Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte

Date	2013-09-29 06:53 -0400
From	Ned Batchelder <ned@nedbatchelder.com>
Subject	Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte
References	<l28m26$aao$1@dont-email.me> <l28m9v$aao$2@dont-email.me> <mailman.439.1380441619.18130.python-list@python.org> <l28mtv$c50$2@dont-email.me>
Newsgroups	comp.lang.python
Message-ID	<mailman.443.1380452016.18130.python-list@python.org> (permalink)

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On 9/29/13 4:04 AM, Νίκος wrote:
> Στις 29/9/2013 11:00 πμ, ο/η Chris Angelico έγραψε:
>> On Sun, Sep 29, 2013 at 5:53 PM, Νίκος <nikos.gr33k@gmail.com> wrote:
>>> Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in 
>>> position 0:
>>> invalid start byte
>>
>> Something's trying to decode a stream of bytes as UTF-8, and it's not
>> UTF-8. Work out what in your code is bytes and what is strings, and do
>> your own conversions.
>>
>> http://www.joelonsoftware.com/articles/Unicode.html
>>
>> READ IT. Do not write another line of code until you actually
>> understand what he's saying there.
>>
>> ChrisA
>>
> okey i will, but isnt this just weird:
>
> How come all these daysthe followinf line work as expected:
>
> host = socket.gethostbyaddr( ipval ) [0]
>
> and only just today just happened to output:
> UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0:
> invalid start byte erros?
>
> Nothign got added in my script. This is the only line that tried to 
> determine the host.

This is the nature of Unicode pain in Python 2 (Python 3 has a different 
kind!).  This may help you understand what's going on: 
http://nedbatchelder.com/text/unipain.html

--Ned.

Thread

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 10:49 +0300
  Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 10:53 +0300
    Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-09-29 18:00 +1000
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 11:04 +0300
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-09-29 18:07 +1000
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 11:19 +0300
            Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-09-29 18:23 +1000
              Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 11:30 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 11:37 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-29 09:45 +0000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 13:24 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-09-29 11:11 +0000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 14:25 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dave Angel <davea@davea.name> - 2013-09-29 11:46 +0000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 14:51 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris “Kwpolska” Warrick <kwpolska@gmail.com> - 2013-09-29 14:38 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-09-30 00:01 +1000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-09-30 00:19 +1000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 19:06 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Joel Goldstick <joel.goldstick@gmail.com> - 2013-09-29 12:14 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 19:19 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Larry Hudson <orgnut@yahoo.com> - 2013-09-29 20:16 -0700
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-09-30 15:45 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-30 21:03 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-09-30 20:18 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-09-30 19:42 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-30 23:13 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-09-30 21:44 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 00:34 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Joel Goldstick <joel.goldstick@gmail.com> - 2013-09-30 17:44 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 01:08 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Joel Goldstick <joel.goldstick@gmail.com> - 2013-09-30 18:13 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-09-30 23:14 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 01:19 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-09-30 23:28 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 01:30 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-10-01 08:43 +1000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 01:48 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-30 23:50 +0000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-09-30 22:47 +0100
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ned Batchelder <ned@nedbatchelder.com> - 2013-09-30 14:54 -0400
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-09-30 22:51 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-10-01 08:29 +1000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 01:36 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-10-01 08:56 +1000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 02:14 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-10-01 09:27 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-01 11:39 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-10-01 11:10 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-10-02 01:36 +0000
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2013-10-02 09:23 +0200
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-02 11:52 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-10-02 11:49 +0300
                Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Grant Edwards <invalid@invalid.invalid> - 2013-10-01 14:29 +0000
                Mutual respect, tolerance, encouragement (was: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte) Ben Finney <ben+python@benfinney.id.au> - 2013-10-01 08:42 +1000
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ned Batchelder <ned@nedbatchelder.com> - 2013-09-29 06:53 -0400
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-29 14:08 +0000
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Terry Reedy <tjreedy@udel.edu> - 2013-09-29 13:30 -0400
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Ned Batchelder <ned@nedbatchelder.com> - 2013-09-29 15:08 -0400
  Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-09-29 17:53 +1000
    Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Νίκος <nikos.gr33k@gmail.com> - 2013-09-29 10:59 +0300
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-09-29 12:25 -0400
      Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Grant Edwards <invalid@invalid.invalid> - 2013-09-30 13:51 +0000
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-09-30 15:51 +0100
          Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Denis McMahon <denismfmcmahon@gmail.com> - 2013-09-30 22:09 +0000
        Re: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb6 in position 0: invalid start byte Chris Angelico <rosuav@gmail.com> - 2013-10-01 01:06 +1000

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