[Pythonmac-SIG] sys.path on Leopard

[Brian Granger]

I think this is currently the best approach because PYTHONPATH gets
lost in sudo commands in Leopard.

On 11/1/07, Jack Jansen <Jack.Jansen at cwi.nl> wrote:
>
> On 1-Nov-2007, at 20:45 , Brian Granger wrote:
> > Running python setup.py install on Leopard causes packages to be
> > installed in the usual:
> >
> > /Library/Python/2.5/site-packages
> >
> > But, Apple put this directory _after_
> >
> > /System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/
> > python
> >
> > in sys.path.  This, even if a user installs a newer version of one of
> > these packages, the builtin  python will always use Apple's older
> > version.
>
>
> Bah. The order is very strange:
> - First most of the Python-supplied and Apple-supplied directories,
> - Then /Library/Python/2.5/site-packages
> - Then PyObjC, which is also Apple-supplied
> - Then $HOME/Library/Python/2.5/site-packages, if it exists.
>
> By all means, report a bug.
>
> There is a workaround that packages can use to fix this, by the way,
> through using Python code inside a .pth file. I used that in the
> distant past to allow packman to fix bugs in system packages.
>
> I put the following line (without indentation) into ~/Library/Python/
> 2.5/site-packages/HackPath.pth
>         import sys ; sys.path.insert(0, '/Users/jack/MyPythonPrependedPath')
> And, indeed, '/Users/jack/MyPythonPrependedPath' ends up as the first
> entry in sys.path.
> --
> Jack Jansen, <Jack.Jansen at cwi.nl>, http://www.cwi.nl/~jack
> If I can't dance I don't want to be part of your revolution -- Emma
> Goldman
>
>
>