setattr in class

[Bojan Mihelac]

On Sep 12, 5:35 pm, Wojtek Walczak <gmin... at bzt.bzt> wrote:
> On Fri, 12 Sep 2008 08:08:18 -0700 (PDT), Bojan Mihelac wrote:
> > Hi all - when trying to set some dynamic attributes in class, for
> > example:
>
> > class A:
> >     for lang in ['1', '2']:
> >         exec('title_%s = lang' % lang) #this work but is ugly
> >         # setattr(A, "title_%s" % lang, lang) # this wont work
> > I guess A class not yet exists in line 4. Is it possible to achive
> > adding dynamic attributes without using exec?
>
> Yes, it is:
>
> -------------
> class A:
>    for i in (1, 2):
>       locals()['xxx%d' % (i)] = i
>
> print A.xxx1
> print A.xxx2
> a = A()
> print a.xxx1
> print a.xxx2
> -------------
>
> And the output is:
>
> -----
> 1
> 2
> 1
> 2
> -----
>
> But I definitely don't consider this one as a good programming
> practice.
>
> --
> Regards,
> Wojtek Walczak,http://tosh.pl/gminick/

thnx Wojtek, this works!