lib/python2.5/site-packages/
Numeric', '/usr/lib/python2.5/site-packages/gst-0.10', '/var/lib/
python-support/python2.5', '/usr/lib/python2.5/site-packages/gtk-2.0',
'/var/lib/python-support/python2.5/gtk-2.0', '/usr/lib/python2.5/site-
packages/wx-2.8-gtk2-unicode']