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From: Dave Angel <davea@davea.name>
Subject: Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte
Date: Sun, 29 Sep 2013 11:11:23 +0000 (UTC)
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On 29/9/2013 06:24, Νίκος wrote:

    <snip>

>
> except Exception as e: ===> except socket.gaierror as e:
> which cannot handle unicore realted errors and the exact same error 
> appeared with my ip address involved at the error log.
>
> so, the question that arises again and reamins is how come 'host' vars 
> gets a values most of the times and sometimes it just outputs back 
> unicode related erros.
>
> I must tell you that i had this problem also months ago, but since i 
> couldnt able to solve it i left it as it was, but it just started to 
> make things more and more hectic.
>

it would be interesting to see a more complete stack trace.  But I'd
guess that in the process of looking up the ip address at the dns
servers, somebody is producing a non-ascii byte string that isn't
encoded in utf-8.  It might conceivably be in your /etc/hosts file as
well, assuming gethostbyname() looks there when the internet query
fails.



-- 
DaveA