Ronald Oussoren <ronaldousso...@mac.com> wrote:
>
> On 3 Feb, 2009, at 17:54, Bill Janssen wrote:
> >
> >> I'm seriously wondering if having "Python Launcher.app" is a good
> >> idea, and if we shouldn't scrap it entirely. If building full app
> >> bundles using py2app is too much of a burden we could look into
> >> providing an easier and more lightweight way to build such bundles.
> >> The fully standalone bundles that py2app creates are very useful, but
> >> I definitely see the need for very thin .app bundles as well.
> >
> > Interesting idea. What's the lightest thing that's an app, anyway?
> >
>
> AFAIK an executable + Info.plist + icon file (plus the right directory
> structure). The executable can be shell-script on Leopard, but a
> simple executable would IMHO be better. One way to structure such an
> executable is to read the name of the actual script to execute from
> the Info.plist (using a custom key) and then use the standard Python
> C-
> API to execute that script.
So you'd have a little custom launcher that would read that key and use
the Python C API -- sort of the way that Java apps use the
JavaApplicationStub. Doesn't actually have to be a C program, you know;
it could be a shell script:
#!/usr/bin/python
import plistlib, os
script =
os.path.normpath(plistlib.readPlist('../Info.plist')['ApplicationPythonScript'])
os.execv(['/usr/bin/python', script])
I didn't test that!
Bill
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