[Pythonmac-SIG] Using AHRegisterHelpBook

[Kevin Walzer]

Don McGuire wrote:
> Hi:
> 
> I am attempting to build an application that uses the built-in Apple Help
> system to display my html help files. I'm getting a Mac OS Error -50, which
> corresponds to "Error in user parameter list." Here's what I've done thus
> far:
> 
> 1. Info.plist has the following entries:
>             <key>CFBundleHelpBookFolder</key>
>             <string>help</string>
>             <key>CFBundleHelpBookName</key>
>             <string>MyAppName Help</string>
> 
> My html files are in a directory called "help", and my top-level help doc
> has the Apple metatag "MyAppName Help".
> 
> 2. In the initializing routine of my app, I have the following lines:
> from Carbon import AH
> app = os.path.dirname(os.path.dirname(sys.prefix))
> AH.AHRegisterHelpBook(app) #This line causes Mac OS Error -50
> 
> The application is a wxpython gui and I'm using py2app to build it.
> Everything works like a champ, except for the help system.
> 
> Thank you for your time,
> Don
> 

I used to use this function in my Python apps, but moved away from it 
after it became clear that the MacOS/Carbon bits were being deprecated. 
I believe they have been removed altogether from 3.0.

Searching for AH.AHRegisterHelpBook() on codesearch.google.com yields 
some useful hits. I based my code on some snippets used there (the 
PythonIDE stuff, in particular).

-- 
Kevin Walzer
Code by Kevin
http://www.codebykevin.com