Parameter passing in python
Jacob Hallen
jacob at hq.workspot.com
Thu May 31 18:08:05 EDT 2001
Alex Martelli wrote:
>
> "Laura Creighton" <lac at cd.chalmers.se> wrote in message
> news:mailman.991320527.18316.python-list at python.org...
> > (posted by me, but this is from all of us here .... )
> >
> > ---------------------------------------
> > This is what I have to do in my code when inheriting widgets:
> >
> > import Pmw
> >
> > class MyButtonBox(Pmw.ButtonBox)
> > def __init__(self, parent, **kw):
> > ...
> > apply(Pmw.ButtonBox.__init__, (self, parent), kw)
> >
> > Why am I required to do apply to be able to pass the keyword list?
> > Some model of Pmw.ButtonBox.__init__(self, args) would be
> > more readable.
>
> In Python 2,
> Pmw.ButtonBox.__init__(self, parent, **kw)
> is equivalent to the apply you have written.
>
> Maybe the docs don't mention it because they go back
> to pre-Python-2 times...?
>
> Alex
This does indeed work. Thanks!
However there is no mention at all of this in the Python Reference
Manual. I have checked both the 2.0 and 2.1 versions. It ought to
be in section 5.3.4, as far as I can understand.
Jacob Hallen
AB Strakt
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