Copy constructors

David Smith drs at labs.agilent.com
Fri Aug 10 16:40:56 CEST 2001


That works.  Thanks muchly.
	David

Alex Martelli wrote:
> 
> "David Smith" <drs at labs.agilent.com> wrote in message
> news:3B72DCBA.C99465BC at labs.agilent.com...
>     ...
> > class I have at hand, __init__ does some real work, which I want to
> > bypass -- I want to clone the results of that work.  I don't want to
>     ...
> > Is there a way for __copy__ to create a bare object of the same class,
> > which it can proceed to populate?
> 
> Piece of cake:
> 
> class Fleep:
>     def __init__(self, x, y, z):
>         print 'lots',x,'of',y,'work',z
>     def __copy__(self):
>         class Temp: pass
>         newbie = Temp()
>         newbie.__class__=self.__class__
>         print "very little work"
> 
> Alex



More information about the Python-list mailing list