[issue9308] Remove redundant coding cookies from 3.x stdlib

[Alexander Belopolsky]

New submission from Alexander Belopolsky <belopolsky at users.sourceforge.net>:

On Mon, Jul 19, 2010 at 2:45 AM, Guido van Rossum <guido at python.org> wrote:
> Sounds like a good idea to try to remove redundant cookies *and* to
> remove most occasional use of non-ASCII characters outside comments
> (except for unittests specifically trying to test Unicode features).
> Personally I would use \xXX escapes instead of spelling out the
> characters in shlex.py, for example.
>
> Both with or without the coding cookies, many ways of displaying text
> files garble characters outside the ASCII range, so it's better to
> stick to ASCII as much as possible.
>
> --Guido
>
> On Mon, Jul 19, 2010 at 1:21 AM, Alexander Belopolsky
> <alexander.belopolsky at gmail.com> wrote:
>> I was looking at the inspect module and noticed that it's source
>> starts with "# -*- coding: iso-8859-1 -*-".   I have checked and there
>> are no non-ascii characters in the file.   There are several other
>> modules that still use the cookie:
>>
>> Lib/ast.py:# -*- coding: utf-8 -*-
>> Lib/getopt.py:# -*- coding: utf-8 -*-
>> Lib/inspect.py:# -*- coding: iso-8859-1 -*-
>> Lib/pydoc.py:# -*- coding: latin-1 -*-
>> Lib/shlex.py:# -*- coding: iso-8859-1 -*-
>> Lib/encodings/punycode.py:# -*- coding: utf-8 -*-
>> Lib/msilib/__init__.py:# -*- coding: utf-8 -*-
>> Lib/sqlite3/__init__.py:#-*- coding: ISO-8859-1 -*-
>> Lib/sqlite3/dbapi2.py:#-*- coding: ISO-8859-1 -*-
>> Lib/test/bad_coding.py:# -*- coding: uft-8 -*-
>> Lib/test/badsyntax_3131.py:# -*- coding: utf-8 -*-
>>
>> I understand that coding: utf-8 is strictly redundant in 3.x.  There
>> are cases such as Lib/shlex.py where using encoding other than utf-8
>> is justified.  (See
>> http://svn.python.org/view?view=rev&revision=82560).  What are the
>> guidelines for other cases?  Should redundant cookies be removed?
>> Since not all editors respect the  -*- cookie, I think the answer
>> should be "yes" particularly when the cookie is setting encoding other
>> than utf-8.
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>
>
>
> --
> --Guido van Rossum (python.org/~guido)
>

----------
assignee: belopolsky
components: Library (Lib)
messages: 110798
nosy: belopolsky
priority: normal
severity: normal
status: open
title: Remove redundant coding cookies from 3.x stdlib

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9308>
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