RuntimeError "Cannot find uncompiled version of site" in zc/buildout/easy_install.py:1595

[Gregor Müllegger]

Hi,

I'm using buildout to develop most of my django projects. I've previously used
python on a MacBook, however after upgrading to a new MacPro I found myself in
the situation that all my buildout based projects won't run anymore.

I try to do ``python bootstrap.py`` but I get the following error:

    While:
      Bootstrapping.

    An internal error occurred due to a bug in either zc.buildout or in a
    recipe being used:

    Traceback (most recent call last):
      File "/private/var/folders/rc/rcwBLsNNGE4z+sZ7mdhtek+++TI/-Tmp-/tmpWNjZrB/zc.buildout-1.5.2-py2.6.egg/zc/buildout/buildout.py", line 1805, in main
        getattr(buildout, command)(args)
      File "/private/var/folders/rc/rcwBLsNNGE4z+sZ7mdhtek+++TI/-Tmp-/tmpWNjZrB/zc.buildout-1.5.2-py2.6.egg/zc/buildout/buildout.py", line 417, in bootstrap
        exec_sitecustomize=self.exec_sitecustomize,
      File "/private/var/folders/rc/rcwBLsNNGE4z+sZ7mdhtek+++TI/-Tmp-/tmpWNjZrB/zc.buildout-1.5.2-py2.6.egg/zc/buildout/easy_install.py", line 1272, in sitepackage_safe_scripts
        include_site_packages, relative_paths))
      File "/private/var/folders/rc/rcwBLsNNGE4z+sZ7mdhtek+++TI/-Tmp-/tmpWNjZrB/zc.buildout-1.5.2-py2.6.egg/zc/buildout/easy_install.py", line 1672, in _generate_site
        real_site_path = _get_module_file(executable, 'site')
      File "/private/var/folders/rc/rcwBLsNNGE4z+sZ7mdhtek+++TI/-Tmp-/tmpWNjZrB/zc.buildout-1.5.2-py2.6.egg/zc/buildout/easy_install.py", line 1595, in _get_module_file
        raise RuntimeError('Cannot find uncompiled version of %s' % (name,))
    RuntimeError: Cannot find uncompiled version of site

I'm using a clean and fresh install of MacOS 10.6.4, python 2.6.1, the most
recent setuptools (easy_install -U setuptools) and the most recent version of
the ``bootstrap.py`` file. However I know I'm not the only one with this
issue. My co-worker with another Mac is experiencing the same problems.
On Linux (Kubuntu 10.10) everything works like expected.

[prinzdezibel (prinzdezibel)]

This is because the fine folks at Apple aren't bothered to ship the uncompiled version of the standard python libs.

See the files in the library directory:
/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/

This is for my Lion installation. For an older Snow-Leopard python2.6 installation, the uncompiled files are there.

You could install a new (, more linux like) python with macports.

[prinzdezibel (prinzdezibel)]

Interesting: Installing XCode seems to bring the uncompiled files with it. That's the way to go as sooner or later you'll also want the GNU toolchain anyway..