Mark E. Fenner wrote:
> Here's my class of the objects being copied:
Here's a couple of things that might help speed up your __init__
method, and hence your copy method:
>
> class Rule(list):
> def __init__(self, lhs=None, rhs=None, nClasses=0, nCases=0):
def __init__(self, lhs=None, rhs=(), nClasses=0, nCases=0):
> self.nClasses = nClasses
> self.nCases = nCases
>
> if lhs is not None:
> self.extend(lhs)
what does the extend method do? If it is small, perhaps inline a copy
of its code here.
>
> if rhs is None:
> self.rhs=tuple()
> else:
> self.rhs=rhs
Replace the above 4 lines by:
self.rhs = rhs
>
> # as I mentioned, Rule.copy is slower than copy.copy
> def copy(self):
> r = Rule(self,
> self.rhs,
> self.nClasses,
> self.nCases)
> return r
>
HTH,
John
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