Re: use str as variable name

[Fredrik Lundh]

Mathieu Prevot wrote:

I have a program that take a word as argument, and I would like to
link this word to a class variable.
>
eg.
class foo():
width = 10
height = 20
>
a=foo()
arg='height'
a.__argname__= new_value
>
rather than :
>
if arg == 'height':
a.height = new_value
elif arg == 'width';
a.width = new_value
>
Can I do this with python ? How ?

assuming you mean "instance variable" ("a" is an instance of the class
"foo"), you can use setattr:

a = foo()
arg = 'height'
setattr(a, arg, new_value)

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