Casey <[EMAIL PROTECTED]> writes:
> Hi,
>
> I have some classes that print variable outputs depending on their
> internal state, like so:
>
> def __str__(self):
> out = []
> if self.opt1: out += ['option 1 is %s' % self.opt1']
> if self.opt2: out += ['option 2 is %s' % self.opt2']
> ....
> return '\n'.join(out)
>
> Is there any way to make this cleaner?
Maybe.
Have a dictionary of options rather than individual attributes;
options not in the dictionary are not set. E.g.
mask = {
'opt1': 'option 1 is %s',
'opt2': 'option 2 is %s',
...
}
def __str__(self):
return '\n'.join(mask[o] % v for o,v in self.options.iteritems())
--
Arnaud
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