The pattern I use is ", ".join ( [ unicode(x) for x in ( thing_a, thing_b,
getattr(obj,"optional_attribute",None ), ...etc... ) where x is not None ] )
On Friday, December 14, 2012 2:49:16 PM UTC-8, mhulse wrote:
>
> Hello,
>
> This is probably a dumb question, but...
>
> What's the best way to handle optional __unicode__() return values?
>
> In this situation, I'm wanting to return the __unicode__ values from
> other models.
>
> I've found myself doing a lot of this:
>
> def __unicode__(self):
> return _(u'%s%s%s') % (self.target, (' | ' if self.page_type else
> ''), (self.page_type if self.page_type else ''))
>
> Which works, but seems clunky.
>
> I've tried:
>
> return _(u'%s') % ' | '.join(filter(None, (self.target, getattr(self,
> 'page_type', None))))
>
> But that gives me:
>
> Caught TypeError while rendering: sequence item 0: expected string, Target
> found
>
> Tips would be appreciated. :)
>
> Thank you!
>
> Cheers,
> M
>
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