why * is not like unquote (scheme)
Peter Hansen
peter at engcorp.com
Thu Mar 20 08:43:10 EST 2003
Alex Martelli wrote:
>
> Peter Hansen wrote:
>
> > Amir Hadar wrote:
> >>
> >> I'me tring to create a factory function that create a class as follow:
> >>
> >> def CreatePreviewFrame(*addins):
> >> class tmp(cPreviewFrame,*addins):
> >> pass
> >> return tmp
> ,,,
> > Maybe this is a rare case where you'll need to use exec to
> > get the job done right.
>
> No! Module new is what you need:
>
> import new
> def CreatePreviewFrame(*addins):
> return new.classobj( 'tmp', (cPreviewFrame)+addins, {} )
Ah, thank you. I've used only "module" from that module, based on
some recipe, so I've never actually looked in it in...
Time to take a tour, methinks. :-)
-Peter
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