what is the idiom for copy lots of params into self?
Jean-Paul Calderone
exarkun at divmod.com
Wed Jan 10 18:45:11 EST 2007
On 10 Jan 2007 14:46:54 -0800, Emin <emin.shopper at gmail.com> wrote:
>Dear Experts,
>
>When writing large classes, I sometimes find myself needing to copy a
>lot of parameters from the argument of __init__ into self. Instead of
>having twenty lines that all basically say something like self.x = x, I
>often use __dict__ via something like:
>
>class example:
> def __init__(self,a,b,c,d,e,f,g,h,i,j,k,l,m,n):
> for name in
>['a','b','c','d','e','f','g','h','i','j','k','l','m','n']:
> self.__dict__[name] = locals()[name]
>
>This saves a lot of code and makes it easier to see what is going on,
>but it seems like there should be a better idiom for this task. Any
>suggestions?
I use a helper, like
http://divmod.org/trac/browser/trunk/Epsilon/epsilon/structlike.py#L35
Jean-Paul
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