[maemo-developers] python Re: [maemo-developers] Maemo 2.0 final release available

[From: Gustavo Sverzut Barbieri]

On 7/10/06, Murray Cumming wrote:
> > On 7/10/06, Murray Cumming wrote:
> >> Are you talking about something that happens for every class, or just
> >> during library initialization? Either way, I'd love to see the patch, if
> >> you have a URL.
> >
> > PyGTK used to force calls to gtk_$CLASS_type() even for unused class,
> > during initialization.
> >
> > About URL, they still use CVS, so there is not a snapshot about it
> > all... you may base your view on the main commit file (_lazyutils.py):
> >
> > http://cvs.gnome.org/viewcvs/gnome-python/pygtk/gtk/_lazyutils.py?rev=1.1&view=log
>
> Thanks for the pointer.
>
> [snip]
> > But I do think we can remove some symbols using the
> > g_object_{set,get}_property(). If some class provides a property that
> > maps to a function, like:
> >
> > GtkLabel: gtk_label_set_text, gtk_label_get_text
> >
> > we can avoid wrappers for these by using g_object_set and
> > g_object_get. At least in Python these will save enough, because it
> > would be done in Python itself, no "ld" is envolved, thus faster and
> > less stuff on _gtk.so
>
> Yes, this is an advantage of Python's runtime-generated API that we don't
> have in C++ and C. Of course, that causes runtime type problems instead of
> compile-time problems, but if people are already using Python then they
> are already content with that.
>
> You will need to be careful - a small percentage of the get/set_*_()
> methods in GTK+ probably do something more than just get/setting the
> property.

Yes, it would need to be hand-pick.
Anyway, I still need to evaluate how much space and time we save, I'll
try to check it next week.


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Gustavo Sverzut Barbieri
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