If you write an Objective-C framework, the python code to wrap it
using PyObjC is very short. Here is an example I use to expose Tim
Omernick's CocoaSequenceGrabber framework to capture images from the
iSight camera:
<example>
import objc, AppKit, Foundation, os
if 'site-packages.zip' in __file__:
base_path = os.path.join(os.path.dirname(os.getcwd()), 'Frameworks')
else:
base_path = '/Library/Frameworks'
bundle_path = os.path.abspath(os.path.join(base_path, 'CocoaSequenceGrabber.fram
ework'))
objc.loadBundle('CocoaSequenceGrabber', globals(), bundle_path=bundle_path)
del objc, AppKit, Foundation, os, base_path, bundle_path
</example>
I have that saved as PySight/__init__.py so I can import * from
PySight to get all the objects and methods from the framework. It
would be shorter, but I have some path manipulation so that it works
from the command line and from within an application bundle built with
py2app. The bare minimum you need is:
import objc
objc.loadBundle('MyBundle', globals(),
bundle_path='/my/bundle/path/MyBundle.framework')
Writing a bundle in Python that can be imported by an Objective-C
application is similarly easy. I have some blog posts on that topic
if you ever decide to try that direction. The application just needs
to take Objective-C bundles as plugins, it does not have to plan for,
or even know about, Python in the bundle implementation.
HTH
--Dethe
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