[issue1668] -E command line parameter intent

[Joseph Armbruster]

New submission from Joseph Armbruster:

url: http://svn.python.org/projects/python/branches/py3k
rev: 59577

The intent of the -E command line parameter is not entirely clear from
it's description.  If it implies that All environment variables will be
ignored then this is not currently the case.  If it implies that a few
select environment variables will be ignored, then this is partially the
case.

See the attached patch for the potentially odd cases.

--
components: Interpreter Core
files: getenvpatch.patch
messages: 58859
nosy: JosephArmbruster
severity: normal
status: open
title: -E command line parameter intent
type: behavior
versions: Python 3.0
Added file: http://bugs.python.org/file9008/getenvpatch.patch

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getenvpatch.patch
Description: Binary data
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[issue1668] -E command line parameter intent

[Guido van Rossum]

Guido van Rossum added the comment:

I believe its original intent was to only ignore variables starting with
PYTHON, but I'm not 100% sure.  Ignoring PATH seems counterintuitive. 
I'm not sure about THREADDEBUG -- I'm thinking that variable should be
renamed PYTHONTHREADDEBUG?

BTW, doesn't this apply to 2.6 as well?

--
keywords: +patch
nosy: +gvanrossum

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[issue1668] -E command line parameter intent

[Georg Brandl]

Georg Brandl added the comment:

This is a documentation issue, it seems. The new command-line document
already says only PYTHON* vars are ignored.

--
components: +Documentation -Interpreter Core
nosy: +georg.brandl
versions: +Python 2.6

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[issue1668] -E command line parameter intent

[Guido van Rossum]

Guido van Rossum added the comment:

To resolve this, how about this patch (getenv.2.diff)?

- change getenv("PYTHONCASEOK") -> Py_GETENV() (inside #ifdef PYOS_OS2)

- rename THREADDEBUG -> PYTHONTHREADDEBUG and use Py_GETENV()

Added file: http://bugs.python.org/file9081/getenv.2.diff

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[issue1668] -E command line parameter intent

[Georg Brandl]

Georg Brandl added the comment:

Committed getenv.2.diff and extended envvar docs in r59827.

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resolution:  -> accepted
status: open -> closed

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