[PYTHONMAC-SIG] Forwarded message: extension module

[Jack Jansen]

> 
> Here is what I did:
> * Wrote a tiny module with just one function (source is included at the end.)
>   Source file name: "myfirstmodule.c", shared lib name:
>   "myfirstmodule".

The library name should end in .slb, as you already noted.

> * Copied the CW7 PythonCore project file, removed the sources from that and
>   added my module source file (retained the run-time and shared lib
glue stuff).

This is probably not the best way to do it. There is a skeleton
project file xxmodule.{mu} that is ready for use. One thing to keep in
mind (it recently bit me): if your extension module contains C++ code
anywhere you will have to supply a PEF init function that (at the very
least) calls __sinit() to do C++ static initializers. The MetroWerks
documentation has details.

> * Built the shared lib successfully and copied it to the system extension
>   folder.

It shouldn't go into the extension folder, you should put it somewhere
along sys.path. "PlugIns" is the standard place.

This whole process, by the way, is documented since a few months,
check out <http://www.cwi.nl/~jack/macpython/>. Besides this extension
example it also has some stuff on using toolbox calls and appleevents
from python.
--
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