Mutable class attributes are shared among all instances, is it normal ?

[Chris Barker]

Chris Barker wrote:
OOPS, sorry, I accidentally left some erronos stuff in my example. It
shuld be just:
> Try this:
> 
> >>> reload(cl) # it needs to be reloaded to get a clean copy of Y
> <module 'cl' from 'cl.pyc'>
> >>>
> >>> print cl.X.val
> None
> >>> x1=cl.X()
> >>> print cl.X.val # note: it hasn't changed.
> None
> 
> >>> print cl.Y.val
> [None]
> >>> y1=cl.Y()
> >>> print cl.Y.val # note it has changed
> [0.91001740255497787]

Sorry about that.

-Chris

-- 
Christopher Barker,
Ph.D.                                                           
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