New submission from STINNER Victor <victor.stin...@haypocalc.com>:
Using -b command line option, os.get_exec_path() always produce a warning.
Example:
$ ./python -b
>>> import os: os.get_exec_path({'PATH': ''})
.../Lib/os.py:395: BytesWarning: Comparison between bytes and string
path_listb = env[b'PATH']
['']
You can see such warning on some buildbots. This function should make this
warning quiet because it is expected: it is not possible to check that a dict
contains 'PATH' and b'PATH' keys without emiting a BytesWarning (see issue
#9636).
Attached patch fixes this bug. It imports the warnings module in
get_exec_path() function because os is a core module and it should not import
too much modules. But... I'm not sure that it's the right way to fix this issue.
----------
components: Library (Lib), Unicode
files: get_exec_path_byteswarning.patch
keywords: patch
messages: 119666
nosy: haypo
priority: normal
severity: normal
status: open
title: os.get_exec_path() should not produce any warning
versions: Python 3.2
Added file: http://bugs.python.org/file19378/get_exec_path_byteswarning.patch
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<http://bugs.python.org/issue10210>
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