[Pythonmidi-devel] Pyrex experiences?

[Lennart R. <re...@nu...>]

A big problem popped up yesterday:

It turns out that a Python objects __del__ does not necessarily get 
called when a program exits. I knew this once, but I had forgotten it.

This means the ports does not get closed unless you specifically call 
close on the objects. This is major bug for a Python program, where the 
garbage collection is supposed to make sure you never have to deallocate 
resources. It's also makes my computer crash. Not immediatly mind you, 
but say, 30 minutes later, or so. XP just silently goes *poof* and 
reboots. NOT fun! (It's probably crappy MIDI drivers that cause this).

The solution to this is supposed to be to write the whole python object 
in C, instead of just wrapping the c methods in a python object. C 
objects do get properly deallocated when a program exits, I'm told. Now, 
that means that the C code suddenly gets MUCH more complex (and it 
wasn't exactly trivial before either) so I'm gonna look at doing this in 
Pyrex.

So, anybody have any interesting experiences with Pyrex?