[Distutils] namespace packages broken in ubuntu with zc.buildout 1.5?

[Wichert Akkerman]

Let me try to answer some questions that came up:

- the buildout I used to reproduce this is this one: 
https://github.com/euphorie/Euphorie
- this was using buildout 1.5.2



On 2012-4-12 12:16, Wichert Akkerman wrote:
> I am running into something very odd on an Ubuntu 11.10 system: it looks
> like namespace packages are entirely broken there. Here is a pdb session
> to demonstrate:
>
> (Pdb) import repoze
> (Pdb) repoze
> <module 'repoze' from
> '/home/wichert/lib/buildout/eggs/repoze.formapi-0.4.2-py2.7.egg/repoze/__init__.pyc'>
>
> (Pdb) repoze.__path__
> ['/home/wichert/lib/buildout/eggs/repoze.sphinx.autointerface-0.6.2-py2.7.egg/repoze',
> '/home/wichert/lib/buildout/eggs/repoze.formapi-0.4.2-py2.7.egg/repoze']
>
> So at this point I can import the repoze namespace packages, which is
> defined by both repoze.sphinx.autointerface and repoze.formapi. Now I
> try to import repoze.sphinx.autointerface:
>
> (Pdb) import repoze.sphinx.autointerface
> *** ImportError: No module named autointerface
>
> That is unexpected since we saw the repoze.sphinx.autointerface egg was
> found earlier. So lets look at repoze.sphinx:
>
> (Pdb) repoze.sphinx
> <module 'repoze.sphinx' from
> '/usr/lib/pymodules/python2.7/sphinx/__init__.pyc'>
>
> I did not see that coming at all: how can a system sphinx package that
> is not inside the repoze namespace suddenly appear there? This is
> especially odd since buildout hooked me up with a sphinx package in the
> buildout itself:
>
> (Pdb) import sphinx
> <module 'sphinx' from
> '/home/wichert/lib/buildout/eggs/Sphinx-1.0.1-py2.7.egg/sphinx/__init__.pyc'>
>
>
> I am not sure who is responsible for this behaviour or how to debug
> this. Does anyone have any useful hints?
>
> Wichert.
>


-- 
Wichert Akkerman <wichert at wiggy.net>   It is simple to make things.
http://www.wiggy.net/                  It is hard to make things simple.