2010/4/2 P.J. Eby <p...@telecommunity.com>:
[...]
>
> * Paths under the base installation location are relative to the base
> * Paths not under the base installation location, but under the installation
> prefix, are also stored relative to the base, IF the base location is a
> subpath of the installation prefix
> * All other paths are absolute.
>
> Where "base location" is the effective --install-lib directory, and prefix
> is the effective --prefix. (Which default of course to site-package and
> sys.prefix respectively, but the spec shouldn't be in terms of those
> defaults.)
Just to make sure we agree on this:
we use relative path if the file is in site-packages, or somewhere
under sys.prefix. For the latter this is only if site-packages is
under sys.prefix.
Examples under debian:
docutils/__init__.py -> located in
/usr/local/lib/python2.6/site-packages/
../../../bin/rst2html.py -> located in /usr/local/bin
/etc/whatever -> located in /etc
So, everything under /usr/local (sys.prefix) is relative to
/usr/local/lib/python2.6/site-packages.
Other paths are absolute.
In case the site-packages directory was not under sys.prefix, we would
use an absolute path for files under sys.prefix but not in
site-packages. (like rst2html.py)
Regards
Tarek
--
Tarek Ziadé | http://ziade.org
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