Re: [FE-discuss] formencode.api.Invalid class lack __unicode…

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Author: Ian Bicking
Date:  
To: Marcin Stępnicki
CC: formencode-discuss
Subject: Re: [FE-discuss] formencode.api.Invalid class lack __unicode__ method
Added in r3638 (I think if you use e.unpack_errors() it shouldn't have
this problem, though)

Marcin Stępnicki wrote:
> I've noticed that error messages which are unicode objects give the
> following error when used in htmlfill:
>
> UnicodeEncodeError: 'ascii' codec can't encode character u'\u0119' in
> position 5: ordinal not in range(128)
>
> In rewritingparser.html_quote there is a fragment which checks if
> given object has __unicode__ attribute:
>
> (...)
> else:
> if hasattr(v, '__unicode__'):
> v = unicode(v)
>
> but objects of 'formencode.api.Invalid' class don't have it, so the following:
> (...)
> else:
> v = str(v)
>
> fails with UnicodeDecodeError.
>
> Adding:
>
> def __unicode__(self):
> val = self.msg
> return val
>
> to formencode.api.Invalid fixes the problem for me.


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