[Python-Dev] Proposing PEP 376

[Tarek Ziadé]

On Wed, Apr 7, 2010 at 4:35 PM, P.J. Eby <pje at telecommunity.com> wrote:
> At 04:01 PM 4/7/2010 +0200, Tarek Ziadé wrote:
>>
>> 2010/4/2 P.J. Eby <pje at 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.
>
> Um, sys.prefix, or the prefix set by "setup.py install --prefix" (which of
> course defaults to sys.prefix)?

Yes, I used default values to make the text clearer.

so for the PEP :

- sys.prefix -> the installation prefix provided by --prefix at
installation time
- site-packages -> the installation libdir, provided by --install-lib
at installation time




-- 
Tarek Ziadé | http://ziade.org