[Python-Dev] Python install layout and the PATH on win32 (original) (raw)

VanL van.lindberg at gmail.com
Wed Mar 14 17:10:05 CET 2012

On 3/14/2012 10:56 AM, Terry Reedy wrote:

Are you talking about 'install for all users' versus 'install for this user only'? I have always done the former as I see no point to the latter on my machine, even if another family member has an account.

Yes, but some people are on corporate machines that only allow "install for this user" installations.

I am fine with keeping the distinction between > base installs (no pyversion) I have no idea what this means. As far as I can remember, each installation of Python x.y (back to 1.3 for me, on DOS) has gone into a pythonxy (no dot) directory, with subdirectories much as Jim J. described.

I am referring to the currently-existing install schemes 'nt' ('install for all users') and 'nt-user' ('install for this user only'). The current layouts are described at http://hg.python.org/distutils2/file/2cec52b682a9/distutils2/_backport/sysconfig.cfg:

L57-65: [nt] stdlib = {base}/Lib platstdlib = {base}/Lib purelib = {base}/Lib/site-packages platlib = {base}/Lib/site-packages include = {base}/Include platinclude = {base}/Include scripts = {base}/Scripts data = {base}

L86-93: [nt_user] stdlib = {userbase}/Python{py_version_nodot} platstdlib = {userbase}/Python{py_version_nodot} purelib = {userbase}/Python{py_version_nodot}/site-packages platlib = {userbase}/Python{py_version_nodot}/site-packages include = {userbase}/Python{py_version_nodot}/Include scripts = {userbase}/Scripts data = {userbase}

I am proposing that these change to:

[nt] stdlib = {base}/lib platstdlib = {base}/lib purelib = {base}/lib/site-packages platlib = {base}/lib/site-packages include = {base}/include platinclude = {base}/include scripts = {base}/bin data = {base}

[nt_user] stdlib = {userbase}/python{py_version_short} platstdlib = {userbase}/python{py_version_short} purelib = {userbase}/python{py_version_short}/site-packages platlib = {userbase}/python{py_version_short}/site-packages include = {userbase}/python{py_version_short}/include scripts = {userbase}/bin data = {userbase}

All the other diuectories that Jim talked about would not be affected by this proposal.

Does this make it clearer?

Thanks, Van

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